Method for recovery of cobalt and manganese from spent cobalt-manganese-bromine (cmb) catalyst and method for producing cmb catalyst including the recovery method

Disclosed is a method for recovering cobalt and manganese from a spent cobalt-manganese-bromine (CMB) catalyst. The method includes (a) continuously leaching a spent CMB catalyst with sulfuric acid, (b) separating the leachate into a solution and a residue, (c) extracting the solution with a solvent, and (d) washing the extract with water. According to the method, high-purity cobalt and manganese can be recovered in high yield from a spent CMB catalyst while minimizing the amount of impurities. Further disclosed is a method for producing a CMB liquid catalyst from the extract containing cobalt and manganese obtained by the recovery method.

PRODUCTION OF METAL PRODUCTS DIRECTLY FROM UNDERGROUND ORE DEPOSITS

A process for producing metal compounds directly from underground mineral deposits including steps of forming a borehole at a site into a mineral deposit containing metal compounds, inserting a slurry-forming device having a nozzle into the borehole adapted to direct pressurized water through the nozzle into the mineral deposit, supplying pressured water through the nozzle into the mineral deposit forming a mineral slurry containing metal compounds, extracting the mineral slurry containing metal compounds through the borehole, leaching the mineral slurry converting the metal compounds to a soluble form in a leach solution, and removing metals and metal compounds by treating the leach solution with an extraction treatment removing the metal products. Steps of leaching the mineral slurry and removing metal products are performed at a location remote from the borehole site. In one alternative, the step of removing metal products from mineral slurry is accomplished by pyrometallurgical processes. 1. A process for producing metal compounds directly from underground mineral deposits in an environmentally sensitive area comprising the steps of:(a) forming a borehole from an accessible site into an underground mineral deposit containing metal compounds including oxides of manganese beneath the environmentally sensitive area;(b) inserting a slurry-forming device having a nozzle into the borehole adapted to direct pressurized water through the nozzle into the mineral deposit under the environmentally sensitive area;(c) supplying pressured water through the nozzle of the slurry-forming device into the mineral deposit forming a mineral slurry containing the metal compounds from the mineral deposit under the environmentally sensitive area;(d) extracting and dewatering the mineral slurry containing the metal compounds through the borehole in the environmentally sensitive area;(e) transporting the dewatered mineral slurry as extracted from the mineral deposit away from the ...

METHOD FOR RECOVERING VALUABLE METALS FROM LITHIUM SECONDARY BATTERY WASTES

Valuable metals such as cobalt, nickel, manganese, and lithium can be economically recovered from various lithium secondary battery-related wastes by the inventive method which comprises liquid-phase leaching a scrap powder containing Co, Ni, Mn, and Li, and purifying and solvent-extracting the resulting leaching solution to recover each of said Co, Ni, Mn, and Li, wherein the liquid-phase leaching is performed by a two-step counter-current leaching using an inorganic acid solution or a mixed solution of an inorganic acid and hydrogen peroxide. 1. A method for recovering valuable metals comprising:liquid-phase leaching a scrap powder containing Co, Ni, Mn, and Li, and purifying and solvent-extracting the resulting leaching solution to recover each of said Co, Ni, Mn, and Li, wherein the liquid-phase leaching is performed by a two-step counter-current leaching using an inorganic acid solution or a mixed solution of an inorganic acid and hydrogen peroxide.2. The method of claim 1 , wherein the inorganic acid solution is a sulfuric acid solution having a concentration of 240 g/L or higher.3. The method of claim 1 , wherein the hydrogen peroxide is used in an amount of no less than 20 g based on 1 L of the inorganic acid solution.4. The method of claim 1 , wherein in the two-step counter-current leaching claim 1 , the first and the second steps are each independently performed at a temperature ranging from 60 to 80° C. for 4 to 6 hrs.5. The method of claim 1 , wherein the purification of the leaching solution is performed by adding CaCOthereto claim 1 , adjusting the pH of the solution to 4.5 to 5.0 by adding a dilute NaOH solution thereto claim 1 , further adding NaSH thereto claim 1 , and then filtering the resulting solution.6. The method of claim 1 , wherein the recovery of each of Co claim 1 , Ni claim 1 , Mn claim 1 , and Li is achieved by conducting respective extractions of Mn claim 1 , Co claim 1 , and Ni in order to obtain a solution containing only lithium ...

PROCESS FOR PREPARING MIXED CARBONATES WHICH MAY COMPRISE HYDROXIDE(S)

A process for batchwise preparation of carbonates of at least two transition metals which may comprise hydroxide(s) of the corresponding transition metals, which comprises combining at least one aqueous solution comprising at least two transition metal salts having cations of at least two different transition metals overall with at least one solution of at least one carbonate or hydrogencarbonate of at least one alkali metal or ammonium, 1. A process for batchwise preparation of carbonates of at least two transition metals which may comprise hydroxide(s) of the corresponding transition metals , which comprises combining at least one aqueous solution comprising at least two transition metal salts having cations of at least two different transition metals overall with at least one solution of at least one carbonate or hydrogencarbonate of at least one alkali metal or ammonium ,introducing a stirrer power of at least 0.25 W/l,and keeping the reaction volume essentially constant during the admixing with alkali metal (hydrogen)carbonate by removing liquid phase while adding solution of alkali metal (hydrogen)carbonate or alkali metal hydroxide.2. The process according to claim 1 , which is performed in the presence of at least one complexing agent other than water.3. The process according to or claim 1 , which is performed for at least some of the time at a solids concentration of at least 500 g/l.4. The process according to any of to claim 1 , wherein the reactor system selected is a reaction vessel having at least one apparatus by which solid/liquid separations can be conducted.5. The process according to claim 4 , wherein the apparatus by which solid/liquid separations can be conducted is selected from sedimenters claim 4 , lamellar clarifiers claim 4 , centrifuges and units for inverse filtrations.6. The process according to any of to claim 4 , wherein the reactor system selected is a tank having a pumped circulation system.7. The process according to any of to claim ...

