Carbon dioxide capture process with catalytically-enhanced solvent and phase separation

A system for the regeneration of carbon dioxide from a flue gas comprises an absorption vessel configured to receive a catalytically-enhanced solvent stream and a flue gas stream having CO 2 , the catalytically-enhanced solvent stream and the flue gas stream being contacted in the absorption vessel to provide a catalytically-enhanced CO 2 -rich outlet stream; a crystallizer configured to receive the catalytically-enhanced CO 2 -rich outlet stream from the absorption vessel and produce a two-phase outlet solvent stream having crystals; a separator configured to receive the outlet solvent stream having crystals and separate the outlet solvent stream having crystals into a catalyst solvent stream and a CO 2 -rich non-catalyst solvent stream; and a regenerator vessel configured to receive the CO 2 -rich non-catalyst solvent stream from the separator and produce a CO 2 stream and a regenerator outlet solvent stream, the regenerator outlet solvent stream combined with catalyst for return to the absorption vessel as the catalytically-enhanced solvent stream.

METHOD AND DEVICE FOR THE TREATMENT OF A GAS STREAM, IN PARTICULAR FOR THE TREATMENT OF A NATURAL GAS STREAM

A method for the treatment of a gas stream, wherein before the combustion of the gas stream, hydrogen sulfide is separated out of the gas stream in a first absorber by an absorption medium, the treated gas stream purified of hydrogen sulfide is burnt in a combustion apparatus, the carbon dioxide contained in the exhaust gas of the burnt gas stream after combustion is separated in a second absorber by an absorption medium, and the separated hydrogen sulfide and carbon dioxide are separated in at least one desorber from the absorption medium for the regeneration of the latter. The same absorption medium separates the hydrogen sulfide out of the gas stream and the carbon dioxide out of the exhaust gas. A corresponding device for the treatment of a gas stream has a first absorber and a second absorber flow-connected to one another for the exchange of absorption medium. 115.-. (canceled)16. A method for the treatment of a gas stream , the method comprising:before the combustion of the gas stream, separating out hydrogen sulfide from the gas stream in a first absorber by an absorption medium,burning the treated gas stream purified of hydrogen sulfide in a combustion apparatus,separating carbon dioxide contained in the exhaust gas of the burnt gas stream in a second absorber by the absorption medium, andseparating the separated hydrogen sulfide and the separated carbon dioxide from the absorption medium in at least one desorber for the regeneration of the absorption medium,wherein the same absorption medium is used for separating the hydrogen sulfide out of the gas stream and for separating the carbon dioxide out of the exhaust gas, the absorption medium containing dioxide flowing out of the second absorber via a discharge line of the second absorber directly into a delivery line of the first absorber.17. The method as claimed in claim 16 ,wherein an amine-containing absorption medium is used.18. The method as claimed in claim 16 ,wherein an amino acid salt is used as the ...

GUANIDINE COMPOUNDS FOR REMOVAL OF OXYANIONS FROM AQUEOUS SOLUTIONS AND FOR CARBON DIOXIDE CAPTURE

Methods for removing oxyanions from water according to the following steps: (i) dissolving an oxyanion precipitating compound into the aqueous source to result in precipitation of an oxyanion salt of the oxyanion precipitating compound; and (ii) removing the oxyanion salt from the water containing the oxyanion to result in water substantially reduced in concentration of the oxyanion; wherein the oxyanion precipitating compound has the following composition: 114.-. (canceled)16. The method of claim 15 , wherein said oxyanion is selected from the group consisting of sulfate claim 15 , nitrate claim 15 , chromate claim 15 , selenate claim 15 , phosphate claim 15 , arsenate claim 15 , carbonate claim 15 , bicarbonate claim 15 , and perchlorate.17. The method of claim 15 , wherein said oxyanion is sulfate.18. The method of claim 15 , wherein A is a monocyclic ring.19. The method of claim 15 , wherein said monocyclic ring is a five-membered claim 15 , six-membered claim 15 , or seven-membered ring.20. The method of claim 15 , wherein A is a carbocyclic ring or ring system.21. The method of claim 20 , wherein said carbocyclic ring or ring system is unsaturated.22. The method of claim 21 , wherein A comprises a benzene ring.23. The method of claim 15 , wherein A is a heterocyclic ring or ring system.24. The method of claim 23 , wherein said heterocyclic ring or ring system is unsaturated.25. The method of claim 23 , wherein said heterocyclic ring or ring system contains at least one nitrogen ring atom.26. The method of claim 25 , wherein A comprises a pyridine ring.28. The method of claim 27 , wherein A is a monocyclic ring.29. The method of claim 28 , wherein said monocyclic ring is a five-membered claim 28 , six-membered claim 28 , or seven-membered ring.30. The method of claim 27 , wherein A is a carbocyclic ring or ring system.31. The method of claim 30 , wherein said carbocyclic ring or ring system is unsaturated.32. The method of claim 31 , wherein A comprises a ...

ACID GAS REGENERABLE BATTERY

A method of generating electricity from an amine-based acid gas capture process using an electrolytic cell containing an anode and a cathode and an amine based electrolyte comprising: contacting a metal based redox material with an amine based electrolyte in the presence of an anode to form a metal-ammine complex in solution; adding an absorbed or absorbable acid gas to the metal-ammine complex containing electrolyte to form an acid gas absorbed electrolyte; and contacting the acid gas absorbed electrolyte with a cathode deposit, wherein the acid gas breaks up the metal-ammine complex in the metal-ammine complex containing electrolyte thereby generating a potential difference between the anode and the cathode. 1. A method of generating electricity from an amine-based acid gas capture process using an electrolytic cell containing an anode and a cathode and an amine based electrolyte comprising:contacting a metal based redox material with an amine based electrolyte in the presence of an anode to form a metal-ammine complex in solution;adding an absorbed or absorbable acid gas to the metal-ammine complex containing electrolyte to form an acid gas absorbed electrolyte; andcontacting the acid gas absorbed electrolyte with a cathode deposit,wherein the acid gas breaks up the metal-ammine complex in the metal-ammine complex containing electrolyte thereby generating a potential difference between the anode and the cathode.2. A method according to claim 1 , wherein the acid gas comprises at least one of CO claim 1 , NO claim 1 , SO claim 1 , HS claim 1 , HCl claim 1 , HF claim 1 , or HCN or a combination thereof.3. A method according to claim 1 , wherein the acid gas comprises a flue gas.4. A method according to claim 1 , wherein the acid gas includes COas a major component.5. A method according to claim 1 , wherein the metal based redox material comprises at least one of Cu claim 1 , Ni claim 1 , Zn claim 1 , Co claim 1 , Pt claim 1 , Ag claim 1 , Cr claim 1 , Pb claim 1 , ...

Method and device for treating a contaminated alkaline amino acid saline solution

A method for treating a contaminated alkaline amino acid salt solution is provided. First, carbon dioxide is introduced into the amino acid salt solution, with the result that carbonate or carbonate salts is or are precipitated, these being filtered off. The remaining filtrate is then cooled, amino acid or amino acid salts being crystallized out and likewise being filtered off. The amino acid or amino acid salt is then dissolved again, with the result that a treated amino acid salt solution is recovered.

POROUS MATERIALS, METHODS OF MANUFACTURE THEREOF AND ARTICLES COMPRISING THE SAME

Disclosed herein is a porous material comprising a biopolymer functionalized with a carbon dioxide capturing moiety; where the biopolymer is in the form of a foam or an aerogel having a bulk density of 500 grams per cubic meter to 2500 grams per cubic meter. Disclosed herein too is a method comprising functionalizing a biopolymer with a carbon dioxide capturing moiety; dissolving the biopolymer in an aqueous solution to form a first solution; reducing the temperature of the first solution to below the freezing point of the aqueous solution; displacing the aqueous solution with a first solvent that has a lower surface tension than a surface tension of the aqueous solution; and drying the first solvent to produce a porous biopolymer having a bulk density of 500 grams per cubic meter to 2500 grams per cubic meter. 1. A porous material comprising:a bioactive polymer; where the bioactive polymer is in the form of a foam or an aerogel having a bulk density of 500 grams per cubic meter to 2500 grams per cubic meter.2. The porous material of claim 1 , where the bioactive polymer comprises cellulose claim 1 , reduced crystallinity cellulose claim 1 , cellulose nanofibrils claim 1 , cellulose nanocrystals claim 1 , polysaccharides claim 1 , chitosan claim 1 , oligochitosan claim 1 , gelatin claim 1 , collagen claim 1 , hydroxyalkyl celluloses claim 1 , hydroxypropyl cellulose claim 1 , hydroxymethylcelulose claim 1 , hydroxyethylcellulose; polynucleotides claim 1 , polypeptides claim 1 , proteins claim 1 , or a combination thereof.3. The porous material of claim 1 , where the biopolymer further comprises a nonionic polymer claim 1 , a polyelectrolyte claim 1 , a polyzwitterion claim 1 , a polyampholyte claim 1 , a polybetaine claim 1 , or a combination thereof.4. The porous material of claim 1 , where the biopolymer further comprises a synthetic biodegradable polymer claim 1 , where the synthetic biodegradable polymer is a polylactic-glycolic acid (PLGA) claim 1 , a poly- ...

ANESTHETIC CIRCUIT HAVING A HOLLOW FIBER MEMBRANE

An anesthetic circuit is provided for treating a patient. The anesthetic circuit includes a membrane having a plurality of hollow fibers. Also provided is a fluid separation apparatus connectable to an anesthetic circuit. In a further embodiment, a method is provided for anesthetic treatment of a patient. 1. An anesthetic circuit for treating a patient , comprising:a flow passage;an anesthetic agent inlet in fluid communication with the flow passage for introducing an external anesthetic agent into the flow passage;at least one fluid port in fluid communication with the flow passage for providing at least the external anesthetic agent to the patient, whereinthe at least one fluid port receives an exhaled fluid mixture from the patient, the exhaled fluid mixture comprising an exhaled oxygen, an exhaled carbon dioxide and an exhaled anesthetic agent, the flow passage being in fluid communication with the at least one fluid port for receiving the exhaled fluid mixture from the at least one fluid port; the membrane is pervious to the exhaled carbon dioxide such that the membrane has an exhaled carbon dioxide-to-exhaled anesthetic agent selectivity of greater than 1,', 'the exhaled fluid mixture contacts the membrane wherein the membrane separates a portion of the exhaled carbon dioxide from the exhaled fluid mixture to leave a modified fluid mixture in the flow passage having a lower amount of the exhaled carbon dioxide than the exhaled fluid mixture, and', 'the at least one fluid port is configured to receive the modified fluid mixture from the membrane and provide at least the modified fluid mixture to the patient; and, 'a membrane comprising a plurality of hollow fibers, the membrane being in fluid communication with the flow passage, configured to receive the exhaled fluid mixture from the at least one fluid port, and at least partially impervious to the exhaled anesthetic agent to at least partially retain the exhaled anesthetic agent in the flow passage after the ...

PROCESSING UNIT FOR A WASHING MEDIUM CONTAMINATED WITH SULPHUR OXIDES AND/OR NITROGEN OXIDES

A processing unit for a liquid washing medium contaminated with sulphur oxides and/or nitrogen oxides, has an evaporation stage for concentrating the active components of the washing medium by an evaporator and/or by a heat exchanger, and has a collecting tank connected to the evaporator and/or to the heat exchanger. The collecting tank is configured as a crystallizer for removing sulfur oxides from the washing medium by crystallization of a sulphate, in particular of potassium sulphate. A separating device for carbon dioxide has a corresponding processing unit, and a method for processing a washing medium contaminated with sulphur oxides and/or nitrogen oxides uses a corresponding processing unit. 126.-. (canceled)27. A processing unit for a liquid scrubbing medium contaminated with sulphur oxides and/or nitrogen oxides , comprisingan evaporation stage for concentrating the active component of the scrubbing medium having an evaporator and/or having a heat exchanger, having a collecting tank that is connected to the evaporator and/or to the heat exchanger,wherein the collecting tank is connected via an outlet to a separation unit,wherein the collecting tank is constructed as a crystallizer for removing sulphur oxides from the scrubbing medium by crystallization of a sulphate, andwherein an outlet of the separation unit is connected to an additional crystallizer for recovery of the active component of the scrubbing medium.28. The processing unit as claimed in claim 27 ,wherein the separation unit is constructed as a hydro cyclone.29. The processing unit as claimed in claim 27 ,wherein the collecting tank comprises a classifying appliance for separating the crystallized sulphate particles according to the particle size thereof.30. The processing unit as claimed in claim 29 ,wherein the classifying appliance is constructed in the form of a classifying zone having a first classifying region and a second classifying region within the crystallizer, wherein the first ...

ABSORPTION MEDIUM, PROCESS FOR PRODUCING AN ABSORPTION MEDIUM, AND ALSO PROCESS AND APPARATUS FOR SEPARATING HYDROGEN SULFIDE FROM AN ACIDIC GAS

An absorption medium contains a dissolved amino acid salt and a dissolved metal. The absorption medium is brought into contact with the acidic gas in an absorber. In the absorber, the HS goes over from the gas phase into the liquid phase. In addition, carbon dioxide (CO) is likewise absorbed from the gas as a function of the contact time. The scrubbing solution is conveyed from the absorber into a regeneration tank. In the regeneration tank, the solution is treated with air, with oxygen (O)-enriched air or with pure O. As a result of the introduction of Ointo the solution, the HS present in the solution is reacted at the dissolved metal catalyst. After the regeneration, possible solids are separated off and the regenerated scrubbing solution is recirculated to the absorber. 1. An absorption medium for absorbing hydrogen sulfide from an acidic gas or gas mixture , the absorption medium comprising ,an amino acid salt and a metal salt dissolved therein,wherein a proportion of the amino acid salt is in the range from 5 to 50% by weight and a proportion of the metal salt is less than 3% by weight.2. The absorption medium as claimed in claim 1 ,wherein the proportion of the amino acid salt is in the range from 15 to 35% by weight.3. The absorption medium as claimed in claim 1 ,wherein the proportion of the metal salt is in the range from 0.01 to 0.5% by weight.4. The absorption medium as claimed in claim 1 , wherein the metal salt is the salt of the metal iron claim 1 , manganese or copper.5. The absorption medium as claimed in claim 1 , further comprisinga complexing agent added to the absorption medium in order to improve the solubility of the metal salt.6. The absorption medium as claimed in claim 5 ,wherein the complexing agent makes up a proportion of the absorption medium of less than 1% by weight.7. The absorption medium as claimed in claim 5 ,wherein the complexing agent is EDTA, citrate ions or chloride ions.8. A process for producing the absorption medium as ...

AMINE SCRUBBING SOLUTION FOR ABSORPTION OF CARBON DIOXIDE, WITH OXIDATION INHIBITORS

A method is provided for separating carbon dioxide from a flue gas of an incineration system, wherein bicin and/or EDTA is mixed as an oxidation inhibitor into a scrubbing solution with an amine-containing absorption agent, the flue gas is brought into contact with the scrubbing solution prepared in such a manner for absorption of the carbon dioxide contained therein, and the scrubbing solution is then thermally treated, the carbon dioxide being desorbed thereby. A corresponding scrubbing solution comprising an amine-containing absorption agent and comprising bicin and/or EDTA as an oxidation inhibitor is also provided. 112.-. (canceled)13. A scrubbing solution for absorbing carbon dioxide from a flue gas of a combustion plant , comprisingat least one amine-containing absorbent, the amine comprising an amino acid salt, anda mixture of EDTA and bicine as an oxidation inhibitor.14. The scrubbing solution as claimed in claim 13 ,wherein the fraction of bicine and EDTA in total being at least 1 mmol/L and up to 100 mmol/L.15. The scrubbing solution as claimed in claim 13 ,wherein the scrubbing solution is in the form of an aqueous solution.16. The scrubbing solution as claimed in claim 13 ,further comprising a plurality of amines.17. The scrubbing solution as claimed in claim 13 ,further comprising as amine an alkanolamine and/or a sterically hindered amine to form carbamate.18. The scrubbing solution as claimed in claim 13 ,wherein the amino acid salt comprises a carbon substituent from the group containing hydrogen, an alkyl, a hydroxyalkyl, and an aminoalkyl.19. The scrubbing solution as claimed in claim 13 ,wherein the amino acid salt comprises a nitrogen substituent from the group containing hydrogen, an alkyl, a hydroxyalkyl, and a haloalkyl.20. The scrubbing solution as claimed in claim 13 ,wherein the amino acid salt comprises a salt of a metal.21. A method for separating carbon dioxide from a flue gas of a combustion plant claim 13 , the method comprising:a ...

Process for co2 capture using micro-particles comprising biocatalysts

A process for desorbing CO 2 gas from an ion-rich aqueous mixture comprising bicarbonate and hydrogen ions, includes providing micro-particles in the ion-rich aqueous mixture; and feeding the ion-rich aqueous mixture into a desorption reactor; the micro-particles comprising a support material and biocatalysts supported and stabilized by the support material and being sized and provided in a concentration in the desorption reactor such that the micro-particles are carried with the ion-rich aqueous mixture to promote transformation of the bicarbonate and hydrogen ions into CO 2 gas and water, thereby producing a CO 2 gas stream and an ion-depleted solution.

FORMALDEHYDE ABSORBENT AND METHOD FOR USING THE SAME

The present invention discloses a formaldehyde absorbent and a method for using the same, the chemical composition of the formaldehyde absorbent by weight percentage is, amino acid: 0.1-99.9%; DNA and RNA base 99.9-0.1%. The method comprises the following steps: a. dissolving the formaldehyde absorbent in solvent to form a solution or dissolving the formaldehyde absorbent in solvent and mixing the same onto a solid carrier; b. placing the solution or solid carrier in indoor space that contains formaldehyde; and c. contacting and reacting the formaldehyde-containing air with the solution or the solid carrier and then absorbing the same. The present invention not only achieves not only excellent performance in absorbing hazard gases in the air, but also features low-cost, and further causes no secondary pollution, which therefore creates great social and economical significance in improving quality of human life, safeguarding human health, and protecting environment. 1. A formaldehyde absorbent , wherein the chemical composition of the formaldehyde absorbent by weight percentage is 0.1-99.9% amino acid and 99.9-0.1% DNA and RNA base.2. The formaldehyde absorbent according to claim 1 , wherein the amino acid is selected from the group consisting of alanine claim 1 , valine claim 1 , leucine claim 1 , isoleucine claim 1 , proline claim 1 , phenylalanine claim 1 , tryptophan claim 1 , methionine claim 1 , glycine claim 1 , serine claim 1 , threonine claim 1 , tyrosine claim 1 , cysteine claim 1 , asparagine claim 1 , glutamine claim 1 , arginine claim 1 , histidine claim 1 , aspartic acid claim 1 , glutamic acid and a combination thereof.3. The formaldehyde absorbent according to claim 1 , wherein the DNA and RNA base is selected from the group consisting of adenine claim 1 , guanine claim 1 , cytosine claim 1 , thymine claim 1 , uracil and a combination thereof.4. The formaldehyde absorbent according to claim 1 , wherein the amino acid is a kind of amino acid metal ...

CARBON DIOXIDE ABSORBENT AND METHOD FOR ABSORBING AND DESORBING CARBON DIOXIDE

A carbon dioxide absorbent is disclosed. The absorbent comprises organic amine, amino acid, and water, wherein said organic amine comprises tertiary amine and primary amine and/or secondary amine; and wherein amino acid is excess based on a stoichiometrical ratio of organic amine to amino acid in a reaction. A method for absorbing and desorbing carbon dioxide is further disclosed. In the absorbent system provided by the present disclosure, the conversion between primary (secondary) amine and (secondary) tertiary amine can be realized under the catalytic effect of amino acid with the changing of temperature, and carbon dioxide can be absorbed and desorbed effectively under a relatively low temperature. 1. A carbon dioxide absorbent , comprising organic amine , amino acid , and water , wherein said organic amine comprises tertiary amine and primary amine and/or secondary amine; andwherein amino acid is excess based on a stoichiometrical ratio of organic amine to amino acid in a reaction.2. The absorbent according to claim 1 , wherein said primary amine is one or more selected from a group consisting of monoethanolamine claim 1 , methyl monoethanolamine claim 1 , 2-amino-2-methyl-1-propanol claim 1 , β-hydroxyethylenediamine claim 1 , and 3-(methylamino)propylamine; and/orwherein said secondary amine is one or more selected from a group consisting of diethanolamine, tertiarybutylamineethoxyethanol (TBEE), piperazine and derivatives thereof, and morpholine and derivatives thereof.5. The absorbent according to claim 1 , wherein based on a total weight of the absorbent claim 1 , said absorbent comprises 10 wt % to 45 wt % amino acid claim 1 , 5 wt % to 35 wt % organic amine claim 1 , and water as a balance.6. The absorbent according to claim 1 , wherein a molar ratio of organic amine to amino acid is 1:(1-3).7. The absorbent according to claim 6 , wherein a molar ratio of organic amine to amino acid is 1:(1.1-2.4).8. The absorbent according to claim 7 , wherein a molar ...

COMPOSITION AND APPARATUS FOR PURIFYING NITROGEN-OXIDE-CONTAINING GASES

A composition and a device for purification of nitrogen-oxide-containing gas is provided. It can purify harmful nitrogen-oxide-containing gases, such as nitric oxide or nitrogen dioxide. The composition includes an alkaline substance and at least one organic acid, the organic acids having an enediol group, enediamine group, or amine group of cyclopentane compounds, cyclohexane compounds, cycloheptane compounds, or phenanthrene compounds. 2. The composition for purification of nitrogen-oxide-containing gases as claimed in claim 1 , wherein the alkaline substance has a concentration of 0.01-3.0M.3. The composition for purification of nitrogen-oxide-containing gases as claimed in claim 1 , wherein the organic acid has a concentration of 0.01-3.0M.4. The composition for purification of nitrogen-oxide-containing gases as claimed in claim 1 , wherein the alkaline substance comprises sodium hydroxide claim 1 , potassium hydroxide claim 1 , calcium hydroxide claim 1 , or a combination thereof.5. The composition for purification of nitrogen-oxide-containing gases as claimed in claim 1 , wherein the organic acid has an ortho-diaminobenzoic group.6. The composition for purification of nitrogen-oxide-containing gases as claimed in claim 5 , wherein the organic acid is 3 claim 5 ,4-diaminobenzoic acid.7. The composition for purification of nitrogen-oxide-containing gases as claimed in claim 1 , wherein the organic acid is ascorbic acid claim 1 , gallic acid claim 1 , ketonic acid claim 1 , 1 claim 1 ,2-dihydroxy-3-one cyclopentene claim 1 , or hydroxymalonaldehyde.8. The composition for purification of nitrogen-oxide-containing gases as claimed in claim 1 , wherein the organic acid is uric acid claim 1 , or 5-aminouracil.9. The composition for purification of nitrogen-oxide-containing gases as claimed in claim 1 , wherein the composition has a pH of 5-14.10. The composition for purification of nitrogen-oxide-containing gases as claimed in claim 1 , wherein the composition has an ...

ABSORBENT SYSTEM AND METHOD FOR CAPTURING CO2 FROM A GAS STREAM

The present invention relates to an absorbent, an absorbent system and a process for removing acidic gas such as COfrom exhaust gases from fossil fuel fired power stations, from natural gas streams, from blast furnace oven off-gases in iron/steel plants, from cement plant exhaust gas and from reformer gases containing COin mixtures with HS and COS. The liquid absorbent, a mixture of amine and amino acid salt is contacted with a COcontaining gas in an absorber and COin the gas stream is absorbed into the liquid. The absorbed COforms more than one type of solid precipitate in the liquid at different absorption stages. In a first absorption stage solid precipitate of amine bicarbonate is formed and is withdrawn as slurry from the bottom of a first absorber section. In a second absorption stage solid precipitate of alkali metal bicarbonate is formed and withdrawn as slurry at the bottom of a second absorber section. The slurry withdrawn from the first absorption section is heated to dissolve the precipitate with COrelease in an amine flash regeneration tank. The slurry from the second precipitation stage is withdrawn from the bottom of the second absorber section and sent to a regenerator for desorption with COrelease. The lean amine and amino acid salt mixture from the flash regenerator and desorber are mixed and returned to the top of the absorber. This absorbent system improves carbon dioxide removal efficiency due to its higher COremoval ability per cycle when compared with conventional amine, absorbent from organic acid neutralized with inorganic base and carbonate based absorbent system. It exhibits less solvent vaporization loss because part of the absorbent is in salt form. 120-. (canceled)21. An absorbent for capturing COfrom an exhaust gas comprising an aqueous absorbing mixture of at least an amine and a fast reacting amino acid salt ,wherein the amine is selected from high bicarbonate forming amines,wherein the aqueous absorbent mixture comprises from 1 to 4 ...

DEVICE AND METHOD FOR SEPARATING CARBON DIOXIDE FROM A GAS FLOW

A device for separating carbon dioxide from a gas flow, in particular from a flue gas flow, having an absorption unit for separating carbon dioxide from the gas flow using a scrubbing medium, a desorption unit which is fluidically connected to the absorption unit for releasing the absorbed carbon dioxide from the scrubbing medium, and a compressor unit which is connected fluidically downstream of the desorption unit for compressing the released carbon dioxide, the compressor unit being connected fluidically upstream of a cleaning device for the carbon dioxide. A method separates carbon dioxide from a gas flow, in particular from a flue gas flow. 116.-. (canceled)17. An apparatus for removing carbon dioxide from a gas stream , comprising:an absorption unit for separating carbon dioxide from the gas stream by a scrubbing medium;a desorption unit connected fluidically to the absorption unit and adapted for liberating the absorbed carbon dioxide from the scrubbing medium;a compressor unit located fluidically downstream of the desorption unit and adapted for compressing the liberated carbon dioxide; anda purification apparatus for the carbon dioxide, for removing oxygen present in the liberated carbon dioxide, which is located fluidically upstream of the compressor unit.18. The removal apparatus of claim 17 ,wherein the purification apparatus is designed for catalytic reduction of the oxygen present in the carbon dioxide.19. The removal apparatus of claim 17 ,wherein a discharge line of the desorption unit and a feed line for a hydrogen-containing gas are connected to a feed line of the purification apparatus.20. The removal apparatus of claim 18 ,wherein the purification apparatus comprises a reactor having a catalytically active material.21. The removal apparatus of claim 20 ,wherein the purification apparatus comprises a cooler fluidically between the reactor and the compressor unit.22. The removal apparatus of claim 20 ,wherein the purification apparatus comprises a ...

METHOD AND DEVICE FOR SEPARATING CARBON DIOXIDE FROM A GAS STREAM AND FOR REMOVING DEGRADATION PRODUCTS IN THE WASHING MEDIUM BY PHOTOLYTIC DECOMPOSITION

A method for separating carbon dioxide from a gas stream, in particular from a flue gas stream, wherein, a gas stream is brought into contact with a washing medium in an absorber of a separation device and the carbon dioxide contained in the gas stream is separated; the charged washing medium is supplied to a desorber of the separation device to release the carbon dioxide; a vapor stream is removed from the desorber and is supplied to a cooling unit to form a condensate; degradation products, in particular nitrosamines, contained in at least a partial stream of the condensate are photolytically decomposed to decomposition products; at least the decomposition products, in particular nitrites and amines, are removed; and at least a partial stream of the condensate is returned to the desorber. A corresponding separation device separates carbon dioxide from a gas stream. 136.-. (canceled)37. A method for separating carbon dioxide from a gas stream or from a flue gas stream , the method comprising:bringing into contact a gas stream in an absorber of a separation device with a washing medium and separating the carbon dioxide contained in the gas stream, wherein an amino acid salt solution is used as a washing medium,supplying the charged washing medium, in order to release the carbon dioxide to a desorber of the separation device,removing a vapor stream from the desorber and supplying the vapor stream to a cooling unit to form a condensate,photolytically decomposing degradation products contained in at least a partial stream of the condensate to decomposition products,removing at least the decomposition products, andreturning at least a partial stream of the condensate to the desorber.38. The method of claim 37 , wherein the degradation products are photolytically decomposed by UV radiation.39. The method of claim 37 , wherein at least a partial stream of the condensate is removed claim 37 , and wherein the degradation products contained in the removed partial stream are ...

APPARATUS AND METHOD FOR CARBON DIOXIDE CAPTURE

According to one embodiment of the present invention, an apparatus for carbon dioxide capture includes an absorption tower in which an absorbent absorbs carbon dioxide contained in exhaust gas to thereby form a saturated absorbent; a stripping tower in which the carbon dioxide is stripped from the saturated absorbent transferred from the absorption tower and the absorbent is regenerated; a first heat exchanger configured to preheat the saturated absorbent while the saturated absorbent is being transferred from the absorption tower to the stripping tower; and a second heat exchanger configured to secondarily preheat the primarily preheated saturated absorbent. 1. An apparatus for carbon dioxide capture , comprising:an absorption tower in which an absorbent absorbs carbon dioxide contained in exhaust gas to thereby form a saturated absorbent;a stripping tower in which the carbon dioxide is stripped from the saturated absorbent transferred from the absorption tower and the absorbent is regenerated;a first heat exchanger configured to preheat the saturated absorbent while the saturated absorbent is being transferred from the absorption tower to the stripping tower; anda second heat exchanger configured to secondarily preheat the primarily preheated saturated absorbent.2. The apparatus of claim 1 , further comprising a reboiler connected to the stripping tower and configured to supply the stripping tower with thermal energy required for regenerating the absorbent.3. The apparatus of claim 2 , further comprising a first condenser and a reflux drum claim 2 , both of which are configured to separate a mixture gas containing the carbon dioxide stripped in the stripping tower into condensate and the carbon dioxide.4. The apparatus of claim 3 , further comprising a second condenser configured to cool the absorbent regenerated in the stripping tower before the absorbent is fed to the absorption tower.5. The apparatus of claim 1 , wherein the absorbent includes at least one of ...

AMINE-CONTAINING SCRUBBING SOLUTION WITH OZONE AND/OR HYDROGEN PEROXIDE FOR ABSORBING CARBON DIOXIDE

A method for depositing carbon dioxide from a flue gas (RG) of a combustion system is provided. A scrubbing solution (A) with an amine-containing absorption agent is mixed together with ozone and/or hydrogen peroxide as an oxidizing agent for nitrite. The flue gas (RG) is brought into contact with the scrubbing solution (A) prepared in this manner, whereby carbon dioxide contained in the flue gas is absorbed, and the scrubbing solution (A) is then thermally treated, whereby the carbon dioxide is desorbed. A corresponding scrubbing solution (A) with an amine-containing absorption agent and with ozone and/or hydrogen peroxide as an oxidizing agent for nitrite is also provided. 112.-. (canceled)13. A scrubbing solution for absorbing carbon dioxide from a flue gas of a combustion system , comprising:at least one amine-containing absorption agent, and ozone and/or hydrogen peroxide, for the oxidation of nitrites to nitrates.14. The scrubbing solution according to claim 13 , further comprising a catalyst for the oxidation of the nitrites.15. The scrubbing solution according to claim 13 , wherein the scrubbing solution comprises an aqueous solution.16. The scrubbing solution according to claim 13 , further comprising a plurality of amines.17. The scrubbing solution according to claim 13 , further comprisingan alkanolamine and/or an amine which is sterically hindered in carbamate formation is as an amine.18. The scrubbing solution according to claim 13 , further comprising an amino acid salt as an amine.19. The scrubbing solution according to claim 18 ,wherein the amino acid salt has a carbon substituent selected from the group comprising hydrogen, an alkyl, a hydroxyalkyl and an aminoalkyl.20. The scrubbing solution according to claim 18 ,wherein the amino acid salt has a nitrogen substituent selected from the group comprising hydrogen, an alkyl, a hydroxyalkyl and a haloalkyl.21. The scrubbing solution according to claim 18 ,wherein the amino acid salt is a salt of a ...