SELECTIVE RECOVERY OF MANGANESE, LEAD AND ZINC

This invention relates to a method for the selective recovery of manganese and zinc from brines that includes the steps of contacting a brine with an ionic liquid in order to selectively extract manganese and zinc from the brine into the ionic liquid; and treating the ionic liquid containing extracted manganese and zinc with an aqueous solution to selectively precipitate manganese, producing a manganese depleted, zinc rich ionic liquid. The method can further include the steps of treating the manganese depleted, zinc rich ionic liquid with an aqueous solution to selectively precipitate zinc. 1. A method for recovering manganese from a brine , the method comprising the steps of:providing a brine, said brine comprising manganese;contacting said brine with an ionic liquid and producing an ionic liquid comprising extracted manganese; andtreating said ionic liquid comprising extracted manganese with an aqueous solution to selectively recover manganese from the ionic liquid.2. A method for recovering manganese and zinc from a brine , the method comprising the steps of:providing a brine, said brine comprising manganese and zinc;contacting said brine with an ionic liquid to selectively extract manganese and zinc from said brine and produce an ionic liquid comprising extracted manganese and zinc; andtreating said ionic liquid comprising extracted manganese and zinc with an aqueous solution to selectively recover manganese from the ionic liquid, producing a manganese depleted, zinc rich ionic liquid.3. The method of claim 2 , further comprising the step of treating said manganese depleted claim 2 , zinc rich ionic liquid with an aqueous solution to selectively recover zinc from the manganese depleted claim 2 , zinc rich ionic liquid.4. The method according to claim 1 , wherein the ionic liquid is trihexyl(tetradecyl) phosphonium chloride.5. The method according to claim 1 , wherein the aqueous solution used to recover manganese from the ionic liquid is water.6. The method ...

Selective Recovery of Manganese and Zinc From Geothermal Brines

This invention relates to a method for the selective recovery of manganese and zinc from geothermal brines that includes the steps of removing silica and iron from the brine, oxidizing the manganese and zinc to form precipitates thereof, recovering the manganese and zinc precipitates, solubilizing the manganese and zinc precipitates, purifying the manganese and zinc, and forming a manganese precipitate, and recovering the zinc by electrochemical means. 120-. (canceled)21. A method for recovering zinc and manganese from a brine , the method comprising the steps of:providing a brine, said brine comprising manganese and zinc;selectively removing silica and iron from the brine to produce a substantially silica free brine;adjusting the pH of the substantially silica free brine to a pH suitable to form precipitates of zinc and manganese, such that precipitates of zinc and manganese are selectively formed and other metal precipitates are not formed;separating the zinc and manganese precipitates from the brine.22. The method of wherein the precipitates of zinc and manganese are dissolved in an acid.23. The method of wherein the precipitates of zinc and manganese are dissolved in ammonium sulfate.24. The method of wherein the step of selectively removing silica and iron from the brine comprises providing iron (III) at a pH of between about 4.5 and 6 and precipitating the silica and iron from the brine.25. The method of wherein the step of precipitating the zinc and manganese comprises adding sufficient base to adjust the pH to between 6 and 8 and providing an air oxidant to the substantially silica free brine.26. The method of further comprising contacting the zinc with hydrochloric acid to produce zinc chloride.27. A method for recovering zinc and manganese from a brine claim 21 , the method comprising the steps of:providing a brine, said brine comprising manganese and zinc;selectively removing silica and iron from the brine to produce a substantially silica free brine; ...

METHOD AND APPARATUS FOR RECYCLING LITHIUM-ION BATTERIES

Cathode material from exhausted lithium ion batteries are dissolved in a solution for extracting the useful elements Co (cobalt), Ni (nickel), Mn (manganese), Li (lithium), and Fe (iron) to produce active cathode materials for new batteries. The solution includes compounds of desirable materials such as cobalt, nickel and manganese dissolved as compounds from the exhausted cathode material of spent cells. Depending on a desired proportion, or ratio, of the desired materials, raw materials are added to the solution to achieve the desired ratio of the commingled compounds for the recycled cathode material for new cells. The desired materials precipitate out of solution without extensive heating or separation of the desired materials into individual compounds or elements. The resulting active cathode material has the predetermined ratio for use in new cells, and avoids high heat typically required to separate the useful elements because the desired materials remain commingled in solution. 1. A method of recycling batteries comprising:generating a solution of aggregate battery materials from spent cells;precipitating impurities from the generated solution;adjusting the solution to achieve a predetermined ratio of desirable materials; andprecipitating the desirable material in the predetermined ratio to form cathode material for a new battery having the predetermined ratio of the desirable materials.2. The method of wherein the desirable materials remain commingled during precipitation.3. The method of further comprising maintaining a temperature of the solution sufficiently low to maintain a structure of the cathode material compounds.4. The method of wherein adjusting the solution includesidentifying a desired ratio of the desirable materials for use in recycled cathode material resulting from the generated solution;adding raw materials to achieve the desired ratio, the raw materials including additional quantities of the desirable materials; andadjusting a pH of the ...

METHOD FOR RECOVERING ACTIVE MATERIAL FROM WASTE BATTERY MATERIAL

Method of recovering active material from waste battery materials comprises: (1) an electrode material mixture recovery step of separating an electrode from the waste battery material to recover an electrode material mixture including the active material, a conductive material, and a binder from the electrode; (2) an activation agent mixing step of mixing an activation agent including one or more alkali metal compounds with the recovered electrode material mixture; (3) an activation step of heating the obtained mixture to a retention temperature not less than a melting start temperature of the activation agent to activate the active material included in the mixture; and (4) an active material recovery step of recovering the activated active material from a mixture obtained as a result of cooling after the activation step. 1. A method for producing an active material by recovering the active material from a waste battery material , the method comprising the following steps:(1) an electrode material mixture recovery step of separating an electrode from the waste battery material to recover an electrode material mixture including the active material, a conductive material, and a binder from the electrode;(2) an activation agent mixing step of mixing an activation agent including one or more alkali metal compounds with the recovered electrode material mixture;(3) an activation step of heating the obtained mixture to a retention temperature not less than a melting start temperature of the activation agent to activate the active material included in the mixture; and(4) an active material recovery step of recovering the activated active material from a mixture obtained as a result of cooling after the activation step.2. The method according to claim 1 , wherein the active material is a positive electrode active material.3. The method according to claim 2 , wherein the positive electrode active material is a positive electrode active material of a non-aqueous secondary ...

METHOD FOR MANUFACTURING HIGH PURITY MANGANESE AND HIGH PURITY MANGANESE

The present invention relates to a method for manufacturing a high purity Mn, the method comprising: placing a flake-like electrolytic Mn raw material in a magnesia crucible to perform melting with the use of a vacuum induction melting furnace (VIM furnace) at a melting temperature of 1240 to 1400° C. under an inert atmosphere of 500 Torr or less; then adding calcium in a range between 0.5 and 2.0% of the weight of Mn to perform deoxidation and desulfurization; casting the resultant in an iron mold after the completion of the deoxidation and desulfurization to manufacture an ingot; then placing the Mn ingot into a magnesia crucible to perform melting with the use of a vacuum induction melting furnace (VIM furnace) at a melting temperature, which is adjusted to 1200 to 1450° C. and maintained for 10 to 60 minutes, under an inert atmosphere of 200 Torr or less; casting the resultant in an iron mold to manufacture an ingot; then placing the metal Mn ingot in an alumina crucible; reducing pressure to 0.01 Torr with a vacuum pump; and then heating to develop a sublimation and distillation reaction. Provided is a method for manufacturing a high purity metal Mn from a commercially available electrolytic Mn. In particular, an object is to obtain a high purity metal Mn in which the amount of impurities such as B, Mg, Al and Si is small. 1. A method for manufacturing a high purity Mn , the method comprising: placing an Mn raw material in a magnesia crucible to perform melting with the use of a vacuum induction melting furnace (VIM furnace) at a melting temperature of 1240 to 1400° C. under an inert atmosphere of 500 Torr or less; then adding calcium (Ca) in a range between 0.5 and 2.0% of the weight of Mn to perform deoxidation and desulfurization; casting the resultant in an iron mold after the completion of the deoxidation and desulfurization to manufacture an ingot; then placing the Mn ingot in a magnesia crucible to perform melting with the use of a vacuum induction ...

Battery recycling with electrolysis of the leach to remove copper impurities

The present disclosure relates to a process for the recovery of transition metals from batteries comprising treating a transition metal material with a leaching agent to yield a leach which contains dissolved copper impurities, and depositing the dissolved copper impurities as elemental copper on a particulate deposition cathode by electrolysis of an electrolyte containing the leach.

METHOD FOR SIMULTANEOUSLY RECOVERING COBALT AND MANGANESE FROM LITHIUM BASED BATTERY

The present invention relates to a method of simultaneously recovering cobalt (Co) and manganese (Mn) from lithium-based BATTERY, and more particularly, to a method that is capable of simultaneously recovering cobalt and manganese from lithium-based BATTERY, i.e., recycled resources that contain large amounts of cobalt and manganese, with high purities using multistage leaching and electrowinning methods. According to the method of the present invention, cobalt and manganese can be simultaneously recovered from lithium-based BATTERY as recycled resources, and a recovery method that is cost-effective compared to conventional methods can be provided. 1. A method of simultaneously recovering cobalt and manganese from lithium-based BATTERY , the method comprising:(1) heat-treating the lithium-based BATTERY;(2) grinding the heat-treated BATTERY to obtain ground particles, and separating particles having a particle size of 12 mesh or less from the ground particles;(3) subjecting the separated particles to multistage leaching;(4) adding 2-ethylhexyl phosphonic acid mono-2-ethylhexyl ester (PC88A) to a product of the multistage leaching to obtain an electrowinning solution;(5) subjecting the electrowinning solution to electrowinning using circulation-type electrodes, the electrodes including a cathode made of stainless steel and an anode made of a 93% Pb-7% Sn alloy; and(6) washing.2. The method of claim 1 , wherein the lithium-based BATTERY are a mixture of lithium-ion BATTERY and lithium primary BATTERY.3. The method of claim 1 , wherein the electrowinning is performed in an electrolytic cell at a pH of 2 or more.4. The method of claim 1 , wherein the electrowinning is performed in an electrolytic cell at a current density of 0.025-0.065 A/cm.5. The method of claim 1 , wherein the electrowinning is performed in an electrolytic cell at a temperature of 30-60° C.6. The method of claim 1 , wherein a concentration of cobalt ions in the electrowinning is 15-20 g/L or higher.7. ...

METHOD FOR INHIBITING EXTRACTANT DEGRADATION OF DSX PROCESS THROUGH MANGANESE EXTRACTION CONTROL

Provided is a method for inhibiting extractant degradation in the DSX process through the manganese extraction control, the method comprising: (a) stirring DSX solvent and DSX feed solution, which is a solution containing a valuable metal from which iron has been removed in an agitator, in which soda ash (NaCO) is further added to maintain a constant pH; and (b) scrubbing the manganese from the DSX solvent, extracted in step (a). 1. A method for inhibiting extractant degradation in a DSX process through a manganese extraction control , the method comprising:{'sub': 2', '3, '(a) stirring DSX solvent and DSX feed solution, which is a solution containing a valuable metal from which iron has been removed by a step of removing iron, in which soda ash (NaCO) is further added to maintain a constant pH; and'}(b) scrubbing the manganese from the DSX solvent, extracted in step (a)2. The method of claim 1 , wherein a plurality of agitators is used in step (a) claim 1 , and the DSX feed solution and DSX solvent extracting cobalt and zinc in the first agitator are sequentially treated in the same manner in the next agitator.3. The method of claim 1 , wherein the DSX feed solution of step (a) includes cobalt (Co) and zinc (Zn) claim 1 ,the raffinate further includes aluminum (Al) and manganese (Mn), andthe raffinate further include at least one of cadmium (Cd), copper (Cu), potassium (K), magnesium (Mg), calcium (Ca), sodium (Na), and nickel (Ni).4. The method of claim 1 , wherein the DSX solvent of step (a) is a mixture of an extractant and kerosene claim 1 , which is a diluent claim 1 , andthe extractant includes aliphatic hydroxy oxime and neodecanoic acid in a volume ratio of 1:0.5 to 4.0.5. The method of claim 1 , wherein the DSX solvent and DSX feed solution are input in a volume ratio of 1:0.5 to 2 in step (a) claim 1 , andthe stirring temperature is 35° C. to 55° C. and the stirring time is 0.5 minutes to 3 minutes in step (a).6. The method of claim 1 , wherein the ...

METHOD FOR MANUFACTURING HIGH PURITY MANGANESE AND HIGH PURITY MANGANESE

The present invention relates to a method for manufacturing a high purity Mn, the method comprising: placing a Mn raw material in a magnesia crucible to perform melting with the use of a vacuum induction melting furnace (VIM furnace) at a melting temperature of 1240 to 1400° C. under an inert atmosphere of 500 Torr or less; then adding calcium in a range between 0.5 and 2.0% of the weight of Mn to perform deoxidation and desulfurization; casting the resultant in an iron mold after the completion of the deoxidation and desulfurization to manufacture an ingot; then placing the Mn ingot in a skull melting furnace; reducing pressure to 10Torr or less with a vacuum pump; starting heating and keeping the Mn in a molten state for 10 to 60 minutes; and then ending the melting reaction for obtaining a high purity metal Mn. Provided is a method for manufacturing a high purity metal Mn from a commercially available electrolytic Mn. In particular, an object is to obtain a high purity metal Mn in which the amount of impurities such as B, Mg, Al and Si is small. 1. A method for manufacturing a high purity Mn , the method comprising: placing a Mn raw material in a magnesia crucible to perform melting with the use of a vacuum induction melting furnace (VIM furnace) at a melting temperature of 1240 to 1400° C. under an inert atmosphere of 500 Torr or less; then adding calcium (Ca) in a range between 0.5 and 2.0% of the weight of Mn to perform deoxidation and desulfurization; casting the resultant in an iron mold after the completion of the deoxidation and desulfurization to manufacture an ingot; then placing the Mn ingot in a skull melting furnace; reducing pressure to 10Torr or less with a vacuum pump; starting heating and keeping the Mn in a molten state for 10 to 60 minutes; and then ending the melting reaction for obtaining a high purity Mn.2. A high purity Mn refined via vacuum induction melting (VIM) and skull melting , wherein a total amount of B , Mg , Al , Si , S , Ca , Cr ...