ACIDIC GAS ABSORBING AGENT, METHOD FOR REMOVING ACIDIC GAS AND APPARATUS FOR REMOVING ACIDIC GAS

There is provided an acidic gas absorbing agent that is large in absorption amount and high in absorption rate of an acidic gas per unit volume and can prevent the diffusion of ingredients of the absorbing agent. The acidic gas absorbing agent includes an amino acid salt of formula 1 or formula 2 and an amine compound of formula 3. 2. The acidic gas absorbing agent according to claim 1 , wherein claim 1 , in the amino acid salt represented by general formula (1) claim 1 , Rrepresents an alkylene chain having 3 carbon atoms.3. The acidic gas absorbing agent according to claim 1 , wherein claim 1 , in the amine compound represented by general formula (3) claim 1 , Rrepresents a cycloalkyl group having 5 or 6 carbon atoms.4. The acidic gas absorbing agent according to claim 1 , wherein claim 1 , in the amine compound represented by general formula (3) claim 1 , Rrepresents a 2-hydroxyethyl group .5. The acidic gas absorbing agent according to claim 1 , wherein the content of the amino acid salt represented by general formula (1) or (2) and the content of the amine compound represented by general formula (3) are 0.1 to 20% by mass and 10 to 60% by mass claim 1 , respectively.6. A method for removing an acidic gas claim 1 , the method comprising bringing a gas containing an acidic gas into contact with an acidic gas absorbing agent according to to remove the acidic gas from the gas containing the acidic gas.7. An acidic gas removing apparatus comprising:an absorber that brings a gas containing an acidic gas into contact with an acidic gas absorbing agent to absorb the acidic gas in the acidic gas absorbing agent, thereby removing the acidic gas from the gas containing the acidic gas; anda regenerator that desorbs the acidic gas from the acidic gas absorbing agent with the acidic gas absorbed therein to regenerate the acidic gas absorbing agent,the acidic gas absorbing agent regenerated in the regenerator being reutilized in the absorber, wherein{'claim-ref': {'@idref': ' ...

Washing solution for the absorption of carbon dioxide with reduced formation of nitrosamines

A washing solution for the absorption of carbon dioxide is provided. A method for separating carbon dioxide out of a flue gas of an incineration plant is also provided, wherein at least one alkali metal oxide is added as an oxidation agent for nitrites to a washing solution having an amine-containing absorption agent, the flue gas is brought into contact with the washing solution prepared in this manner and the contained carbon dioxide is absorbed, and wherein the washing solution is then heat-treated and the carbon dioxide is desorbed. A corresponding washing solution having an amine-containing absorption agent and having at least one alkali metal oxide as an oxidation agent for nitrites is also provided.

COMBINED SYSTEM BASED ON MIXTURES OF IONIC LIQUIDS AND AMINO ACIDS TO ABSORB CARBON DIOXIDE

The present invention describes a combined liquid absorbent system to capture gaseous CO. The said combination is given by the mixture of an IL and an amino acid aqueous solution. This mixture has an improved COabsorption performance with respect to the separate components that are part of it. These components can be regenerated and reused in several absorption cycles without losing absorption capacity. 1. A liquid system , comprising:a mixture of ionized liquids, wherein an ionized liquid (IL) of the mixture of ionized liquids comprises a heterocyclic cation and an anion including a deprotonated amino acid, the heterocyclic cation being of a tetramethylammonium type and the deprotonated amino acid being of a lysinate type or a glycinate type; andamino acids to absorb carbon dioxide, the amino acids comprise an amino acid aqueous solution (AA) in a ratio IL:AA de 5˜90%:90˜5%. AA from about 5:90% to about 90:5%, the AA being of an alanine type, a lysine type or a glycine type.2. The liquid system in accordance with claim 1 , further comprising a solvent that comprises water.3. The liquid system in accordance with claim 1 , wherein the heterocyclic cation comprises one of imidazolium claim 1 , pirazolio claim 1 , piridinio o pirrolidinio. pyrazolium claim 1 , pyridinium or pyrrolidinium.4. The liquid system in accordance with claim 1 , wherein the IL comprises an acyclic cation of the ammonium type claim 1 , phosphonium type claim 1 , or sulfonium type.5. The liquid system in accordance with claim 1 , wherein the IL absorbs carbon dioxide at a pressure between about 0.5 atmospheres and 20 atmospheres and a temperature between about 20° C. and 100° C.6. The liquid system in accordance with claim 1 , wherein a concentration of products in the solvent range from about 1% to 50%. The present invention is related to the field of absorption of carbon dioxide (CO) in gas phase using liquid absorbent systems. Due to the nature of the components of the combined system of ...

SCRUBBING SOLUTION FOR ABSORPTION OF CARBON DIOXIDE AND METHOD FOR ACCELERATING THE ABSORPTION BY GERMANIUM DIOXIDE

A scrubbing solution is provided having an absorbent for carbon dioxide based on amines, or ethanolamines, or amino acid salts, or potash, or a combination thereof, and an additive activating the absorption rate, wherein the activating additive is a germanium dioxide. A corresponding method for accelerating the absorption of carbon dioxide is also provided, wherein a carbon dioxide-containing gas is contacted with such a scrubbing solution, wherein the carbon dioxide is physically dissolved in the scrubbing solution and is chemically absorbed with the participation of the absorbent, and wherein the germanium dioxide acts catalytically for at least one reaction step of the chemical absorption of the carbon dioxide. 110-. (canceled)11. A scrubbing solution comprising:an absorbent for carbon dioxide on the basis of amino acid salts, andan absorption rate activator additive,wherein the activator additive is a germanium dioxide.12. The scrubbing solution as claimed in claim 11 ,wherein the proportion of germanium dioxide is between 0.01 and 10 weight percent.13. The scrubbing solution as claimed in claim 11 ,wherein the proportion of germanium dioxide is between 0.05 and 2 weight percent.14. The scrubbing solution as claimed in claim 11 ,wherein the absorbent comprises sterically hindered, secondary or tertiary amines and/or amino acid salts.15. The scrubbing solution as claimed in claim 11 ,wherein the scrubbing solution is in the form of an aqueous solution.16. A method for accelerating the absorption of carbon dioxide claim 11 , comprising:contacting a gas comprising carbon dioxide with a scrubbing solution comprising an absorbent based on amines, or ethanolamines, or amino acid salts, or potash, or a combination, and also germanium dioxide, with absorption of carbon dioxide,wherein the carbon dioxide is physically dissolved in the scrubbing solution and chemically absorbed by the absorbent, andwherein the germanium dioxide is catalytically active for at least one ...

METHOD FOR SEPARATING CARBON DIOXIDE FROM A GAS FLOW, IN PARTICULAR FROM A FLUE GAS FLOW, AND SEPARATING DEVICE FOR SEPARATING CARBON DIOXIDE FROM A GAS FLOW, IN PARTICULAR FROM A FLUE GAS FLOW

A method for separating carbon dioxide from a gas flow, in particular from a flue gas flow, where a gas flow is brought in contact with a scrubbing medium in an absorber of a separating device and carbon dioxide contained in the gas flow is separated, the loaded scrubbing medium is fed to a desorber of the separating device in order to release the carbon dioxide, a vapor flow is drawn from the desorber and is fed to a cooling device in order to form condensate, and the condensate formed in the cooling device is at least partially fed to a purifying device, in which degradation products contained in the condensate are removed by reverse osmosis and/or by an ion exchanger. A separating device is adapted for separating carbon dioxide from a gas flow. 118.-. (canceled)19. A method for separating off carbon dioxide from a gas stream , the method comprising:bringing a gas stream into contact with a scrubbing medium in an absorber of a separating device, with carbon dioxide present in the gas stream being separated off,feeding the loaded scrubbing medium to a desorber of the separating device to liberate the carbon dioxide,withdrawing a vapor stream from the desorber and feeding the vapor stream to a cooling device for formation of condensate,feeding the condensate formed in the cooling device, at least in part, to a purification device, andremoving degradation products present in the condensate by reverse osmosis.20. The method as claimed in claim 19 ,wherein degradation products present in the condensate are removed by an ion exchanger.21. The method as claimed in claim 19 ,wherein the vapor stream is withdrawn at the top of the desorber.22. The method as claimed in claim 19 , further comprising:recirculating the condensate that was purified in the purification device by removal of degradation products to the desorber.23. The method as claimed in claim 19 , further comprising:feeding the degradation products separated off in the purification device to a utilization ...

PROCESSES AND METHODS FOR LOW ENERGY CARBON DIOXIDE CAPTURE

The present invention generally relates to processes and methods for the capture of carbon dioxide from gases that are produced by various industrial processes including the capture of COfrom flue gases after the combustion of carbon-based fuels. 1. A process for removing COfrom a CO-containing gas , the process comprising:{'sub': 2', '2, 'contacting a liquid medium with a CO-containing gas in an absorption zone in the presence of a biocatalyst that promotes the absorption of COfrom the gas phase into the liquid medium, thereby producing a rich liquid medium; and'}{'sub': '2', 'introducing the rich liquid medium into a stripping zone operating under reduced pressure and comprising a biocatalyst that promotes the desorption of COfrom the liquid medium into the gas phase, thereby producing a lean liquid medium;'}wherein the temperature of the rich liquid medium exiting the absorption zone is within about 20° C. of the temperature of the lean liquid medium exiting the stripping zone.2. The process of wherein the biocatalyst comprises an enzyme.3. The process of wherein the biocatalyst comprises a carbonic anhydrase.4. A process for removing COfrom a CO-containing gas claim 1 , the process comprising:{'sub': 2', '2, 'contacting a liquid medium with a CO-containing gas in an absorption zone in the presence of a biocatalyst comprising a carbonic anhydrase, thereby catalyzing hydration of the COand forming a rich liquid medium comprising a protonated base and bicarbonate ions; and'}{'sub': '2', 'contacting the rich liquid medium under reduced pressure with a biocatalyst comprising a carbonic anhydrase in a stripping zone, thereby catalyzing conversion of the bicarbonate ions into concentrated CO, water, and regenerated base to form a lean liquid medium;'}wherein the temperature of the rich liquid medium exiting the absorption zone is within about 20° C. of the temperature of the lean liquid medium exiting the stripping zone.5. The process of wherein the temperature of the ...

ABSORBENT FOR SELECTIVE REMOVAL OF HYDROGEN SULFIDE FROM A FLUID STREAM

An absorbent for selective removal of hydrogen sulfide from a fluid stream comprises an aqueous solution of a) a tertiary amine, b) a sterically hindered secondary amine of the general formula (I) 113-. (canceled)15: The process according to claim 14 , wherein the fluid stream comprises a hydrocarbon.16: The process according to claim 14 , wherein there is a partial hydrogen sulfide pressure of at least 0.1 bar and a partial carbon dioxide pressure of at least 1.0 bar in the fluid stream.17: The process according to claim 14 , wherein the laden absorbent is regenerated bya) heating,b) decompression,c) stripping with an inert fluidor a combination of two or all of these measures.19: The absorbent according to claim 18 , wherein the total concentration of a) and b) in the aqueous solution is 10% to 60% by weight.20: The absorbent according to claim 18 , wherein the tertiary amine a) is a tertiary alkanolamine.21: The absorbent according to claim 20 , wherein the tertiary amine a) is methyldiethanolamine.22: The absorbent according to claim 18 , wherein the sterically hindered secondary amine b) is 2-(2-tert-butylaminoethoxy)ethanol.23: The absorbent according to claim 18 , wherein the acid c) is at least one member selected from inorganic acids and organic acids.24: The absorbent according to claim 23 , wherein the organic acid is at least one member selected from phosphonic acids claim 23 , sulfonic acids claim 23 , carboxylic acids claim 23 , tertiary aminocarboxylic acids claim 23 , N-sec-alkylaminocarboxylic acids and N-tert-alkylaminocarboxylic acids.25: The absorbent according to claim 23 , wherein the inorganic acid is present and is at least one selected from phosphoric acid and sulfuric acid. The present invention relates to an absorbent for removing acidic gases from fluid streams, especially for selective removal of hydrogen sulfide, and to a process for removing acidic gases from a fluid stream, especially for selective removal of hydrogen sulfide over ...

Method for Removing SOx from Gas with Compound Alcohol-Amine Solution

A method for removing SO x from a gas by using a compound alcohol-amine solution is provided. The compound alcohol-amine solution is made by mixing ethylene glycol and/or polyethylene glycol with hydroxyl and/or carboxyl organic compound having basic group containing nitrogen. The compound alcohol-amine solution is contacted with the gas containing SO x to absorb the SO x in the gas, wherein x=2 and/or 3. The compound alcohol-amine solution with absorbed SO x is regenerated by one or more of heating method, vacuum method, gas stripping method, ultrasonic method, microwave method, and radiation method to release by-products of sulfur dioxide and sulfur trioxide, and the regenerated compound alcohol-amine solution is recycled for use. This method can be used for removing SO x from flue gas, burning gas, coke-oven gas, synthesis waste gas from dyestuff plants, sewage gas from chemical fiber plants, and other industrial raw material gases or waste gases containing SO x .

Process for desorbing co2 from ion-rich mixture with micro-particles comprising biocatalysts

A process for desorbing CO 2 gas from an ion-rich aqueous mixture comprising bicarbonate and hydrogen ions, includes providing micro-particles in the ion-rich aqueous mixture; and feeding the ion-rich aqueous mixture into a desorption reactor; the micro-particles comprising a support material and biocatalysts supported and stabilized by the support material and being sized and provided in a concentration in the desorption reactor such that the micro-particles are carried with the ion-rich aqueous mixture to promote transformation of the bicarbonate and hydrogen ions into CO 2 gas and water, thereby producing a CO 2 gas stream and an ion-depleted solution.

TECHNIQUES FOR CO2 CAPTURE USING SULFURIHYDROGENIBIUM SP. CARBONIC ANHYDRASE

sp. carbonic anhydrase (SspCA) or mutants thereof catalyze a hydration reaction of COinto bicarbonate and hydrogen ions or a desorption reaction to produce a COgas. sp. carbonic anhydrase (SspCA) having improved thermostability in the presence of carbonate ions as compared to in the absence of carbonate ions are useful in the capture of COfrom a CO-containing gas. 1. A method for capturing COfrom a CO-containing gas , the method comprising:{'sub': 2', '2, 'contacting the CO-containing gas with an aqueous absorption solution to dissolve the COinto the aqueous absorption solution, the aqueous absorption solution comprising a carbonate compound as an absorption compound;'}{'i': 'Sulfurihydrogenibium', 'sub': '2', 'providing a recombinant sp. carbonic anhydrase (SspCA) having improved thermostability in the presence of carbonate ions as compared to in the absence of carbonate ions, to catalyze the hydration reaction of the dissolved COinto bicarbonate and hydrogen ions; and'}providing operating conditions such that the SspCA displays said improved thermostability.2. The method of claim 1 , wherein said operating conditions comprise exposing the SspCA to temperatures between 70° C. and 95° C. at some point during said method.3. The method of claim 1 , wherein said contacting is performed at a temperature between 10° C. and 90° C.; and/or the pH of the absorption solution is between 8 and 11.4. The method of claim 1 , wherein the concentration of the absorption compound in the absorption solution is between 0.1M and 5M.5. The method of claim 1 , wherein the absorption compound comprises sodium carbonate claim 1 , potassium carbonate claim 1 , or another carbonate salt.6. The method of claim 1 , wherein at least a portion of the SspCA provided is dissolved in the absorption solution at a concentration of 0.1 to 50 g/L.7. The method of claim 1 , wherein at least a portion of the SspCA provided is immobilized claim 1 , entrapped claim 1 , or otherwise attached claim 1 , to ...

Intensification of biocatalytic gas absorption

Intensification techniques are described for enhancing biocatalytic CO2 absorption operations, and may include the use of a rotating packed bed, a rotating disc reactor, a zig-zag reactor or other reactors that utilize process intensification. Carbonic anhydrase can be deployed in the high intensity reactor free in solution, immobilized with respect to particles that flow with the liquid, and/or immobilized to internals, such as packing, that are fixed within the high intensity reactor.

Amino Acids React with Carbon Dioxide (CO2) and Form Nanofibers and Nanoflowers

A method for capturing COcomprising dissolving at least one pure amino acid (AA) in water without the use of a catalyst for establishing protonation of an amino group of the amino acid, adding at least one base solution to the amino acid and water solution to deprotonate the protonated amino group of the amino acid and forming an amino acid-XOH—HO wherein X is sodium or potassium, and subjecting COto the amino acid-XOH—HO to form new nanomaterials is provided. A regenerable nanofiber is disclosed comprising a NaHCOnanofiber, a KHCOnanofiber, or an amino acid nanofiber made from subjecting a COgas to an amino acid aqueous solvent. Preferably, the amino acid aqueous solvent is one or more of a Gly-NaOH—HO, an Ala-NaOH—HO, a Phe-NaOH—HO, a Gly-KOH—HO, an Ala-KOH—HO, and a Phe-KOH—HO. 1. A method for capturing carbon dioxide comprising dissolving an amino acid in water , wherein said amino acid has an amino group located on one end of said amino acid and a carboxyl group located on another end of said amino acid , for protonating said amino group of said amino acid and forming a protonated amino acid , adding a base solution to said protonated amino acid for deprotonating said protonated amino group of said amino acid for forming an amino acid-XOH—HO solvent , and subjecting a gas containing carbon dioxide to said amino acid-XOH—HO solvent to form a carbamate , wherein X is sodium or potassium.2. The method of including wherein said base solution is a sodium hydroxide solution or a potassium hydroxide solution.3. The method of including subjecting said carbamate to undergo hydrolysis to form NaHCOand the absorption of carbon dioxide without the use of a catalyst.4. The method of including wherein said NaHCOis a sodium bicarbonate nanoflower or nanofiber.5. The method of including subjecting said carbamate to undergo hydrolysis to form potassium bicarbonate and the absorption of carbon dioxide without the use of a catalyst.6. The method of including wherein said ...