METHOD FOR RECYCLING LITHIUM BATTERIES

The invention relates to a method for recycling used lithium batteries containing the steps: (a) digestion of comminuted material (), which contains comminuted components of electrodes of lithium batteries, using concentrated sulphuric acid () at a digestion temperature (T) of at least 100° C., in particular at least 140° C., so that waste gas () and a digestion material () are produced, (b) discharge of the waste gas () and (c) wet chemical extraction of at least one metallic component of the digestion material (). 1. A method for recycling lithium batteries containing:{'sub': 'A', 'digesting comminuted material which contains comminuted components of electrodes of lithium batteries, using concentrated sulphuric acid at a digestion temperature Tof at least 100° C., so that waste gas and a digestion material are produced,'}discharging of the waste gas, andperforming wet chemical extraction of at least one metallic component of the digestion material.2. The method according to claim 1 , whereinthe digestion is conducted in such a way that fluoride components in the comminuted material pass into the waste gas as hydrogen fluoride.3. The method according to wherein digesting is conducted until a concentration of water-soluble fluoride in the digestion material is lower than 100 mg/kg.4. The method according to wherein the concentrated sulphuric acid is utilised at least stoichiometrically during digestion.5. The method according to further comprising separating hydrogen fluoride from the waste gas.6. The method according to claim 1 , further comprising:leaching of the digestion material, andseparating graphite from the digestion material, thereby producing a raw fluid.7. The method according to claim 6 , further comprising separatingcopper from the raw fluid so that a de-copperised raw fluid is obtained.8. The method according to claim 1 , further comprising:{'sup': 2+', '3+, 'oxidizing Fe ions in the de-copperised raw fluid to Fe ions, and'}precipitating of iron and/ ...

Method and Apparatus For High Temperature Production of Metals

Carbothermic reduction of magnesium oxide at approximately 2200 degrees Kelvin yields a high temperature mixture of magnesium vapors and carbon monoxide gas. Previous processes have sought to cool or alter the mixture to cause the yield of pure magnesium, which is then used in subsequent processes for its reducing properties. The present invention takes advantage of the stability and inertness of carbon monoxide at elevated temperatures enabling the magnesium vapor/carbon monoxide gas mixture from the carbothermic process to be used directly for the production of other metals at high temperatures. For example, Chromium oxide or chloride, manganese oxide or chloride, zinc oxide or chloride or sulfide, and several other metal compounds can be reduced by the magnesium vapor/carbon monoxide gas mixture at temperatures high enough to prevent the gas mixture from back-reacting to magnesium oxide and carbon. 1. A method for reduction of metal oxides , hydroxides , halides , sulfides or polyatomic compounds thereof including the steps of:conducting carbothermic reduction of magnesium oxide in the presence of carbon at an elevated temperature of from 1500 to 2600 degrees Kelvin, producing a mixture of magnesium vapor and carbon monoxide gas and contacting said metal oxides, hydroxides, halides, sulfides or polyatomic compounds thereof with said mixture at said elevated temperature,preventing said mixture of magnesium vapor and carbon monoxide gas from undergoing back-reaction to magnesium oxide and carbon,whereby said magnesium vapor effects reduction of said metal oxides, hydroxides, halides, sulfides or polyatomic compounds thereof to metallic forms with the production of magnesium oxide or halide, andwhereby said magnesium oxide is recovered and recycled to said carbothermic reduction.2. The method of wherein said elevated temperature is from 2000 to 2400 degrees Kelvin.3. The method of wherein said elevated temperature is about 2200 degrees Kelvin.4. The method of ...

Method for manufacturing manganese raw material and method for manufacturing manganese-containing molten steel

A manufacturing method includes a first pulverization step of compressively pulverizing a manganese oxide-containing material containing at least manganese, calcium, silicon, iron, and phosphorus, which is used as a raw material, to form a composite in which a compound phase of nCaO.P2O5 is combined with at least one phase of a spinel phase and a calcium ferrite phase, which are ferromagnetic materials, and produce a first pulverized manganese oxide-containing material containing the composite; a first magnetic separation step of separating the first pulverized manganese oxide-containing material produced in the pulverization step into a magnetic substance and a non-magnetic substance under a magnetic force; and a step of recovering the non-magnetic substance separated in the first magnetic separation step as a manganese raw material.

Process for the recovery of metals from polymetallic nodules

The present disclosure concerns a process for the recovery of valuable metals from polymetallic nodules. A two-stage process using SO2 in an acidic aqueous media is disclosed. In a first step, performed in mildly acidic conditions, Mn, Ni, and Co are dissolved; in a second, more acidic step, Cu is dissolved. Under these conditions, the leachate of the first step contains most of the Mn, Ni, and Co, while being nearly Cu-free. The Ni and Co are precipitated as sulfides; the Mn can be recovered as sulfate by crystallization. Cu, which is leached in the second step, is secretively precipitated, also as sulfide.

Process for depleting calcium and/or iron from geothermal brines

This invention relates generally to processes for extracting iron and/or calcium from geothermal brines.

Process, apparatus, and system for recovering materials from batteries

An apparatus for carrying out size reduction of battery materials under immersion conditions can include a housing configured to hold an immersion liquid comprising at least one of sodium hydroxide and calcium hydroxide. A first feed chute may define an opening therein for receiving battery materials of a first type into the housing and a first submergible comminuting device may be disposed within the housing and submerged in the immersion liquid to receive the battery materials of the first type from the first feed chute. The first submergible comminuting device may be configured to cause a size reduction of the battery materials of the first type to form a first reduced-size battery material.

Process, apparatus, and system for recovering materials from batteries

An apparatus for carrying out size reduction of battery materials under immersion conditions can include a housing configured to hold an immersion liquid comprising at least one of sodium hydroxide and calcium hydroxide. A first feed chute may define an opening therein for receiving battery materials of a first type into the housing and a first submergible comminuting device may be disposed within the housing and submerged in the immersion liquid to receive the battery materials of the first type from the first feed chute. The first submergible comminuting device may be configured to cause a size reduction of the battery materials of the first type to form a first reduced-size battery material.