METHOD AND DEVICE FOR TREATMENT OF AN AMINO ACID SALT SOLUTION THAT IS CONTAMINATED WITH CARBON

A device and a method are for treatment of an amino acid salt solution that is contaminated with carbon dioxide and is an absorbent for carbon dioxide from a flue gas of a combustion, and includes a reaction process, a following filtration process and a following dissolution process. In the reaction process, carbon dioxide is introduced into the amino acid salt solution, and the amino acid salt solution is cooled. In this case crystalline carbonate and crystalline amino acid precipitate out. In the filtration process, the crystalline carbonate and the crystalline amino acid are filtered off. In the dissolution process the crystalline carbonate and the crystalline amino acid are dissolved in a solvent and a treated amino acid salt solution is thereby recovered. 1. A method for treatment of an amino acid salt solution that is contaminated with carbon dioxide and is an absorbent for carbon dioxide from a flue gas of a combustion , comprising in sequence:in a reaction process, introducing carbon dioxide into the amino acid salt solution and cooling the amino acid salt solution, and thereby precipitating crystalline carbonate and crystalline amino acid,in a filtration process, filtering off the crystalline carbonate and the crystalline amino acid,in a dissolution process, dissolving the crystalline carbonate and the crystalline amino acid in a solvent and thereby recovering a treated amino acid salt solution.2. The method as claimed in claim 1 ,with the reaction process having an upstream concentration process in which the contaminated amino acid salt solution is concentrated such that a concentrated amino acid salt solution is formed.3. The method as claimed in claim 2 ,wherein heat is introduced into the amino acid salt solution by superheated steam for concentration in the concentration process, with some of the solvent of the contaminated amino acid salt solution being evaporated, such that a concentrated amino acid salt solution and steam are formed, and with the ...

PROCESS AND APPARATUS FOR PROCESSING A GAS STREAM AND ESPECIALLY FOR PROCESSING A FLUE GAS STREAM

An apparatus for processing a gas stream and especially for processing a flue gas stream, includes a scrubbing apparatus for removing harmful substances from the gas stream by means of a scrubbing medium, and a separation apparatus which is connected downstream of the washing apparatus and comprises an absorber and a desorber for separation of carbon dioxide from the gas stream by means of a scrubbing medium. In this context, the scrubbing apparatus and the separation apparatus are set up to use the same scrubbing medium. A process uses the same scrubbing medium both for pre-purification of the gas stream in a scrubbing apparatus and for separation of carbon dioxide in a separation apparatus. 130.-. (canceled)31. An apparatus for processing a gas stream , comprisinga scrubbing apparatus for removing harmful substances from the gas stream by a scrubbing medium,a separation apparatus connected downstream of the scrubbing apparatus and having an absorber and a desorber for separating off carbon dioxide from the gas stream by a scrubbing medium, and alsoa regeneration stage for the scrubbing medium having a number of reclaimers,wherein the scrubbing apparatus and the separation apparatus are adapted to use the same scrubbing medium, andwherein the regeneration stage is flow-connected to a recycle line of the scrubbing apparatus.32. The apparatus as claimed in claim 31 ,wherein an amino acid salt is used as scrubbing medium.33. The apparatus as claimed in claim 31 ,wherein the recycle line of the scrubbing apparatus comprises a branch line which is flow-connected in each case to a feed line of the or each reclaimer.34181. The apparatus ( claim 31 , ) as claimed in claim 31 ,wherein the or each reclaimer comprises a recycle line which is flow-connected in each case to the recycle line of the scrubbing apparatus.35. The apparatus as claimed in claim 31 ,wherein a first reclaimer and a second reclaimer are flow-connected to one another via a connection line.36. The ...

ACID GAS ABSORBENT, ACID GAS REMOVAL METHOD, AND ACID GAS REMOVAL DEVICE

Disclosed herein are acid gas absorbents that afford high acid gas (CO2) absorption amount per unit volume and high absorption speed and can prevent the absorbent. components from diffusing. The acid gas absorbent contains an amine compound of the form is (1) and a cyclic amine compound of the formula (3) or (3′): 2. The acid gas absorbent according to claim 1 , wherein the amine compound represented by the formula (1) is selected from the group consisting of1-[(2-hydroxyethyl)methylarnino]-2-propanol,1-[(2-hydroxyethypethylamino]-2-propanol,1-[(2-hydroxyethyl)propylamino]-2-propanol,1-[(2-hydroxyethyl)butylamino]-2-propanol,1-[(3-hydroxypropyl)methylamino]-2-propanol,1-[(3-hydroxypropyl)ethylamino]-2-propanol,1-[(3-hydroxypropyl)propylarnino]-2-propanol,1-[(3-hydroxypropyl)butylamino]-2-propanol,4-[(2-hydroxyethyl)methylamino]-2-butanol,4-[(2-hydroxyethypethylamino]-2-butanol,4-[(2-hydroxyethyl)propylamino]-2-butanol,4-[(2-hydroxyethyl)butylamino]-2-butanol,4-[(3-hydroxypropyl)rnethylamino]-2-butanol,4-[(3-hydroxypropyl)ethylamino]-2-butanol,4-[(3-hydroxypropyl)propylamino]-2-butanol, and4-[(3-hydroxypropyl)butylamino]-2-butanol.3. The acid gas absorbent according to claim 1 , wherein the cyclic amine compound represented by the formula (3) or (3′) is selected from the group consisting of2-azetidilmethanol, 2-(2-aminoethyl)azetidine,2-pyrrolidylmethanol, 2-(2-aminoethyl)pyrrolidine,4-hydroxypiperidine, 2-piperidinemethanol, 3-piperidineethanol,2-(2-aminoethyl)pyrrolidine, 1-(2-hydroxyethyl)piperazine, and2-(hydroxymethyl)piperazine.4. The acid gas absorbent according to claim 1 , wherein the acid gas absorbent comprises the amine compound represented by the formula (1) in an amount of 10 to 60 mass % claim 1 , andcomprises the cyclic amine compound represented by the formula (3) or (3′) in an amount of 1 to 50 mass % claim 1 , with respect to the whole amount of the acid gas absorbent as 100 mass %. This application is a divisional of U.S. application Ser. No. 16/ ...

ABSORBENT FOR SELECTIVE REMOVAL OF HYDROGEN SULFIDE FROM A FLUID STREAM

An absorbent for selective removal of hydrogen sulfide over carbon dioxide from a fluid stream comprises an aqueous solution of a) a tertiary amine, b) a sterically hindered secondary amine of the general formula (I) 2. The process according to claim 1 , wherein the fluid stream comprises a hydrocarbon.3. The process according to claim 1 , wherein there is a partial hydrogen sulfide pressure of at least 0.1 bar and a partial carbon dioxide pressure of at least 1.0 bar in the fluid stream.4. The process according to claim 1 , wherein the laden absorbent is regenerated bya) heating,b) decompression,c) stripping with an inert fluidor a combination of two or all of these measures.6. The absorbent according to claim 5 , wherein the total concentration of a) and b) in the aqueous solution is 10% to 60% by weight.7. The absorbent according to claim 5 , wherein the tertiary amine a) is a tertiary alkanolamine.8. The absorbent according to claim 7 , wherein the tertiary amine a) is methyldiethanolamine.9. The absorbent according to claim 5 , wherein the sterically hindered secondary amine b) is 2-(2-tert-butylaminoethoxy)ethanol.10. The absorbent according to claim 5 , wherein the acid c) is at least one member selected from inorganic acids and organic acids.11. The absorbent according to claim 10 , wherein the acid is an organic acid and is at least one member selected from phosphonic acids claim 10 , sulfonic acids claim 10 , carboxylic acids claim 10 , tertiary aminocarboxylic acids claim 10 , N-sec-alkylaminocarboxylic acids and N-tert-alkylaminocarboxylic acids.12. The absorbent according to claim 10 , wherein the acid is an inorganic acid and is at least one selected from phosphoric acid and sulfuric acid. This application is a continuation application of U.S. application Ser. No. 15/506,451, filed Feb. 24, 2017, the disclosure of which is incorporated herein by reference in its entirety. U.S. application Ser. No. 15/506,451 is the national stage of PCT/EP2015/069109, ...

Method for capturing co2 from exhaust gas

The présent invention relates to a method for capturing CO2 from exhaust gas in an absorber (A1 ), wherein the CO2 containing gas is passed through an aqueous absorbent slurry wherein said aqueous absorbent slurry comprises an inorganic alkali carbonate, bicarbonate and at least one of an absorption promoter and a catalyst, and wherein the CO2 is converted to solids by précipitation in the absorber, said slurry having the precipitated solids is conveyed to a separating device (F1), in which the solids are separated off, essentially ail of at least one of the absorption promoter and catalyst is recycled together with the remaining aqueous phase to the absorber.

Formulation and process for co2 capture using amino acids and biocatalysts

A formulation and a process for CO 2 capture, where a CO 2 -containing gas in contacted with water, biocatalyst and an amino acid compound, enabling the dissolution and transformation of the CO 2 into bicarbonate ions and hydrogen ions, producing an ion-rich solution and a CO 2 -depleted gas. The amino acids may present slow absorption kinetics and having elevated stability such that absorption is enhanced in combination with the biocatalyst. The amino acid compound and the biocatalyst may be selected such that the active sites of the biocatalyst benefit from proton removal facilitated by the amino acid compounds, thus improving the CO 2 absorption.

Process for co2 capture using micro-particles comprising biocatalysts

A process for capturing CO 2 includes contacting a C0 2 -containing gas with an absorption mixture optionally within a packed reactor. The absorption mixture includes a liquid solution and micro-particles. The micro-particles include a support material and biocatalyst supported by the support material and are sized and provided in a concentration such that the absorption mixture flows through the packed reactor and that the micro-particles are carried with the liquid solution to promote dissolution and transformation of CO 2 into bicarbonate and hydrogen ions. The absorption mixture and micro-particles may be provided in an absorption reactor so as to be pumpable. Furthermore, a process for desorbing CO 2 gas from an ion-rich aqueous mixture includes providing biocatalytic micro-particles and feeding the mixture to a desorption reactor, to promote transformation of the bicarbonate and hydrogen ions into CO 2 gas and water.

Formulation and process for co2 capture using carbonates and biocatalysts

A formulation and process for capturing CO 2 use an absorption mixture containing water, biocatalysts and a carbonate compound. The process includes contacting a CO 2 - containing gas with the absorption mixture to enable dissolution and transformation of CO 2 into bicarbonate and hydrogen ions, thereby producing a CO 2 -depleted gas and an ion-rich solution, followed by subjecting the ion-rich solution to desorption. The biocatalyst improves absorption of the mixture comprising carbonate compounds and the carbonate compound promotes release of the bicarbonate ions from the ion-rich solution during desorption, producing a CO 2 gas stream and an ion-depleted solution.

Carbon dioxide gas absorbent solution

Disclosed is a carbon dioxide gas absorbent solution which can prevent the production of BICINE which is an oxidative degradation product of an alkanol amine. The carbon dioxide gas absorbent solution is characterized by comprising an alkanol amine and a sulfur-containing amino acid represented by general formula [chemical formula 1] or [chemical formula 2].

Solvent, process for providing an absorption liquid, use of the solvent and process for activation of a solvent

본 발명은 연소 설비의 연도 가스에서 CO 2 를 선택적으로 흡수하는 용매 (2)의 용도에 관한 것이다. 용매 (2)는 활성 세정 물질로서 이차 아미노산 염 (4)의 수용액 및 첨가제 (6)를 포함하고, 첨가제 (6)는 일차 아미노산 염 (3)을 포함한다. 본 발명은 추가로 흡수액의 제공 방법, 연소 설비의 연도 가스에서 CO 2 를 선택적으로 흡수하는 용매 (2)의 용도 및 용매의 활성화 방법에 관한 것이다. The invention relates to the use of a solvent (2) which selectively absorbs CO 2 in the flue gas of a combustion plant. The solvent 2 comprises an aqueous solution of a secondary amino acid salt 4 and an additive 6 as an active cleaning material and the additive 6 comprises a primary amino acid salt 3. The present invention further relates to a method for providing an absorption liquid, a use of a solvent (2) which selectively absorbs CO 2 from flue gas of a combustion plant, and a method for activating a solvent.

이산화탄소를 흡수하기 위한 오존 및/또는 과산화수소를 갖는 아민 함유 세정액

본 발명은 연소 설비의 연도 가스(RG)로부터 이산화탄소를 분리하기 위한 방법에 관한 것이며, 니트라이트를 위한 산화제로서 오존 및/또는 과산화수소가, 아민 함유 흡수제(예를 들어 20)를 갖는 세정액(A)에 혼합되고, 함유된 이산화탄소를 흡수하는 동안에, 연도 가스(RG)는 상기 방식으로 제공된 세정액(A)과 접촉되고, 이어서 세정액(A)은 이산화탄소를 분리하는 동안에 열적으로 처리된다. 또한, 아민 함유 흡수제(예를 들어 20), 그리고 니트라이트를 위한 산화제로서 오존 및/또는 과산화수소를 갖는 상응하는 세정액(A)에 관한 것이다.

用于通过逆流吸收法和流化床吸收目标气体的方法和接触器容器

本发明涉及一种方法和接触器容器，其中发生气体和液体接触以促进其间的质量传递。在一个实施方案中，所述方法包括流化床，所述流化床包括流动惰性主要对象和促进所述接触器中湍流混合的次要颗粒以及增强的气体/液体表面积。

使用氨基酸和生物催化剂捕获co2的制剂和方法

本发明提供用于捕获CO 2 的制剂和方法，其中含CO 2 气体与水、生物催化剂和氨基酸化合物接触，能够使CO 2 溶解并转化为碳酸氢根离子和氢离子，产生富离子溶液和贫CO 2 气体。氨基酸可以表现出缓慢的吸收动力学并且具有增加的稳定性，使得在与生物催化剂的组合的情况下吸收得到提高。可以选择氨基酸化合物和生物催化剂，以使得生物催化剂的活性位点受益于由所述氨基酸化合物所促进的质子移除，从而提高CO 2 吸收。

复合醇胺类溶液脱除气体中SOx的方法

本发明公开了一种复合醇胺类溶液脱除气体中SOx的方法。将乙二醇和/或聚乙二醇与含氮碱性基团的羟羧基有机化合物混合成复合醇胺类溶液，使所述复合醇胺类溶液与含SOx的气体接触来吸收气体中的SOx（x=2和/或3）。吸收了SOx的复合醇胺类溶液用加热法、真空法、气提法、超波法、微波法和辐射法中的一种或多种方法再生，释放出二氧化硫和三氧化硫副产品，再生后的复合醇胺类溶液循环使用。该方法可用于烟道气、焚烧气、焦炉气、染料厂合成废气、化纤厂排污气，以及含SOx的其它工业原料气或废气的脱硫。

复合醇胺类溶液脱除气体中SOx的方法

本发明公开了一种复合醇胺类溶液脱除气体中SOx的方法。将乙二醇和/或聚乙二醇与含氮碱性基团的羟羧基有机化合物混合成复合醇胺类溶液，使所述复合醇胺类溶液与含SOx的气体接触来吸收气体中的SOx（x=2和/或3）。吸收了SOx的复合醇胺类溶液用加热法、真空法、气提法、超波法、微波法和辐射法中的一种或多种方法再生，释放出二氧化硫和三氧化硫副产品，再生后的复合醇胺类溶液循环使用。该方法可用于烟道气、焚烧气、焦炉气、染料厂合成废气、化纤厂排污气，以及含SOx的其它工业原料气或废气的脱硫。

Method of precipitating carbon dioxide and gas turbine unit with carbon dioxide precipitation

FIELD: chemistry. SUBSTANCE: method includes, in a first absorption process, absorbing carbon dioxide when the fed carbon dioxide-containing natural gas comes into contact with a first solvent by-pass stream, thereby forming a carbon dioxide-impoverished natural gas and a carbon dioxide-rich solvent; in a burning process, burning the carbon dioxide-impoverished natural gas to form carbon dioxide-containing exhaust gas; in a second absorption process, absorbing carbon dioxide when the fed carbon dioxide-containing exhaust gas comes into contact with a second solvent by-pass stream, thereby forming carbon dioxide-free exhaust gas and carbon dioxide-rich solvent; finally in the desorption process, merging the first by-pass stream and the second by-pass stream of the carbon dioxide-rich solvent and desorbing carbon dioxide by feeding heat energy, wherein a carbon dioxide-impoverished solvent is formed. EFFECT: high efficiency of the method. 8 cl, 1 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 571 142 C2 (51) МПК B01D 53/14 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2013119651/05, 27.09.2011 (24) Дата начала отсчета срока действия патента: 27.09.2011 Приоритет(ы): (30) Конвенционный приоритет: (72) Автор(ы): БЁРЛИ Роланд (DE), БРУНХУБЕР Кристиан (DE), КРЕМЕР Херманн (DE), ЦИММЕРМАНН Герхард (DE) (43) Дата публикации заявки: 10.11.2014 Бюл. № 31 R U (73) Патентообладатель(и): СИМЕНС АКЦИЕНГЕЗЕЛЛЬШАФТ (DE) 28.09.2010 DE 102010041536.7 (45) Опубликовано: 20.12.2015 Бюл. № 35 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 29.04.2013 (86) Заявка PCT: 2 5 7 1 1 4 2 (56) Список документов, цитированных в отчете о поиске: EP 1391669 A2, 25.02.2004. EP 1303345 A1, 23.04.2003. EP 1745844 B1, 29.05.2013. RU 2343962 C2, 20.01.2009. 2 5 7 1 1 4 2 R U (87) Публикация заявки PCT: C 2 C 2 EP 2011/066759 (27.09.2011) WO 2012/052262 (26.04.2012) Адрес для переписки: 109012, Москва, ул. Ильинка, 5/2, ...

Washing solution for the absorption of carbon dioxide with reduced formation of nitrosamines

본 발명은 이산화탄소를 흡수하기 위한 세척 용액에 관한 것이다. 아민 함유 흡수제(예: 20)를 갖는 세척 용액(A)에 1종 이상의 알칼리 금속 산화물을 아질산염에 대한 산화제로서 첨가하고, 연도 가스(RG)를 이와 같은 방식으로 제조된 세척 용액(A)과 접촉시켜, 함유된 이산화탄소를 흡수시킨 후에, 세척 용액(A)을 열처리하여 이산화탄소를 탈착시키는 것인, 연소 플랜트로부터의 연도 가스(RG)로부터 이산화탄소를 분리시키는 방법이 개시된다. 또한, 아민 함유 흡수제(예: 20)를 갖고 1종 이상의 알칼리 금속 산화물을 아질산염에 대한 산화제로서 갖는 세척 용액(A)이 개시된다.

Method and device for extracting gas from gas mixture using venturi ejector

FIELD: gas industry. SUBSTANCE: method of extracting gas from gas mixture, including a cleaning step, where a first sorbent is brought into contact with a gas mixture for extraction of said gas from gas mixture, wherein an enriched first sorbent is formed, in which gas is at least partially sorbed; carrying out a regeneration step, during which a second sorbent is brought into contact with enriched first sorbent for extracting gas from enriched liquid first sorbent; wherein to provide contact at cleaning step and/or at regeneration step, a separate Venturi ejector (12, 22) is used. EFFECT: disclosed is a method of extracting gas from a gas mixture. 26 cl, 3 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 605 978 C2 (51) МПК B01D 53/14 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ФОРМУЛА (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ 2015116638, 01.10.2013 (24) Дата начала отсчета срока действия патента: 01.10.2013 (72) Автор(ы): ХЕЙРМАН Петер Йозеф (BE), АЛДЕРИНК Гёрт (BE) 08.12.2016 Приоритет(ы): (30) Конвенционный приоритет: (56) Список документов, цитированных в отчете о поиске: WO 2011109359 A1, 09.09.2011;DE 05.10.2012 BE 2012/0660 102009034548 A1, 07.04.2011;WO 9967672 A1, 29.12.1999. RU 2206374 C2, 20.06.2003. (45) Опубликовано: 10.01.2017 Бюл. № 1 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 05.05.2015 (86) Заявка PCT: BE 2013/000051 (01.10.2013) (87) Публикация заявки PCT: 2 6 0 5 9 7 8 (43) Дата публикации заявки: 27.11.2016 Бюл. № 33 R U (73) Патентообладатель(и): АТЛАС КОПКО ЭРПАУЭР, НАМЛОЗЕ ВЕННОТСХАП (BE) Дата регистрации: 2 6 0 5 9 7 8 R U C 2 C 2 WO 2014/053030 (10.04.2014) Адрес для переписки: 109012, Москва, ул. Ильинка, 5/2, ООО "Союзпатент" (54) СПОСОБ И УСТРОЙСТВО ДЛЯ ИЗВЛЕЧЕНИЯ ГАЗА ИЗ ГАЗОВОЙ СМЕСИ С ИСПОЛЬЗОВАНИЕМ ЭЖЕКТОРА ВЕНТУРИ (57) Формула изобретения 1. Способ извлечения газа из смеси газов, включающий следующие этапы использование первого жидкого сорбента, обеспечивающего при контакте ...

METHOD AND DEVICE FOR GAS EXTRACTION FROM A GAS MIXTURE USING A VENTURI EJECTOR

1. Способ извлечения газа из смеси газов, включающий следующие этапы:использование первого жидкого сорбента, обеспечивающего при контакте со смесью газов, по меньшей мере, частичную сорбцию, подлежащего извлечению газа;приведение первого сорбента в контакт с газовой смесью путем их совместного направленного перемещения на этапе очистки через ступень (8) очистки так, чтобы газ, подлежащий извлечению, по меньшей мере, частично был поглощен из смеси газов с помощью первого сорбента за счет их взаимного контакта с получением очищенной смеси газов с меньшим содержанием газа, подлежащего извлечению, и обогащенным первым жидким сорбентом, в котором содержится, по меньшей мере, частично поглощенный газ, подлежащий извлечению из газовой смеси;использование второго газообразного сорбента, обеспечивающего, по меньшей мере, частичное извлечение подлежащего извлечению газа из обогащенного жидкого первого сорбента при контактировании с этим обогащенным жидким сорбентом;приведение указанного газообразного второго сорбента в контакт с указанным обогащенным жидким первым сорбентом, образовавшимся при проведении вышеупомянутой стадии очистки, путем их совместного направленного перемещения на этапе регенерации через ступень (9) регенерации, с обеспечением путем взаимного контакта поглощение извлекаемого газа, содержащегося в обогащенном жидком первом сорбенте, по меньшей мере, частично вторым сорбентом, с образованием на выходе (27) ступени (9) регенерации, по меньшей мере, частично регенерированного жидкого первого сорбента, который может быть вновь использован для проведения последующей стадии очистки;использование для проведения РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2015 116 638 A (51) МПК B01D 53/14 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2015116638, 01.10.2013 (71) Заявитель(и): АТЛАС КОПКО ЭРПАУЭР, НАМЛОЗЕ ВЕННОТСХАП (BE) Приоритет(ы): (30) Конвенционный приоритет: 05.10.2012 BE 2012/0660 (85) Дата начала ...

Conditioning amine solvent contaminated with introduced sulphur oxides

FIELD: chemistry. SUBSTANCE: invention refers to a method and a device for conditioning an amine solvent contaminated with introduced sulphur dioxides. The contaminated solvent is added with a potassium compound and an oxidising agent thereby oxidising sulphite to sulphate; the oxidising agent and potassium compound are mixed before adding an amino acid salt to the solution. The contaminated solvent is cooled down to a temperature T, thereby reducing the potassium sulphate solubility as compared to its actual concentration. Potassium sulphate is filtered to produce the conditioned solvent. EFFECT: invention enables providing removing sulphate from the solution. 15 cl, 3 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 559 493 C2 (51) МПК B01D 53/14 (2006.01) B01D 53/50 (2006.01) B01D 9/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2013126536/05, 08.11.2011 (24) Дата начала отсчета срока действия патента: 08.11.2011 Приоритет(ы): (30) Конвенционный приоритет: (43) Дата публикации заявки: 20.12.2014 Бюл. № 35 (73) Патентообладатель(и): СИМЕНС АКЦИЕНГЕЗЕЛЛЬШАФТ (DE) R U 10.11.2010 DE 102010043689.5 (72) Автор(ы): ФОРБЕРТ Райнальд (DE), ХАУКЕ Стефан (DE), ЙОХ Ральф (DE), ОЛЬШЕВСКИ Франк (DE), ШНАЙДЕР Рюдигер (DE) (45) Опубликовано: 10.08.2015 Бюл. № 22 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 10.06.2013 2 5 5 9 4 9 3 (56) Список документов, цитированных в отчете о поиске: US 20040253159 А1, 16.12.2004. US 5853012 А, 19.05.1998. US 4500500 A, 19.02.1985. SU 795448, 08.01.1981. US 4389383 A, 21.06.1983. DE 2702583 A1, 27.07.1978. US 5912387 A, 15.06.1999. US 6010664 A, 04.01.2000 EP 2011/069593 (08.11.2011) C 2 C 2 (86) Заявка PCT: (87) Публикация заявки PCT: R U 2 5 5 9 4 9 3 WO 2012/062724 (18.05.2012) Адрес для переписки: 109012, Москва, ул. Ильинка, 5/2, ООО "Союзпатент" (54) ОЧИСТКА ЗАГРЯЗНЁННОГО ВНЕСЕНИЕМ ОКСИДОВ СЕРЫ РАСТВОРИТЕЛЯ НА ОСНОВЕ АМИНА (57) Реферат: Изобретение ...

Carbon dioxide absorption liquid

METHOD AND DEVICE FOR CLEANING A CONTAMINATED ALKALINE AMINO ACID SALT SOLUTION

1. Способ (1) очистки загрязненного щелочного раствора (3) соли аминокислоты, включающий в себя следующие стадии:- введение диоксида углерода (2) в раствор (3) соли аминокислоты и вследствие этого выпадение в осадок карбоната и/или его солей (4),- фильтрация выпавшего в осадок карбоната и/или его солей (4),- охлаждение фильтрата и в результате выкристаллизовывание аминокислоты и/или ее соли (7),- фильтрация кристаллизованной аминокислоты и/или ее соли (7),- растворение отфильтрованной аминокислоты и/или ее соли (7) и в результате регенерация очищенного раствора (15) соли аминокислоты.2. Способ (1) по п.1, где загрязненный щелочной раствор (3) соли аминокислоты концентрируют перед введением диоксида углерода (2).3. Способ (1) по п.2, где в целях концентрации в раствор (3) соли аминокислоты вводят горячий пар (18), при этом образуются концентрированный раствор (17) соли аминокислоты и конденсат (19).4. Способ (1) по п.3, где конденсат (19) применяют для растворения отфильтрованной аминокислоты и/или ее соли (15).5. Способ (1) по любому из пп.1-4, где выпавший в осадок карбонат и/или его соли (4) растворяют в очищенном растворе (15) соли аминокислоты.6. Способ (1) по любому из пп.1-4, где вводимый диоксид углерода (2) отбирают из процесса (20) десорбции диоксида углерода.7. Способ (1) по п.5, где вводимый диоксид углерода (2) отбирают из процесса (20) десорбции диоксида углерода.8. Способ (1) по любому из пп.1-4, где очищенный раствор (15) соли аминокислоты подают в процесс десорбции диоксида углерода, причем диоксид углерода (2), содержащийся в очищенном растворе (15) соли аминокислоты, десорбируют в ходе процесса десорбции.9. Способ (1) по п.5, где очищенный раствор (15) соли аминокислоты п� РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2013 107 782 A (51) МПК B01D 53/62 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2013107782/05, 08.06.2011 (71) Заявитель(и): СИМЕНС АКЦИЕНГЕЗЕЛЛЬШАФТ (DE) Приоритет(ы): (30) ...

AMIN-CONTAINING WASHING SOLUTION WITH ADDITION OF OZONE AND / OR HYDROGEN PEROXIDE FOR ABSORPTION OF CARBON DIOXIDE

1. Применение промывочного раствора (А) для абсорбции диоксида углерода из дымового газа установки для сжигания, в состав которого входят, по меньшей мере, один аминосодержащий абсорбент (например, 20), а также озон и/или перекись водорода для окисления нитритов до нитратов.2. Применение промывочного раствора (А) по п. 1, в который дополнительно добавлен катализатор для окисления нитритов, в частности, карбоновая кислота или оксид марганца.3. Применение промывочного раствора (А) по п. 1 или 2, который представляет собой водный раствор.4. Применение промывочного раствора (А) по п. 1 или 2, в котором раствор содержит множество аминов (например, 20).5. Применение промывочного раствора (А) по п. 1 или 2, в котором раствор содержит в качестве амина алканоламин и/или амин, стерически затрудненный при образовании карбамата.6. Применение промывочного раствора (А) по п. 1 или 2, в котором в качестве амина раствор содержит соль (20) аминокислоты.7. Применение промывочного раствора (А) по п. 6, в котором соль (20) аминокислоты содержит заместитель (R) углерода, выбранный из группы, состоящей из водорода, алкила, гидроксиалкила и аминоалкила.8. Применение промывочного раствора (А) по п. 6, в котором соль (20) аминокислоты содержит заместитель (R1, R2) азота, выбранный из группы, состоящей из водорода, алкила, гидроксиалкила и галоалкила.9. Применение промывочного раствора (А) по п. 6, в котором соль (20) аминокислоты представляет собой соль металла (М), в частности, щелочного металла.10. Способ выделения диоксида углерода из дымового газа установки для сжигания, в котором в промывочный раствор (А) с аминосодержащим абсорбентом (например, 20) примешивают озон и/или перекись водорода в качестве окислителя нитритов, дымовой газ приводят в РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2015 103 749 A (51) МПК B01D 53/14 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2015103749, 03.07.2013 (71) Заявитель(и): СИМЕНС ...

Absorbent for removal of acid gases, containing amino acid and acid promoter

FIELD: chemistry. SUBSTANCE: claimed is an absorbent for removal of acid gases from a liquid flow, which includes a water solution of a) at least one metal salt with aminocarboxylic acid and b) at least one acid promoter, with a molar ratio of a component b) to a component a) constituting from 0.0005 to 1. The acid promoter is selected from the group, including mineral acids, carboxylic acids, sulphonic acids, organic phosphonic acids and their incomplete ethers. In contrast to the known absorbents based on salts of amino acids regeneration of the said absorbent requires application of smaller energy without essential reduction of the absorption capacity of the solution (ability to absorb acid gases). In the realisation of the method of removal of acid gases from the liquid flow contact of the liquid flow with the said absorbent is realised. EFFECT: invention makes it possible to reduce energy required for regeneration of the applied absorbent. 11 cl, 1 dwg, 2 tbl РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 531 197 C2 (51) МПК B01D 53/14 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2011135611/05, 27.01.2010 (24) Дата начала отсчета срока действия патента: 27.01.2010 Приоритет(ы): (30) Конвенционный приоритет: (43) Дата публикации заявки: 10.03.2013 Бюл. № 7 R U 29.01.2009 EP 09151655.9 (72) Автор(ы): ФОРБЕРГ Геральд (DE), КАТЦ Торстен (DE), ЗИДЕР Георг (DE), РИМАНН Кристиан (DE), ВАГНЕР Руперт (DE), ЛИХФЕРС Уте (DE), ДЕНГЛЕР Эрика (DE) (73) Патентообладатель(и): БАСФ СЕ (DE) (45) Опубликовано: 20.10.2014 Бюл. № 29 A, 31.03.1993. EP 0671200 A2, 13.09.1995. RU 2252063 C1, 20.05.2005 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 29.08.2011 (86) Заявка PCT: 2 5 3 1 1 9 7 (56) Список документов, цитированных в отчете о поиске: US 3042483 A, 03.07.1962. EP 0534774 2 5 3 1 1 9 7 R U (87) Публикация заявки PCT: C 2 C 2 EP 2010/050943 (27.01.2010) WO 2010/086334 (05.08.2010) Адрес для ...