SYSTEM FOR PROCESSING RED MUD AND METHOD OF PROCESSING RED MUD

A method of processing red mud comprising: heating red mud to a predetermined temperature; grinding the red mud to a predetermined particle size; and physically extracting iron components from the red mud; physically extracting aluminum components from the red mud, said physically extracting of aluminum components being separate from the physically extracting of iron components, wherein the steps of physically extracting iron components and physically extracting aluminum components are performed without requiring addition of chemical additives to the red mud. 1. A method of processing red mud comprising:heating red mud to a predetermined temperature;grinding the red mud to a predetermined particle size; andphysically extracting iron components from the red mud;physically extracting aluminum components from the red mud, said physically extracting of aluminum components being separate from the physically extracting of iron components,wherein the steps of physically extracting iron components and physically extracting aluminum components are performed without requiring addition of chemical additives to the red mud.2. The method of claim 1 , wherein the predetermined temperature is at least 600° C.3. The method of claim 1 , wherein the predetermined temperature is at least 1400° C. and the heating step comprises removing caustic soda from the red mud.4. The method of claim 1 , wherein the heating step comprises converting silicon components in the red mud to glass.5. The method of claim 1 , wherein physically extracting iron components comprises magnetic extraction of iron components from the red mud and physically extracting aluminum components comprises gravity separation of aluminum components from the red mud.6. The method of claim 1 , wherein the physically extracting of iron components obtains extracted iron components and iron-separated red mud claim 1 , and wherein the physically extracting of aluminum components comprises physically extracting aluminum ...

Method and apparatus for recycling lithium-ion batteries

Cathode material from exhausted lithium ion batteries are dissolved in a solution for extracting the useful elements Co (cobalt), Ni (nickel), Al (Aluminum) and Mn (manganese) to produce active cathode materials for new batteries. The solution includes compounds of desirable materials such as cobalt, nickel, aluminum and manganese dissolved as compounds from the exhausted cathode material of spent cells. Depending on a desired proportion, or ratio, of the desired materials, raw materials are added to the solution to achieve the desired ratio of the commingled compounds for the recycled cathode material for new cells. The desired materials precipitate out of solution without extensive heating or separation of the desired materials into individual compounds or elements. The resulting active cathode material has the predetermined ratio for use in new cells, and avoids high heat typically required to separate the useful elements because the desired materials remain commingled in solution.

PROCESS, APPARATUS, AND SYSTEM FOR RECOVERING MATERIALS FROM BATTERIES

The present application provides a process to recover materials from rechargeable lithium-ion batteries, thus recycling them. The process involves processing the batteries into a size-reduced feed stream; and then, via a series of separation, isolation, and/or leaching steps, allows for recovery of a copper product, cobalt, nickel, and/or manganese product, and a lithium product; and, optional recovery of a ferrous product, aluminum product, graphite product, etc An apparatus and system for carrying out size reduction of batteries under immersion conditions is also provided. 1. An apparatus for carrying out size reduction of battery materials under immersion conditions , comprising:a housing configured to hold an immersion liquid;a first feed chute defining an opening therein for receiving battery materials of a first type into the housing;a second feed chute defining an opening therein for receiving battery materials of a second type into the housing;a first submergible comminuting device disposed within the housing to receive the battery materials of the first type from the first feed chute, wherein said first submergible comminuting device is configured to cause a size reduction of the battery materials of the first type to form a first reduced-size battery material; anda second submergible comminuting device disposed within the housing to receive the first reduced-size battery material from the first submergible comminuting device, wherein the second submergible comminuting device is configured to cause a further size reduction in the first reduced-size battery material to form a second reduced-size battery materiala delivering apparatus configured to deliver the battery materials of the second type from the second feed chute directly to the second submergible comminuting device, andwherein the second submergible comminuting device is configured to cause a size reduction in the battery materials of the second type.2. (canceled)3. (canceled)4. (canceled)5. ( ...

MANUFACTURING METHOD OF HIGH PURITY MANGANESE SULPHATE FROM THE WASTE LIQUID OF BATTERY RECYCLING PROCESS

Provided is a method of manufacturing high-purity, high-quality manganese sulfate which can be immediately used for manufacturing a lithium ion secondary battery from manganese sulfate waste liquid of a wasted battery. Since impurities are removed from the manganese sulfate waste liquid by using sulfides causing no secondary contamination in the manganese sulfate waste liquid and the manganese sulfate is manufactured by performing evaporation concentration through heating, the manufacturing method is very environment-friendly and economical. Since the manganese recovering process improving the manufacturing yield of the manganese sulfate and the waste water treatment process capable of recycling the source materials and discharging waste water are integrated, the manufacturing method is very efficient and environment-friendly. The manufacturing method is applied to the recycling industry, and thus, it is possible to obtain effects of preventing environmental pollution and facilitating recycling the resources. 1. A method of manufacturing high-purity manganese sulfate from manganese sulfate waste liquid of a wasted battery generated in a wasted battery recycling process , comprising:(a) producing manganese sulfate waste liquid from which an organic materials is removed by allowing the manganese sulfate waste liquid generated in a recycling process of the wasted battery to pass through active carbon;(b) adjusting pH of the organic-material-removed manganese sulfate waste liquid to be in a range of 4 to 7;(c) performing first solid liquid separation on the manganese sulfate waste liquid of which pH is adjusted to be in a range of 4 to 7 to separate first manganese sulfate filtrated liquid and first solid;(d) performing first evaporation concentration on the first manganese sulfate filtrated liquid in a temperature range of 90 to 100° C. to produce first manganese sulfate concentrated liquid;(e) cooling the first manganese sulfate concentrated liquid down to a ...

BATTERY RECYCLING BY TREATMENT OF THE LEACH WITH METALLIC NICKEL

Process for the recovery of transition metal from cathode active materials containing nickel and lithium, wherein said process comprises the steps of (a) treating a lithium containing transition metal oxide material with a leaching agent (preferably an acid selected from sulfuric acid, hydrochloric acid, nitric acid, methanesulfonic acid, oxalic acid and citric acid), (b) adjusting the pH value to 2.5 to 8, and (c) treating the solution obtained in step (b)with metallic nickel, cobalt or manganese or a combination of at least two of the foregoing.