Acid gas capture system by poros metal structure catalyst

본 발명은 산성가스를 포함하는 배가스를 산성가스 포집을 위한 흡수제에 흡수시키는 흡수탑 및 상기 산성가스를 흡수한 흡수제로부터 산성가스를 분리시키는 재생탑을 포함하고, 상기 재생탑 내에는 다공성 금속구조체 촉매가 구비된 것을 특징으로 하는 다공성 금속구조체 촉매를 이용한 산성가스 포집 시스템으로서, 본 발명에 의하면, 이산화탄소의 포집효율을 높이면서도 재생에너지 비용을 줄일 수 있다. The present invention includes an absorption tower for absorbing exhaust gas containing acid gas into an absorbent for collecting acid gas, and a regeneration tower for separating acid gas from the absorbent that has absorbed the acid gas, and a porous metal structure catalyst in the regeneration tower. As an acid gas collection system using a porous metal structure catalyst, characterized in that it is provided, according to the present invention, it is possible to reduce the cost of renewable energy while increasing the capture efficiency of carbon dioxide.

Absorbent, method of its production and application

FIELD: process engineering. SUBSTANCE: invention relates to absorbent intended for removing carbon dioxide from flue gases formed in incinerator running on fossil fuel. Absorbent contains two-component mix of free amino acid and amino acid salt. In terms of molar concentration, free acid occurs in the mix in excess amount as compared with amino acid salt. This allows well-directed variable pkB-index which may be reached at different temperatures of absorption and desorption. EFFECT: absorbent notably improving energy balance. 20 cl, 3 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 488 429 (13) C2 (51) МПК B01D 53/14 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21)(22) Заявка: 2011119092/05, 14.09.2009 (24) Дата начала отсчета срока действия патента: 14.09.2009 (72) Автор(ы): ЙОХ Ральф (DE), ШНАЙДЕР Рюдигер (DE) (73) Патентообладатель(и): СИМЕНС АКЦИЕНГЕЗЕЛЛЬШАФТ (DE) R U Приоритет(ы): (30) Конвенционный приоритет: 13.10.2008 EP 08017913.8 (43) Дата публикации заявки: 20.11.2012 Бюл. № 32 2 4 8 8 4 2 9 (45) Опубликовано: 27.07.2013 Бюл. № 21 (56) Список документов, цитированных в отчете о поиске: GB 960648 А, 10.06.1964. RU 2176240 C2, 27.11.2001. WO 2007134994 A, 29.11.2007. DE 2525780 A1, 16.12.1976. 2 4 8 8 4 2 9 R U (86) Заявка PCT: EP 2009/061860 (14.09.2009) C 2 C 2 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 13.05.2011 (87) Публикация заявки РСТ: WO 2010/043459 (22.04.2010) Адрес для переписки: 109012, Москва, ул. Ильинка, 5/2, ООО "Союзпатент" (54) АБСОРБЕНТ, СПОСОБ ЕГО ПОЛУЧЕНИЯ И ЕГО ПРИМЕНЕНИЕ (57) Реферат: Изобретение относится к абсорбенту, для удаления диоксида углерода из дымовых газов, образующихся в работающей на ископаемом топливе установке для сжигания. Абсорбент содержит двухкомпонентную смесь из свободной аминокислоты и соли аминокислоты. В пересчете на молярную концентрацию свободная кислота присутствует в смеси в избыточном количестве по сравнению с солью аминокислоты. Благодаря ...

System for solvent scrubbing acid gas by improvement of stripper process flow and method for solvent scrubbing acid gas using thereof

본 발명의 일 실시예는 탈거공정 개선을 통한 산성가스 포집시스템 및 이를 이용한 산성가스 포집방법에 관한 것으로, 해결하고자 하는 기술적 과제는 흡수탑에서 흡수제와 혼합가스를 접촉하여 산성가스를 포집하고 이 과정에서 흡수제와 산성가스의 발열반응에 의해 승온된 흡수액(리치아민)을 탈거탑 하부에서 나오는 흡수제(린아민)와 열교환하여 승온시키고(95~105℃), 이 흡수제를 직접적으로 리보일러에 공급하여 소량의 스팀을 사용하여 흡수한 산성가스를 과량 탈거할 수 있게 하는데 있다. 이를 위해 본 발명의 일 실시예는 배가스 중에 함유된 산성가스를 흡수제에 흡수시켜 제1 산성가스 포화 흡수제를 생성하는 흡수탑; 상기 제1 산성가스 포화 흡수제와 탈거탑 하부에서 배출되는 흡수제를 열교환하여 승온시키는 열교환기; 상기 열교환기에서 승온된 제2 산성가스 포화 흡수제를 공급받아 외부의 스팀을 이용하여 재가열하고, 재가열시 발생하는 제2 산성가스 포화 흡수제의 증기는 탈거탑의 하부영역에 공급하며, 재가열시 발생하는 제2 산성가스 포화 흡수제의 액상은 탈거탑의 상부영역에 공급하는 리보일러; 및 상기 리보일러로부터 공급되는 제2 산성가스 포화 흡수제를 산성가스 및 흡수제로 분리하는 탈거탑;을 포함하는 탈거공정 개선을 통한 산성가스 포집시스템을 개시한다.

Acid gas capture system by poros metal structure catalyst

본 발명은 산성가스를 포함하는 배가스를 산성가스 포집을 위한 흡수제에 흡수시키는 흡수탑 및 상기 산성가스를 흡수한 흡수제로부터 산성가스를 분리시키는 재생탑을 포함하고, 상기 재생탑 내에는 다공성 금속구조체 촉매가 구비된 것을 특징으로 하는 다공성 금속구조체 촉매를 이용한 산성가스 포집 시스템으로서, 본 발명에 의하면, 이산화탄소의 포집효율을 높이면서도 재생에너지 비용을 줄일 수 있다. The present invention includes an absorption tower for absorbing exhaust gas containing acid gas into an absorbent for collecting acid gas, and a regeneration tower for separating acid gas from the absorbent that has absorbed the acid gas, and a porous metal structure catalyst in the regeneration tower. As an acid gas collection system using a porous metal structure catalyst, characterized in that provided, according to the present invention, it is possible to reduce the cost of renewable energy while increasing the capture efficiency of carbon dioxide.

Self-concentrating absorbent for separation of acidic gas

Изобретение относится к способу нейтрализации кислотности газовой смеси с использованием самоконцентрирующегося абсорбента. Способ и система нейтрализации кислотности газовой смеси, содержащей кислотный газ, включают: введение газовой смеси в контакт с абсорбентом в абсорбционной установке, осуществление абсорбции кислотного газа абсорбентом для получения фазы концентрированного амина, отделение фазы концентрированного амина от остальной части абсорбента; подачу остальной части абсорбента обратно в абсорбционную установку; подачу фазы концентрированного амина в регенерационную установку и подачу регенерированного концентрированного амина обратно в абсорбционную установку. Технический результат заключается в увеличении скорости абсорбции кислотного газа из газовой смеси. 5 н. и 17 з.п. ф-лы, 2 ил. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (51) МПК B01D 53/40 (13) 2 534 765 C2 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2011148142/05, 08.04.2010 (24) Дата начала отсчета срока действия патента: 08.04.2010 (72) Автор(ы): ХУ Лиан (US) (73) Патентообладатель(и): ХУ Лиан (US) Приоритет(ы): (30) Конвенционный приоритет: (43) Дата публикации заявки: 10.06.2013 Бюл. № 16 R U 28.04.2009 US 12/430,998 (45) Опубликовано: 10.12.2014 Бюл. № 34 96108792, 27.07.1998. RU 2052275 C1, 20.01.1996 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 28.11.2011 (86) Заявка PCT: US 2010/030371 (08.04.2010) 2 5 3 4 7 6 5 (56) Список документов, цитированных в отчете о поиске: US 2006/104877 A1, 18.05.2006. RU 2 5 3 4 7 6 5 R U WO 2010/126694 (04.11.2010) C 2 C 2 (87) Публикация заявки PCT: Адрес для переписки: 109012, Москва, ул. Ильинка, 5/2, ООО "Союзпатент" (54) САМОКОНЦЕНТРИРУЮЩИЙСЯ АБСОРБЕНТ ДЛЯ ОТДЕЛЕНИЯ КИСЛОТНОГО ГАЗА (57) Реферат: Изобретение относится к способу концентрированного амина от остальной части нейтрализации кислотности газовой смеси с абсорбента; подачу остальной части абсорбента использованием ...

WASHING SOLUTION FOR ABSORPTION OF CARBON DIOXIDE IN THE DECREASED NITROZAMINE FORMATION

1. Промывной раствор (A) для поглощения диоксида углерода из дымового газа (RG) установки сжигания, содержащий по меньшей мере один аминосодержащий абсорбент (20), а также по меньшей мере один оксид щелочного металла в качестве окислителя для нитрита.2. Промывной раствор (A) по п. 1, причем указанный, по меньшей мере один, оксид щелочного металла выбран из группы, содержащей оксид лития, натрия и калия.3. Промывной раствор (A) по п. 1, причем содержится несколько оксидов щелочного металла.4. Промывной раствор (A) по п. 2, причем содержится несколько оксидов щелочного металла.5. Промывной раствор (A) по п. 1, причем суммарное содержание оксидов щелочного металла по порядку величины соответствует количеству образующихся нитритов.6. Промывной раствор (A) по п. 2, причем суммарное содержание оксидов щелочного металла по порядку величины соответствует количеству образующихся нитритов.7. Промывной раствор (A) по п. 3, причем суммарное содержание оксидов щелочного металла по порядку величины соответствует количеству образующихся нитритов.8. Промывной раствор (A) по п. 4, причем суммарное содержание оксидов щелочного металла по порядку величины соответствует количеству образующихся нитритов.9. Промывной раствор (A) по одному из пп. 1-8, представляющий собой водный раствор.10. Промывной раствор (A) по одному из пп. 1-8, причем используется несколько аминов (20).11. Промывной раствор (A) по п. 9, причем используется несколько аминов (20).12. Промывной раствор (A) по одному из пп. 1-8 или 11, причем в качестве амина содержится алканоламин и/или стерически затрудненный амин для предотвращения образования карбамата.13. Промывной раствор (A) по п. 9, причем в качестве аминасодержится алканоламин и/или стерически затрудненный амин для РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2015 105 253 A (51) МПК B01D 53/14 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2015105253, 08.07.2013 (71) Заявитель(и): СИМЕНС АКЦИЕНГЕЗЕЛЛЬШАФТ ( ...

Method and device for processing an impure alkaline solution of an amino acid salt

The method involves introducing carbon dioxide (38) into amino acid saline solution, so that carbonate or carbonate salts are precipitated. The carbonate or carbonate salts are filtered, and remaining filtrate is cooled, where amino acids or amino acid salts are crystallized and filtered. The amino acids or the amino acid salts are dissolved, so that treated amino acid salt solution is recovered. The contaminated alkaline amino acid saline solution is concentrated before introduction of the carbon dioxide. A desorption process for carbon dioxide is performed. An independent claim is also included for a device for treating contaminated absorbent material for carbon dioxide.

System for solvent scrubbing acid gas by improvement of stripper process flow and method for solvent scrubbing acid gas using thereof

본 발명의 일 실시예는 탈거공정 개선을 통한 산성가스 포집시스템 및 이를 이용한 산성가스 포집방법에 관한 것으로, 해결하고자 하는 기술적 과제는 흡수탑에서 흡수제와 혼합가스를 접촉하여 산성가스를 포집하고 이 과정에서 흡수제와 산성가스의 발열반응에 의해 승온된 흡수액(리치아민)을 탈거탑 하부에서 나오는 흡수제(린아민)와 열교환하여 승온시키고(95~105℃), 이 흡수제를 직접적으로 리보일러에 공급하여 소량의 스팀을 사용하여 흡수한 산성가스를 과량 탈거할 수 있게 하는데 있다. 이를 위해 본 발명의 일 실시예는 배가스 중에 함유된 산성가스를 흡수제에 흡수시켜 제1 산성가스 포화 흡수제를 생성하는 흡수탑; 상기 제1 산성가스 포화 흡수제와 탈거탑 하부에서 배출되는 흡수제를 열교환하여 승온시키는 열교환기; 상기 열교환기에서 승온된 제2 산성가스 포화 흡수제를 공급받아 외부의 스팀을 이용하여 재가열하고, 재가열시 발생하는 제2 산성가스 포화 흡수제의 증기는 탈거탑의 하부영역에 공급하며, 재가열시 발생하는 제2 산성가스 포화 흡수제의 액상은 탈거탑의 상부영역에 공급하는 리보일러; 및 상기 리보일러로부터 공급되는 제2 산성가스 포화 흡수제를 산성가스 및 흡수제로 분리하는 탈거탑;을 포함하는 탈거공정 개선을 통한 산성가스 포집시스템을 개시한다. One embodiment of the present invention relates to an acid gas collection system through an improvement in the stripping process and an acid gas collection method using the same, and a technical problem to be solved is to collect an acid gas by contacting an absorbent and a mixed gas in an absorption tower, and this process The heat absorbed by the exothermic reaction between the absorbent and the acid gas (richamine) is heated by heat exchange with the absorbent (linamine) from the bottom of the stripping column (95 ~ 105 ℃), and the absorbent is supplied directly to the reboiler. It is intended to allow excessive removal of acid gas absorbed by using a small amount of steam. To this end, an embodiment of the present invention absorbs the acidic gas contained in the exhaust gas to the absorbent to generate a first acidic gas saturated absorbent; A heat exchanger that heats the first acid gas saturated absorbent and the absorbent discharged from the bottom of the stripping column to heat up; The second acidic gas saturated absorbent heated by the heat exchanger is supplied and reheated using external steam, and the second acidic gas saturated absorbent vapor generated during reheating is supplied to the lower region of the stripping column and generated during reheating. The liquid phase of the second acid gas saturated absorbent is a ...

Apparatus for separating acid gas from mixed gas

개시된 본 발명의 산성가스 분리 회수 장치는, 제1흡수제와 연소배가스에 포함된 산성가스가 반응하여 포화 제1흡수제를 생성하는 제1흡수탑; 제2흡수제와 상기 제1흡수탑에서 배출되는 연소배가스에 포함된 산성가스가 반응하여 포화 제2흡수제를 생성하는 제2흡수탑; 및 상기 포화 제1흡수제를 재생 제1흡수제로 재생하여 상기 제1흡수탑으로 공급하는 탈거탑 상부와 상기 포화 제2흡수제를 재생 제2흡수제로 재생하여 상기 제2흡수탑으로 공급하는 탈거탑 하부로 구성된 탈거탑;을 포함하는 산성가스 분리 회수 장치로서, 상기 제1흡수제는 상기 제2흡수제보다 재생 에너지가 적게 소요되는 흡수제이고, 상기 제2흡수제는 상기 제1흡수제보다 상기 산성가스와 반응속도가 빠른 흡수제이다. 본 발명에 따르면, 제1흡수탑 및 제2흡수탑에서 모두 저온에서 반응하는 아민 또는 아미노산염계 화합물을 흡수제로 사용하므로 종래와는 달리 별도의 냉각기를 필요로 하지 않는다.