SYSTEM AND METHOD FOR THE RECOVERY OF METAL VALUES FROM SLAGS, DROSSES, AND OTHER METAL-BEARING MATERIALS

A method of recovering metal values from metal-bearing materials such as slags and drosses includes the steps of pulverizing the material to particles less than about 100 μm; leaching the pulverized material with a solution of ammonium chloride, sodium chloride, and potassium chloride; sequentially recovering at least two metals from the leachate by the addition of zinc using a sequential cementation process; and recovering zinc from the solution by electrowinning. 1. A method of recovering metal values from metal-bearing materials such as slags or drosses , comprising:pulverizing the material to particles less than about 100 μm;leaching the pulverized material with a solution of ammonium chloride and at least one alkali or alkali earth chloride;sequentially recovering at least two metals from the leachate by the addition of zinc using a sequential cementation process; andrecovering zinc from the solution by electrowinning.2. The method according to wherein the alkali and alkali earth chlorides include at least one of sodium chloride and potassium chloride.3. (canceled)4. The method according to wherein the material is pulverized to particles less than about 10 μm.5. (canceled)6. (canceled)7. The method according to wherein the leaching is conducted at about 85° C. to about 95° C.8. The method according to wherein the leaching is conducted at atmospheric pressure.9. The method according to further comprising adding sufficient mineral acid to maintain the pH of the leaching solution less than about 3.10. (canceled)11. (canceled)12. The method according to wherein the mineral acid is at least one of HCl and HSO.13. The method according to further comprising raising the pH of leachate to about 4 to precipitate iron.14. The method according to further comprising adding COto precipitate at least one of calcium claim 1 , magnesium claim 1 , and manganese as a carbonate.15. The method according to further comprising passing the leachate through a crystallizer to remove ...

PROCESS FOR THE RECOVERY OF CATHODE MATERIALS IN THE RECYCLING OF BATTERIES

A process for removal of aluminium and iron in the recycling of rechargeable batteries comprising providing a leachate from black mass, adding phosphoric acid (HPO) to said leachate and adjusting the pH to form iron phosphate (FePO) and aluminium phosphate (AlPO), precipitating and removing the formed FePOand AlPO, and forming a filtrate for further recovery of cathode metals, mainly NMC-metals and lithium. 114-. (canceled)15. A process for removal of aluminum and iron in the recycling of rechargeable batteries , said process comprising:providing a leachate from black mass,{'sub': 3', '4, 'adding phosphoric acid (HPO) to the provided leachate,'}{'sub': 4', '4, 'adjusting the pH to form iron phosphate (FePO) and aluminum phosphate (AlPO),'}{'sub': 4', '4, 'precipitating and removing the formed FePOand AlPO, and'}forming a filtrate for recovery of cathode metals.16. The process according to claim 15 , wherein the rechargeable batteries are rechargeable lithium ion batteries.17. The process according to claim 15 , wherein the precipitation is performed in two steps at different pH levels.18. The process according to claim 17 , wherein the pH in a first precipitation step is adjusted to an interval of pH 1.5 to 4.19. The process according to claim 18 , wherein the interval of pH is either: 1.5 to 3.5 or 1.5 to 3.20. The process according to claim 17 , wherein the pH claim 17 , in a second step claim 17 , is adjusted to an interval of pH 2.5 to 6.5.21. The process according to claim 20 , wherein the interval of pH is either: 2.5 to 6 or 2.5 to 4.22. The process according to claim 17 , wherein crystallization seeds are added to precipitate FePOand AlPOin the first precipitation step.23. The process according to claim 22 , wherein the crystallization seeds comprise aluminum and iron phosphate crystals and wherein said seeds are added in an amount of 0.05-0.3 g/L.24. The process according to claim 23 , wherein the amount of added seeds is either 0.05-0.2 g/L or 0.05-0.15 g/ ...

METHOD FOR PRODUCING HIGH-PURITY MANGANESE SULFATE MONOHYDRATE AND HIGH-PURITY MANGANESE SULFATE MONOHYDRATE PRODUCED BY THE METHOD

A method for producing high-purity manganese sulfate monohydrate from a low-grade composition includes acquiring a primary leached manganese solution by adding sulfuric acid and a reductant to a low-grade manganese-containing composition and leaching manganese therefrom; acquiring a secondary leached manganese solution from which primary impurities have been eliminated by adding calcium hydroxide to the primary leached manganese solution; acquiring a tertiary leached manganese solution from which secondary impurities have been eliminated by adding sulfides to the secondary leached manganese solution; acquiring manganese oxide from precipitating manganese by using sodium hydroxide in the tertiary leached manganese solution so as to control the pH thereof; adding sulfuric acid to the manganese oxide and redissolving; and drying the redissolved manganese oxide and acquiring high-purity manganese sulfate monohydrate. Thus the present invention allows production of high-purity manganese sulfate monohydrate from a low-grade manganese-containing composition, for use as material for a secondary battery. 1. A method for producing high-purity manganese sulfate monohydrate (MnSO.HO) , comprising:{'sub': 2', '4, 'leaching manganese from a low-purity manganese-containing substance with sulfuric acid (HSO) and a reductant to give a first manganese leachate;'}{'sub': '2', 'obtaining a second manganese leachate by removing a first impurity from the first manganese leachate with calcium hydroxide (Ca(OH));'}obtaining a third manganese leachate by removing a second impurity from the second manganese leachate with a sulfide;precipitating manganese as a manganese oxide by adjusting pH of the third manganese leachate with sodium hydroxide (NaOH);re-dissolving the manganese oxide with sulfuric acid;{'sub': 4', '2, 'drying the re-dissolved manganese oxide to afford high-purity manganese sulfate monohydrate (MnSO.HO).'}2. The method of claim 1 , wherein sulfuric acid is added in an amount ...

COATING FOR METAL CELLULAR STRUCTURE AND METHOD THEREFOR

A method of fabricating a metal cellular structure includes providing a sol-gel that is a colloid dispersed in a solvent, the colloid including metal-containing regions bound together by polymeric ligands, removing the solvent from the gel using supercritical drying to produce a dry gel of the metal-containing regions bound together by the polymeric ligands, and thermally converting the dry gel to a cellular structure with a coating in at least one step using phase separation of at least two insoluble elements. Also disclosed is a metal cellular structure including interconnected metal ligaments having a cellular structure and a carbon-containing coating around the metal ligaments. 1. A method of fabricating a metal cellular structure with a coating , the method comprising:providing a sol-gel that is a colloid dispersed in a solvent, the colloid including metal-containing regions bound together by polymeric ligands;removing the solvent from the gel using supercritical drying to produce a dry gel of the metal-containing regions bound together by the polymeric ligands; andthermally converting the dry gel to a cellular structure with a coating in at least one step using phase separation of at least two insoluble elements.2. The method as recited in claim 1 , wherein the metal-containing regions are metal oxide claim 1 , and the converting of the metal-containing regions includes reducing the metal oxide to metal.3. The method as recited in claim 1 , wherein the metal of the metal-containing regions is selected from the group consisting of copper claim 1 , chromium claim 1 , molybdenum claim 1 , yittrium claim 1 , zirconium claim 1 , hafnium claim 1 , ruthenium claim 1 , cobalt claim 1 , manganese claim 1 , iron claim 1 , nickel and combinations thereof.4. The method as recited in claim 1 , wherein the providing of the sol includes mixing together a polymer precursor and a metal salt in the solvent.5. The method as recited in claim 4 , wherein the polymer precursor ...