Method and device for purification of polluted alkaline solution of amino acid salt

Изобретение относится к способу очистки загрязненного щелочного раствора соли аминокислоты. Сначала в раствор соли аминокислоты вводят диоксид углерода, в результате чего выпадает в осадок карбонат или его соли, которые отфильтровывают. Затем оставшийся фильтрат охлаждают, причем аминокислота или ее соли выкристаллизовываются и также отфильтровываются. После этого аминокислоту или ее соль снова растворяют, в результате чего регенерируется очищенный раствор соли аминокислоты. Также изобретение относится к устройству для осуществления способа. Изобретение позволяет очищать загрязненный щелочной раствор соли аминокислоты, в промышленном масштабе. 2 н. и 24 з.п. ф-лы, 5 ил. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 534 124 C2 (51) МПК B01D 53/62 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2013107782/05, 08.06.2011 (24) Дата начала отсчета срока действия патента: 08.06.2011 Приоритет(ы): (30) Конвенционный приоритет: (43) Дата публикации заявки: 27.08.2014 Бюл. № 24 (45) Опубликовано: 27.11.2014 Бюл. № 33 (73) Патентообладатель(и): СИМЕНС АКЦИЕНГЕЗЕЛЛЬШАФТ (DE) 4341746 A, 27.07.1982. US 4180548 A, 25.12.1979. RU 2217497 C2, 27.11.2003; . RU 2048847 C1, 27.11.1995 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 22.02.2013 2 5 3 4 1 2 4 (56) Список документов, цитированных в отчете о поиске: WO 03095071 A1, 20.11.2003. US R U 22.07.2010 EP 10170449.2 (72) Автор(ы): ГУТЕР Эрл Лоренс Винсент (BE), ЙОХ Ральф (DE), ГИЛИНГ Эрвин Йоханнес Мартинус (NL), ШНАЙДЕР Рюдигер (DE), ВАН ДЕР МЕР Йоханнес (NL), ВЕРДУС Дирк (NL) 2 5 3 4 1 2 4 R U EP 2011/059468 (08.06.2011) C 2 C 2 (86) Заявка PCT: (87) Публикация заявки PCT: WO 2012/010371 (26.01.2012) Адрес для переписки: 109012, Москва, ул. Ильинка, 5/2, ООО "Союзпатент" (54) СПОСОБ И УСТРОЙСТВО ДЛЯ ОЧИСТКИ ЗАГРЯЗНЕННОГО ЩЕЛОЧНОГО РАСТВОРА СОЛИ АМИНОКИСЛОТЫ (57) Реферат: Изобретение относится к способу очистки отфильтровываются. После этого ...

Method of desorbing carbon dioxide using low energy and appratus for desorbing carbon dioxide

저에너지형 이산화탄소 탈거방법 및 이산화탄소 탈거장치를 개시한다. 상기 이산화탄소 탈거방법은 (a) 이산화탄소(CO 2 )를 포집한 이산화탄소 흡수제(C1)를 막접촉기의 루멘 사이드 및 쉘 사이드 중 어느 하나로 공급하는 단계; (b) 증기(vapor)를 상기 루멘 사이드 및 상기 쉘 사이드 중 다른 하나로 공급하는 단계; 및 (c) 상기 루멘 사이드 및 상기 쉘 사이드에서 상기 이산화탄소 흡수제(C1)에 포집된 상기 이산화탄소를 상기 증기로 탈거하여, 탈거된 상기 이산화탄소와 상기 증기를 포함하는 혼합증기(V1)를 제조하는 단계;를 포함할 수 있다. 본 발명의 이산화탄소 탈거방법 및 장치는 세라믹 막접촉기를 사용함으로써 고온에서 사용 가능하고, 설비의 크기를 줄일 수 있는 효과가 있다. 또한 본 발명의 이산화탄소 탈거방법 및 장치는 증기를 사용하여 이산화탄소가 포집된 흡수제로부터 이산화탄소를 탈거함으로써 이산화탄소를 만들기 위한 재생에너지가 크게 낮아지는 효과가 있다. 또한 본 발명의 이산화탄소 탈거방법 및 장치에 사용되는 흡수제는 막접촉기와 증기를 사용하여 흡수제로부터 이산화탄소를 탈거할 때 흡수제의 손실을 최소화할 수 있는 효과가 있다.

Method and absorption medium for absorbing CO2 from a gas mixture

Die Absorption von CO2 aus einer Gasmischung durch in Kontakt bringen der Gasmischung mit einem Absorptionsmedium, das Wasser und 5 bis 50 Gew.-% Aminosäuresalze der Formel R1R2CHNHCH2COOK enthält, worin R1 und R2 n-Alkylreste sind und die Reste R1 und R2 zusammen 2 bis 4 Kohlenstoffatome aufweisen, ermöglicht eine hohe gewichtsbezogene CO2-Absorptionskapazität im cyclischen Betrieb von Absorption und Desorption mit einem einfach und abfallfrei herstellbaren Absorptionsmedium.

Absorbent, process for producing an absorbent, and process and device for separating off hydrogen sulphide from an acidic gas

The invention relates to an absorbent which comprises a dissolved amino acid salt and a dissolved metal. The absorbent is brought into contact with the acidic gas in an absorber. In the absorber, the H2S converts from the gas phase to the liquid phase. In addition, carbon dioxide (CO2) is likewise absorbed from the gas as a function of the contact time. The washing solution is passed from the absorber to a regeneration tank. In the regeneration tank, the solution is gassed with air, oxygen (O2)-enriched air or with pure O2. By introducing O2 into the solution, the H2S already present in the solution is reacted over the dissolved metal catalyst. After the regeneration, possible solids are separated off and the regenerated washing solution is returned to the absorber.

Absorbent solution, to absorb acidic compounds from gaseous effluent, comprises amine, water and combination of first degradation inhibitor compound e.g. sulfites with second degradation inhibitor compound, which is azole compound

Absorbent solution (I), comprises: (a) at least one amine; (b) water; and (c) at least one combination of first degradation inhibitor compound with second degradation inhibitor compound, where the first degradation inhibitor compound is sulfites and bisulfites, and the second degradation inhibitor compound is azole compound (A). Absorbent solution (I), comprises: (a) at least one amine; (b) water; and (c) at least one combination of first degradation inhibitor compound with second degradation inhibitor compound, where the first degradation inhibitor compound is sulfites and bisulfites, and the second degradation inhibitor compound is azole compound of formula (A). X, Z : H, alkaline element or alkaline-earth element, a monovalent or multivalent metal, ammonium cation NH 4 +>, phosphonium cation, or 1-12C hydrocarbon group; R : -S-Z, H, -R1-R2 or -NR3R4; R1 : 1-12C hydrocarbon group or O; R2 : 1-12C hydrocarbon group; and R3, R4 : H or 1-12C hydrocarbon group. Independent claims are included for: (1) process for absorbing acidic compounds contained in a gaseous effluent, comprising contacting the gaseous effluent with an absorbent solution; and (2) process for capturing carbon dioxide contained in the flue gases, comprising contacting the flue gases with an absorbent solution.

METHOD FOR DEPOSITING CARBON DIOXIDE, AND ALSO A GAS TURBINE INSTALLATION WITH DEPOSITION OF CARBON DIOXIDE

1. Способ осаждения двуокиси (1) углерода, при котором:- в первом процессе (2) абсорбции абсорбируют диоксид углерода при введении в контакт подводимого содержащего диоксид углерода природного газа (6) с первым отводным потоком (7) растворителя (9), причем образуется обедненный диоксидом углерода природный газ (10) и обогащенный диоксидом углерода растворитель (11);- в процессе (3) сжигания газовой турбины (21) сжигают обедненный диоксидом углерода природный газ (10), причем образуется содержащий диоксид углерода отработавший газ (12);- во втором процессе (4) абсорбции абсорбируют диоксид углерода при введении в контакт подводимого содержащего диоксид углерода отработавшего газа (12) со вторым отводным потоком (8) растворителя (9), причем образуется очищенный от диоксида углерода отработавший газ (13) и обогащенный диоксидом углерода растворитель (11), причем первый процесс (2) абсорбции проводят при первом давлении (P1), которое соответствует давлению подводимого содержащего диоксид углерода природного газа (6) и устанавливается выше, чем установленное во втором процессе (4) абсорбции давление (P2);- в процессе (5) десорбции сводят первый отводной поток (7) и второй отводной поток (8) обогащенного диоксидом углерода растворителя (11) и десорбируют диоксид (14) углерода посредством подачи тепловой энергии (15), причем образуется обедненный диоксидом углерода растворитель (9).2. Способ по п.1, при котором тепловую энергию (15) для процесса (5) десорбции отбирают из содержащего диоксид углерода отработавшего газа (12).3. Способ по п.1 или 2, при котором растворитель (9) разделяют на первый обводной поток (7) и второй обводной поток (8), причем первый обводной п РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2013 119 651 A (51) МПК B01D 53/14 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2013119651/05, 27.09.2011 (71) Заявитель(и): СИМЕНС АКЦИЕНГЕЗЕЛЛЬШАФТ (DE) Приоритет(ы): (30) Конвенционный приоритет: 28.09.2010 ...

Washing solution for absorbing carbon dioxide and method of accelerating absorption with germanium dioxide

FIELD: chemistry. SUBSTANCE: solution contains an absorbent of carbon dioxide based on amino acid salts and an additive that activates the absorption rate, which is germanium dioxide. The invention also relates to the method for accelerating the absorption of carbon dioxide, in which a carbon dioxide-containing gas is brought into contact with the said washing solution. Carbon dioxide is physically dissolved in the washing solution and chemically absorbed by the absorbent. Herewith the germanium dioxide has a catalytic effect in, at least, one stage of the chemical absorption of carbon dioxide. EFFECT: creating an environmentally friendly washing solution with a high degree of absorption and low energy consumption during regeneration. 8 cl, 6 dwg, 1 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 638 663 C2 (51) МПК B01D 53/14 (2006.01) B01D 53/62 (2006.01) B01D 53/78 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21)(22) Заявка: 2015105182, 08.07.2013 (24) Дата начала отсчета срока действия патента: 08.07.2013 Дата регистрации: (73) Патентообладатель(и): СИМЕНС АКЦИЕНГЕЗЕЛЛЬШАФТ (DE) Приоритет(ы): (30) Конвенционный приоритет: 17.07.2012 DE 102012212482.9 (56) Список документов, цитированных в отчете о поиске: US 3790503 A1, 05.02.1974. WO 9904885 A1, 04.02.1999. KR 20110073284 A1, 29.06.2011. RU 2244587 С2, 20.01.2005. RU 2275231 C2, 02.04.2003. (45) Опубликовано: 15.12.2017 Бюл. № 35 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 17.02.2015 (86) Заявка PCT: EP 2013/064345 (08.07.2013) (87) Публикация заявки PCT: 2 6 3 8 6 6 3 (43) Дата публикации заявки: 10.09.2016 Бюл. № 25 R U 15.12.2017 (72) Автор(ы): КЮТТЕЛЬ Диего Андрес (DE), ФИШЕР Бьорн (DE), ЙОХ Ральф (DE), КИНЦЛЬ Маркус (DE), ШНАЙДЕР Рюдигер (DE) 2 6 3 8 6 6 3 R U C 2 C 2 WO 2014/012808 (23.01.2014) Адрес для переписки: 109012, Москва, ул. Ильинка, 5/2, ООО "Союзпатент" (54) ПРОМЫВОЧНЫЙ РАСТВОР ДЛЯ АБСОРБЦИИ ДИОКСИДА УГЛЕРОДА И СПОСОБ ...

Thermosensitive amine group carbon dioxide absorbent

本发明属于金属防腐、气体分离或净化等领域，具体涉及从燃煤烟气、天然气、合成气等气源中，捕集二氧化碳所采用的吸收剂，该吸收剂为氨基酸与有机胺的混合物，其中有机胺包括至少一种伯胺或仲胺以及包括一种叔胺。该吸收剂体系的伯（仲）胺基与叔胺基之间是相互转化，通过调节不同的温度来实现。本发明通过氨基酸与有机胺的相互作用，得到一种热敏性的吸收剂体系，实现在较低温度下解析二氧化碳。

WASHING SOLUTION FOR ABSORPTION OF CARBON DIOXIDE AND METHOD OF ACCELERATION OF ABSORPTION BY MEANS OF GERMANY DIOXIDE

1. Промывочный раствор (19), содержащий абсорбент (18) диоксида углерода на основе солей аминокислоты и добавку (6), активирующую скорость абсорбции, которая представляет собой диоксид (17) германия.2. Промывочный раствор (19) по п. 1, в котором содержание диоксида (17) германия составляет от 0,01 до 10 вес. %.3. Промывочный раствор (19) по п. 1, в котором содержание диоксида (17) германия составляет от 0,05 до 2 вес. %.4. Промывочный раствор (19) п. 1, в котором абсорбент (18) содержит стерически затрудненные, вторичные или третичные амины и/или соли аминокислоты.5. Промывочный раствор (19) по любому из пунктов 1-4, который является водным раствором.6. Способ ускорения абсорбции диоксида углерода, в котором содержащий диоксид углерода газ приводят в контакт с промывочным раствором (19), содержащим абсорбент (18) на основе аминов или этаноламинов или солей аминокислоты или поташа или их комбинации и диоксид (17) германия, для абсорбции диоксида углерода, причем диоксид углерода физически растворяют в промывочном растворе (19) и химически абсорбируют абсорбентом (18), при этом диоксид (17) германия оказывает каталитическое действие по меньшей мере на одной стадии реакции химической абсорбции диоксида углерода.7. Способ по п. 6, в котором содержание диоксида (17) германия в промывочной жидкости (19) задают от 0,01 до 10 вес. %.8. Способ по п. 7, в котором содержание диоксида (17) германия задают от 0,05 до 2 вес. %.9. Способ по п. 6, в котором абсорбент (18) содержит стерически затрудненные, вторичные или третичные амины и/или соли аминокислоты.10. Способ по любому из пунктов 6-9, в котором в качестве содержащего диоксид углерода газа обрабатывают дымовой газ паротурбинной электростанции на ископаемом топливе, газотурбинной установки или комбинированной парогазотурбинной РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2015 105 182 A (51) МПК B01D 53/14 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2015105182, 08.07. ...

Method for removing SOx in a gas with a complex alcohol amine solution

Method for monitoring and controlling an absorption level of an operating CO2 separation device

Die Erfindung betrifft ein Verfahren zur Überwachung und Regelung eines Absorptionsmittel-Füllstandes eines im Betrieb befindlichen CO2 Capture-Prozesses (10) mit einem Absorptionsmittelkreislauf, in dem ein Absorptionsmittel aus Wasser und einem gelösten, waschaktiven Zusatzstoff gefördert wird. Dabei werden in einem ersten Messprozess (20) Messdaten über die Dichte des Absorptionsmittels (25) und in einem zweiten Messprozess (30) Messdaten über die Beladung des Absorptionsmittels mit CO2 (35) erfasst. In einem Auswerteprozess (40) wird aus den Messwerten die Verdünnung des Absorptionsmittels mit Wasser berechnet, und dann abhängig von der Verdünnung des Absorptionsmittels mit Wasser in einem Regelprozess (50) dem Absorptionsmittelkreislauf ein Makeup-Wasser zugeregelt, sodass auch bei instationären Vorgängen durch die Verdünnung des Absorptionsmittels eine bestmöglichste Absorption von CO2 gewährleistet ist.

Scrubbing solution for absorption of carbon dioxide and method for accelerating the absorption by germanium dioxide

The invention relates to a scrubbing solution (19) comprising an absorbent (18) for carbon dioxide based on amines, or ethanolamines, or amino acid salts, or potash, or a combination thereof, and an additive (6) activating the absorption rate, wherein the activating additive (6) is a germanium dioxide (17). The invention further relates to a corresponding method for accelerating the absorption of carbon dioxide, wherein a carbon dioxide-containing gas is contacted with such a scrubbing solution (19), wherein the carbon dioxide is physically dissolved in the scrubbing solution (19) and is chemically absorbed with the participation of the absorbent (18), and wherein the germanium dioxide (17) acts catalytically for at least one reaction step of the chemical absorption of the carbon dioxide.

BIOGAS PURIFICATION PROCESS TO OBTAIN BIOMETHANE

La présente invention est relative à un procédé d'épuration d'un flux de biogaz entrant (1) composé d'un mélange de gaz comprenant du méthane CH4 à purifier et des gaz indésirables, comme du dioxyde de carbone CO2 ou du sulfure d'hydrogène H2S. Dans ce procédé, les gaz à éliminer pour obtenir du biométhane valorisable sont dissous dans un liquide absorbant comportant au moins de l'eau et un sel. The present invention relates to a process for the purification of an incoming biogas stream (1) composed of a mixture of gases comprising methane CH4 to be purified and undesirable gases, such as carbon dioxide CO2 or sulphide. hydrogen H2S. In this process, the gases to be eliminated in order to obtain recoverable biomethane are dissolved in an absorbent liquid comprising at least water and a salt.

Absorbent solution to absorb acidic compounds from gaseous effluent, comprises at least one amine, water, and combination of one degradation inhibitor compound e.g. sulfite with other degradation inhibitor compound e.g. triazole compound

Absorbent solution (I), comprises: (a) at least one amine; (b) water; and (c) at least one combination of first degradation inhibitor compound with second degradation inhibitor compound, where the first degradation inhibitor compound is sulfites and bisulfites, and the second degradation inhibitor compound is triazole or tetrazole compound, in which at least one of substituent includes a sulfur atom. Independent claims are included for: (1) process for absorbing acidic compounds contained in a gaseous effluent, comprising contacting the gaseous effluent with an absorbent solution; and (2) process for capturing carbon dioxide contained in the flue gases, comprising contacting the flue gases with an absorbent solution.

PROCESS FOR PURIFYING BIOGAS TO OBTAIN BIOMETHANE

La présente invention est relative à un procédé d'épuration d'un flux de biogaz entrant (1) composé d'un mélange de gaz comprenant du méthane CH4 à purifier et des gaz indésirables, comme du dioxyde de carbone CO2 ou du sulfure d'hydrogène H2S. Dans ce procédé, les gaz à éliminer pour obtenir du biométhane valorisable sont dissous dans un liquide absorbant comportant au moins de l'eau et un sel. The present invention relates to a process for purifying an incoming biogas stream (1) composed of a gas mixture comprising methane CH4 to be purified and undesirable gases, such as carbon dioxide CO2 or sulfur dioxide. H2S hydrogen. In this process, the gases to be removed to obtain recoverable biomethane are dissolved in an absorbent liquid comprising at least water and a salt.

ABSORBENT SOLUTION CONTAINING A COMBINATION OF DEGRADATION HINHIBITORS COMPRISING A TRIAZOLE OR TETRAZOLE DERIVATIVE AND METHOD FOR ABSORPTION OF ACIDIC COMPOUNDS CONTAINED IN A GAS

Device and method for separating carbon dioxide from a gas flow

The invention relates to a device (1) for separating carbon dioxide from a gas flow, in particular from a flue gas flow, comprising an absorption unit (3) for separating carbon dioxide from the gas flow using a scrubbing medium (9), a desorption unit (5) which is fluidically connected to the absorption unit (3) for releasing the absorbed carbon dioxide from the scrubbing medium (9), and a compressor unit (39) which is connected fluidically downstream of the desorption unit (5) for compressing the released carbon dioxide, said compressor unit (39) being connected fluidically upstream of a cleaning device (35) for the carbon dioxide. The invention further relates to a method for separating carbon dioxide from a gas flow, in particular from a flue gas flow.

Process for co2 capture using micro-particles comprising biocatalysts

A process for capturing CO2 includes contacting a CO2-containing gas with an absorption mixture optionally within a packed reactor. The absorption mixture includes a liquid solution and micro-particles. The micro-particles include a support material and biocatalyst supported by the support material and are sized and provided in a concentration such that the absorption mixture flows through the packed reactor and that the micro-particles are carried with the liquid solution to promote dissolution and transformation of CO2 into bicarbonate and hydrogen ions. The absorption mixture and micro-particles may be provided in an absorption reactor so as to be pumpable. Furthermore, a process for desorbing CO2 gas from an ion-rich aqueous mixture includes providing biocatalytic micro-particles and feeding the mixture to a desorption reactor, to promote transformation of the bicarbonate and hydrogen ions into CO2 gas and water.

Absorbing medium containing aminoacids and acidic promotor for removing acid gases

An absorbent for removing acidic gases from a fluid stream, comprising an aqueous solution a) of at least one metal salt of an amino carboxylic acid and b) of al least one acidic promoter, where the molar ratio of b) to a) is in the range from 0.0005 to 1.0. The acidic promoter is selected from mineral acids, carboxylic acids, sulfonic acids, organic phosphonic acids and partial esters thereof. The absorbent exhibits, compared to absorbents based on amino acid salts, a reduced requirement for regeneration energy, without significantly reducing the absorption capacity of the solution for acidic gases. In a process for removing acidic gases from a fluid stream, the fluid stream is contacted with the absorbent.

Acid gas capture system by poros metal structure catalyst

본 발명은 산성가스를 포함하는 배가스를 산성가스 포집을 위한 흡수제에 흡수시키는 흡수탑 및 상기 산성가스를 흡수한 흡수제로부터 산성가스를 분리시키는 재생탑을 포함하고, 상기 재생탑 내에는 다공성 금속구조체 촉매가 구비된 것을 특징으로 하는 다공성 금속구조체 촉매를 이용한 산성가스 포집 시스템으로서, 본 발명에 의하면, 이산화탄소의 포집효율을 높이면서도 재생에너지 비용을 줄일 수 있다. The present invention includes an absorption tower for absorbing exhaust gas containing acid gas into an absorbent for collecting acid gas, and a regeneration tower for separating acid gas from the absorbent that has absorbed the acid gas, wherein the regeneration tower has a porous metal structure catalyst As an acid gas collection system using a porous metal structure catalyst, characterized in that it is provided, according to the present invention, it is possible to reduce the cost of renewable energy while increasing the capture efficiency of carbon dioxide.

Processing unit for a washing medium contaminated with sulphur oxides and/or nitrogen oxides

The invention relates to a processing unit (1, 51) for a liquid washing medium contaminated with sulphur oxides and/or nitrogen oxides, comprising an evaporation stage (2, 2) for concentrating the active components of the washing medium by means of an evaporator (3) and/or by means of a heat exchanger (53), and comprising a collecting tank (7) connected to the evaporator (3) and/or to the heat exchanger (53). The invention is characterized in that the collecting tank (7) is configured as a crystallizer (9) for removing sulfur oxides from the washing medium by crystallization of a sulphate, in particular of potassium sulphate. The invention further relates to a separating device (61) for carbon dioxide having a corresponding processing unit (1, 51), and to a method for processing a washing medium contaminated with sulphur oxides and/or nitrogen oxides, wherein a corresponding processing unit (1, 51) is used.

Process and contactor vessel for the absorption of target gas by counter-current absorption process and fluidised bed

The present invention relates to a process and contactor vessel in which gas and liquid contact occurs to facilitate mass transfer therebetween. In one embodiment the process includes a fluidised bed including mobile inert primary objects and secondary particles that facilitate turbulent mixing and enhanced gas/liquid surface area in the contactor.

Corrosive gas chemical decontamination system

La présente invention porte sur l’utilisation d’une composition comprenant au moins un agent neutralisant acido-basique pour décontaminer une atmosphère contaminée par un gaz corrosif, ledit agent neutralisant acido-basique présentant au moins 2 pKa et étant caractérisé en ce que:- pKa1 ≤ pKa 2- pKa 1>2- pKa 2<12- 4< ½ (pKa 1 +pKa 2) < 10pKa 1 représentant le plus petit des pKa basiques et pKa 2 représentant le plus grand des pKa acides.La présente invention porte également sur un procédé de décontamination d’une atmosphère contaminée par un gaz corrosif comprenant la pulvérisation dudit agent neutralisant, et sur un dispositif de décontamination.Pas de figure.

Absorbent comprising amino acids and acidic promoter for removing acidic gases

An absorbent for removing acidic gases from a fluid stream, comprising an aqueous solution a) of at least one metal salt of an amino carboxylic acid and b) of at least one acidic promoter, where the molar ratio of b) to a) is in the range from 0.0005 to 1Ø The acidic promoter is selected from mineral acids, carboxylic acids, sulfonic acids, organic phosphonic acids and partial esters thereof. The absorbent exhibits, compared to absorbents based on amino acid salts, a reduced requirement for regeneration energy, without significantly reducing the absorption capacity of the solution for acidic gases. In a process for removing acidic gases from a fluid stream, the fluid stream is contacted with the absorbent.

Method and device for work-up of an amino acid salt solution that has been contaminated with carbon dioxide

The invention relates to a device (30) and a method (1) for work-up of an amino acid salt solution (3), as an absorption agent for carbon dioxide from a flue gas of a combustion process, that has been contaminated with carbon dioxide (2), and comprises a reaction process (100), a subsequent filtration process (200) and a subsequent dissolving process (300). In the reaction process (100), carbon dioxide (2) is introduced into the amino acid salt solution (3), and the amino acid salt solution (3) is cooled. Crystalline carbonate (4) and crystalline amino acid (7) then precipitates out. In the filtration process (200), the crystalline carbonate (4) and the crystalline amino acid (7) are filtered out. In the dissolving process (300), the crystalline carbonate (4) and the crystalline amino acid (7) are dissolved in a solvent (9) and a worked-up amino acid salt solution (15) is thereby obtained.

ABSORBENT SOLUTION CONTAINING A COMBINATION OF DEGRADATION INHIBITORS HAVING A THIADIAZOLE DERIVATIVE AND METHOD FOR ABSORPTION OF ACIDIC COMPOUNDS CONTAINED IN A GASEOUS EFFLUENT

Absorbent solution (I), comprises: (a) at least one amine; (b) water; and (c) at least one combination of first degradation inhibitor compound with second degradation inhibitor compound, where the first degradation inhibitor compound is sulfites and bisulfites, and the second degradation inhibitor compound is azole compound (A). Absorbent solution (I), comprises: (a) at least one amine; (b) water; and (c) at least one combination of first degradation inhibitor compound with second degradation inhibitor compound, where the first degradation inhibitor compound is sulfites and bisulfites, and the second degradation inhibitor compound is azole compound of formula (A). X, Z : H, alkaline element or alkaline-earth element, a monovalent or multivalent metal, ammonium cation NH 4 +>, phosphonium cation, or 1-12C hydrocarbon group; R : -S-Z, H, -R1-R2 or -NR3R4; R1 : 1-12C hydrocarbon group or O; R2 : 1-12C hydrocarbon group; and R3, R4 : H or 1-12C hydrocarbon group. Independent claims are included for: (1) process for absorbing acidic compounds contained in a gaseous effluent, comprising contacting the gaseous effluent with an absorbent solution; and (2) process for capturing carbon dioxide contained in the flue gases, comprising contacting the flue gases with an absorbent solution.

Gas Dehydration

Embodiments relate to a gas dehydration drying agent solution composition, comprising a solvent that includes at least one glycol having a number average molecular weight from 40 g/mol to 500 g/mol and from 0.01 wt % to 8.00 wt % of a cyclohexylamino sulfonic salt.

METHOD FOR REMOVAL OF SOx FROM GAS USING COMPOUND AMINE ALCOHOL SOLUTION.

Se proporciona un método para eliminar SOx de un gas mediante el uso de una solución de compuesto de alcohol y amina. La solución de compuesto de alcohol y amina se elabora mezclando etilenglicol y/o polietilenglicol con un compuesto orgánico hidroxilo y/o carboxilo que tiene un grupo básico que contiene nitrógeno. La solución de compuesto de alcohol y amina se pone en contacto con el gas que contiene SOx para absorber el SOx en el gas, en donde x = 2 y/o 3. La solución de compuesto de alcohol y amina con SOx absorbido se regenera mediante uno o más de: el método de calentamiento, el método de vacío, el método de separación de gas, el método con ultrasonido, el método con microondas y el método con radiación para liberar subproductos de dióxido de azufre y trióxido de azufre y la solución de compuesto de alcohol y amina regenerada se recicla para su uso. Este método se puede usar para eliminar SOx de gas de combustión, gas de quema, gas de horno de coque, gas residual de síntesis de plantas de colorantes, gas de aguas servidas de plantas de fibras químicas y otros gases que se usan como materia prima industrial o gases residuales que contienen S.

Method and device for treatment of an amino acid salt solution that is contaminated with carbon dioxide

A device and a method are for treatment of an amino acid salt solution that is contaminated with carbon dioxide and is an absorbent for carbon dioxide from a flue gas of a combustion, and includes a reaction process, a following filtration process and a following dissolution process. In the reaction process, carbon dioxide is introduced into the amino acid salt solution, and the amino acid salt solution is cooled. In this case crystalline carbonate and crystalline amino acid precipitate out. In the filtration process, the crystalline carbonate and the crystalline amino acid are filtered off. In the dissolution process the crystalline carbonate and the crystalline amino acid are dissolved in a solvent and a treated amino acid salt solution is thereby recovered.

Carbon dioxide capture system and method of capturing carbon dioxide

Preparation of an amine based solvent contaminated by the introduction of sulfur oxides

본 발명은 산화황의 도입에 의해 오염된 아민계 용매 (1)를 처리하는 방법 및 장치에 관한 것이다. 오염된 용매 (1)를 냉각하고 칼륨 화합물을 가함으로써 황산칼륨의 농도를 황산칼륨의 용해도 한계를 넘는 값으로 높여 황산칼륨을 침전시킨다. 황산칼륨을 여과 제거하고, 가공된 용매 (3)를 생성한다. The present invention relates to a method and apparatus for treating an amine-based solvent (1) contaminated by the introduction of sulfur oxides. The contaminated solvent (1) is cooled and the potassium compound is added to raise the concentration of potassium sulfate to a value exceeding the solubility limit of potassium sulfate to precipitate potassium sulfate. The potassium sulfate is filtered off to give the worked-up solvent (3).

Corrosive gas chemical decontamination system

La présente invention porte sur l’utilisation d’une composition comprenant au moins un agent neutralisant acido-basique pour décontaminer une atmosphère contaminée par un gaz corrosif, ledit agent neutralisant acido-basique présentant au moins 2 pKa et étant caractérisé en ce que:- pKa1 ≤ pKa 2- pKa 1>2- pKa 2<12- 4< ½ (pKa 1 +pKa 2) < 10pKa 1 représentant le plus petit des pKa basiques et pKa 2 représentant le plus grand des pKa acides.La présente invention porte également sur un procédé de décontamination d’une atmosphère contaminée par un gaz corrosif comprenant la pulvérisation dudit agent neutralisant, et sur un dispositif de décontamination.Pas de figure. The present invention relates to the use of a composition comprising at least one acid-base neutralizing agent for decontaminating an atmosphere contaminated with a corrosive gas, said acid-base neutralizing agent having at least 2 pKa and being characterized in that: - pKa1 ≤ pKa 2- pKa 1> 2- pKa 2 <12- 4 <½ (pKa 1 + pKa 2) <10pKa 1 representing the smallest of the basic pKa and pKa 2 representing the largest of the acid pKa. The present invention relates to also on a process for decontaminating an atmosphere contaminated by a corrosive gas comprising the spraying of said neutralizing agent, and on a decontamination device. No figure.

Co2 capture methods using thermovibrio ammonificans carbonic anhydrase

Use of Thermovibrio ammonificans carbonic anhydrase (TACA) or mutants thereof for catalyzing the hydration reaction of CO2 into bicarbonate and hydrogen ions or catalyzing the desorption reaction to produce a CO2 gas.

Method for absorption of acid gases

The invention is directed to a method for preparing a gas mixture depleted in gaseous acid compounds, comprising the steps of: a) contacting in a first container a gas mixture comprising gaseous acid compounds with a slurry comprising a first solution of an amino acid and a solid salt of said amino acid, thereby obtaining a slurry loaded with at least part of said acid compounds and a semi-lean gas mixture; and b) contacting in a second container said semi-lean gas mixture with a second solution of an amino acid, thereby obtaining a second solution loaded with at least part of said acid compounds and a lean gas mixture depleted in said gaseous acid compounds.

Formulation and process for co2 capture using amino acids and biocatalysts

A formulation and a process for CO2 capture, where a CO2-containing gas in contacted with water, biocatalyst and an amino acid compound, enabling the dissolution and transformation of the CO2 into bicarbonate ions and hydrogen ions, producing an ion-rich solution and a CO2-depleted gas. The amino acids may present slow absorption kinetics and having elevated stability such that absorption is enhanced in combination with the biocatalyst. The amino acid compound and the biocatalyst may be selected such that the active sites of the biocatalyst benefit from proton removal facilitated by the amino acid compounds, thus improving the CO2 absorption.

Method and device for the treatment of a gas stream, in particular for the treatment of a natural gas stream

A method for the treatment of a gas stream, wherein before the combustion of the gas stream, hydrogen sulfide is separated out of the gas stream in a first absorber by an absorption medium, the treated gas stream purified of hydrogen sulfide is burnt in a combustion apparatus, the carbon dioxide contained in the exhaust gas of the burnt gas stream after combustion is separated in a second absorber by an absorption medium, and the separated hydrogen sulfide and carbon dioxide are separated in at least one desorber from the absorption medium for the regeneration of the latter. The same absorption medium separates the hydrogen sulfide out of the gas stream and the carbon dioxide out of the exhaust gas. A corresponding device for the treatment of a gas stream has a first absorber and a second absorber flow-connected to one another for the exchange of absorption medium.