METAL OXIDE PARTICLES AND METHOD OF PRODUCING THEREOF

Methods of producing high purity powders of submicron particles of metal oxides are presented. The methods comprise providing or forming an alloy of a first metal with a second metal, optionally heating the alloy, subjecting the alloy to a leaching agent to remove the second metal from the alloy and to oxidize the first metal, thus forming submicron oxide particles of the first metal. Collections of high purity, high surface area, submicron particles are presented as well. 1. Metal oxide clusters which comprise metal oxide particles at a size range between 3 nm and 200 nm , wherein the metal-oxide particles form a nano-porous structure and have a specific surface area that is larger than 70 m/g.2. The metal oxide clusters of claim 1 , wherein a metal-base purity of said metal oxide particles is larger than 99%.3. The metal oxide clusters of claim 1 , wherein the nano-porous structure has an average pore size of between 5-100 nm.4. The metal oxide clusters of claim 1 , wherein the metal(s) in said metal oxide particles is selected from the group consisting of Ti claim 1 , Fe claim 1 , Zr claim 1 , Hf claim 1 , Cu claim 1 , Co claim 1 , Cr claim 1 , Ni claim 1 , Mo claim 1 , La claim 1 , Nb claim 1 , Ta claim 1 , W claim 1 , V and combinations thereof.5. The metal oxide clusters of claim 4 , wherein the metal in said metal oxide particles includes Cu and Co.6. The metal oxide clusters of claim 5 , wherein the crystalline structure of said metal oxide particles is perovskite claim 5 , spinel or spinel-like.7. The metal oxide clusters of claim 5 , wherein the specific surface area of said copper cobalt spinel particles is larger than 100 m/g.8. The metal oxide clusters of claim 4 , wherein the metal oxide particles are titanium oxide particles.9. The metal oxide clusters of claim 8 , wherein a crystalline structure of said titanium oxide is TiOor a mix of TiOwith crystalline TiO.10. The metal oxide clusters of claim 8 , wherein a specific surface area of said titanium ...

METHOD FOR PRODUCING HIGH-PURITY TRIMANGANESE TETRAOXIDE AND HIGH-PURITY TRIMANGANESE TETRAOXIDE PRODUCED BY THE METHOD

A method for producing high-purity trimanganese tetraoxide from dust containing manganese includes adding sulfuric acid (HSO) and a reductant to manganese dust and leaching manganese therefrom; eliminating primary impurities by adding calcium hydroxide (Ca(OH))) to the leached manganese solution acquired from the leaching step; eliminating secondary impurities by adding sulfides to the leached manganese solution from which primary impurities have been eliminated; precipitating manganese by using sodium hydroxide (NaOH) so as to control the pH in the leached manganese solution from which secondary impurities have been eliminated, and cleaning and drying the precipitated specimen; and acquiring high-purity trimanganese tetraoxide by injecting the dried specimen with air and heat-treating same under oxidizing conditions. Thus the present invention allows high-purity trimanganese tetraoxide to be produced from dust containing manganese, for use as material for a secondary battery. 1. A method for producing high-purity trimanganese tetraoxide (Mn3O4) , comprising:{'sub': 2', '4, 'leaching manganese from manganese-containing dust with sulfuric acid (HSO) and a reductant to give a manganese leachate;'}{'sub': '2', 'removing a first impurity from the manganese leachate with calcium hydroxide (Ca(OH));'}removing a second impurity from the first impurity-depleted manganese leachate with a sulfide;precipitating manganese by adjusting pH of the manganese leachate free of both first and second impurities with sodium hydroxide (NaOH) then washing and drying the precipitate; andthermally treating the dried precipitate with air in an oxidative condition.2. The method of claim 1 , wherein sulfur is added in an amount 0.5 to 3 times a mole content of manganese in the manganese-containing dust in the manganese leaching step.3. The method of claim 2 , wherein the reductant of the manganese leaching step includes an oxalate (CO4)-containing reagent or sulfurous acid (SO) gas claim 2 , ...

Method for Increasing Recycled Manganese Content

Methods of recycling batteries are provided, in which reaction conditions and elements are designed to maximize manganese recovery while minimizing zinc and potassium impurities in the recovered manganese. Methods of treating waste solution created by washing the manganese, so as to remove zinc from the waste solution, are also provided. Batteries prepared via such methods are also provided. 1. A battery produced using a process for removing potassium from an aqueous solution , said process comprising:a) reacting potassium sulfate with ferric sulfate so as to form potassium jarosite, wherein the iron:potassium ratio is no greater than about 20:1.2. The battery of claim 1 , wherein the iron:potassium ratio is no greater than about 15:1.3. The battery of claim 1 , wherein the reaction occurs at a pH of about 1.8 to about 2.0.4. The battery of claim 1 , wherein the aqueous solution is a sulfuric acid solution.5. The battery of claim 1 , wherein the iron:potassium ratio is about 11.5:1.6. A battery produced using a process for reducing the amount of fresh water required to recycle a plurality of batches of recovered battery material claim 1 , said process comprising the steps of:a) contacting manganese oxide solids comprising zinc and impurities with an acidic solution, so as to produce a waste solution comprising impurities;b) raising the pH of the waste solution to at least 9.0 so as to cause a portion of the impurities to precipitate;c) removing precipitated impurities; andd) after removing the precipitated impurities, using the waste solution to wash additional recovered battery material;wherein the impurities comprise zinc or potassium impurities.7. The battery of claim 6 , wherein in step b) the pH is raised to at least 10.0.8. The battery of claim 6 , wherein in step b) the pH is raised by adding NaOH.9. The battery of claim 6 , wherein the process further comprises reducing the pH of the waste solution prior to step d).10. The battery of claim 6 , wherein the ...

TREATMENT OF MANGANESE-CONTAINING MATERIALS

An improved method for treating manganese-containing materials, such as seafloor manganese nodules, by leaching such materials with aqueous HNOand polymerized nitric oxide (NO), and more particularly to methods for recovering valuable constituents from such nodules, especially manganese, cobalt, nickel, iron, and copper. It also provides a method to leach manganese-containing material to release any titanium, vanadium, cerium, molybdenum and other metals from the manganese oxides and to make them available to be recovered, as well as providing a method of producing a fertilizer grade nitrate product. 1. A method of recovering manganese from manganese-containing materials , comprising the steps of:a. obtaining manganese-containing materials having a manganese content of at least 5%;{'sub': 3', '2', '3', 'x, 'b. leaching the manganese-containing materials with HNOand polymerized nitric oxide (NO)in an aqueous solution to form MnO and to release the other metals;'}c. filtering the acid-insoluble residue from the solution leaving desired metal values in solution; andd. precipitating and recovering manganese.2. A method according to claim 1 , further comprising heating the solution during or following the leaching step to complete the formation and release of metal nitrates.3. A method according to wherein heating of the solution comprises raising the solution temperature into the range of 30 to 150° C.4. A method according to wherein the manganese-containing materials are leached in an aqueous nitric acid solution into which polymerized nitric oxide is then introduced.5. A method according to wherein the polymerized nitric oxide is introduced into the aqueous solution followed by addition of the HNOto complete the leaching reaction.6. A method according to wherein the manganese-containing material contains at least one of the elements of the group consisting of: nickel claim 1 , cobalt claim 1 , copper claim 1 , magnesium claim 1 , aluminum claim 1 , iron claim 1 , ...

Manganese Ore Beneficiation Process

A process for the beneficiation of Manganese ore which includes the step of leaching of the ore with acid to remove Calcium Carbonate and Magnesium Carbonate. The ore is first broken down to the required particle size by conventional means. Selective leaching of Calcium oxide and Magnesium carbonate occurs leaving an ore having a higher Manganese content. 1. A process for the beneficiation of Manganese ore , comprising leaching of the ore with acid to remove CaCO(Calcium carbonate) and MgCO(Magnesium carbonate).2. The process according to claim 1 , wherein the ore is first broken down by one or more processes comprising crushing claim 1 , milling claim 1 , washing and dense media separation.3. The process according to claim 1 , wherein the ore has a particle size smaller than 100 millimetres in diameter.4. The process according to claim 1 , wherein leaching occurs by means of VAT leaching.5. The process according to claim 1 , wherein leaching occurs by means of continuous stirred tank reactor leaching.6. The process according to claim 1 , wherein leaching occurs by means of heap leaching.7. The process according to claim 1 , wherein the leaching process is a batch process.8. The process according to claim 1 , wherein the leaching process is a continuous process.9. The process according to claim 1 , wherein the process includes agitation of the acid and the ore.10. The process according to claim 1 , wherein the acid comprises hydrochloric acid.11. The process according to claim 1 , wherein the acid comprises nitric acid.12. The process according to claim 1 , wherein the acid comprises a combination of one or more of hydrochloric acid and nitric acid.13. The process according to claim 10 , wherein the acid concentration is in the range 0.1% to 100%.14. The process according to claim 13 , wherein the acid concentration is in the range 1% to 35%.15. The process according to claim 14 , wherein the hydrochloric acid concentration is in the range 2.5% to 32%.16. The ...

Process for the recovery of metals from oxidic ores

A process is disclosed for the recovery of valuable metals from oxidic ores, in particular from polymetallic nodules. The process is suitable for the recovery of Cu, Co, Ni, Fe, and Mn, which are the main metals of interest in such polymetallic nodules. The present process is, among others, characterized by the handling of Fe, which is dissolved and kept in solution until the step of crystallization rather than removed at an earlier stage. A mixed Mn—Fe residue is obtained, which, after thermal treatment, provides a Mn—Fe oxide that is suitable for the steel or for the manganese industry. Excellent Cu, Co and Ni yields are obtained, while Fe is leached and valorized together with Mn.

METHOD FOR RECYCLING VALUABLE METALS FROM SPENT BATTERIES

A process has been developed in order to recover and recycle the metals present in spent batteries, including alkaline spent batteries alone or mixed with other types of spent batteries. This method shows a good potential in terms of metals recoveries efficiencies and economic feasibility. Firstly, the spent batteries are crushed (optionally after having been frozen in the case of spent batteries of mixed types). Then, the undesirable parts (plastics, steel cases, papers, etc.) are removed by screening. The collected powder, containing the metals, is mixed with a solution of sulfuric acid in the presence of a reducing agent. The solid/liquid separation is carried out by filtration and the leachate is purified in order to selectively recover the metals. The purification steps consist of: a) recovering Zn by solvent extraction followed by an electrowinning process; b) simultaneously recovering Mn and Cd by solvent extraction process; c) selectively recovering Cd from the mixture solution of Cd and Mn by electrowinning process; d) precipitating Mn from a pure solution of MnSOin a carbonate form; e) removing the impurities present in the effluent by solvent extraction in order to obtain a pure NiSOsolution; f) precipitating Ni from a NiSOsolution in a carbonate form. 1. A process for recovering valuable metals from spent batteries comprising the steps of:a) crushing the spent batteries;b) separating debris as a coarse fraction and a fine fraction;c) leaching metals present in the fine fraction with strong inorganic acid and a reducing agent to produce an aqueous leachate;d) extracting Zn from the leachate by electrowinning to obtain a metallic deposit of Zn and a Zn-depleted aqueous solution; ande) extracting Mn from the Zn-depleted aqueous solution of d) by precipitation at pH of about 8-9 to obtain precipitated Mn and a Zn- and Mn-depleted aqueous solution.2. The process of claim 1 , wherein in the leaching step c) claim 1 , the strong inorganic acid is selected from ...

PROCESS FOR RECOVERING METAL VALUES FROM OXIDES OF MANGANESE-CONTAINING MATERIALS

An improved method for treating manganese-containing materials, such as nodules recovered by undersea mining, including reacting the materials with ammonia, and leaching with a mineral acid, and to methods for recovering valuable constituents from such nodules, especially manganese, cobalt, nickel, iron, copper, titanium, vanadium, cerium, and molybdenum. A method for the production of nitrate products is also disclosed. 1. A method of recovering metal values from manganese-containing materials , comprising the steps of:a. obtaining manganese-containing materials also containing other metals;{'sub': '3', 'b. reacting the manganese-containing materials with NHto form MnO and to release the other metals;'}c. leaching the reacted materials with a mineral acid to form metal salts,d. precipitating and recovering pay metals from the metal salts; ande. precipitating and recovering manganese oxides and hydroxides.2. A method according to wherein the manganese-containing materials are polymetallic nodules obtained from any body of water.3. A method according to wherein the manganese-containing materials are deep-sea manganese nodules.4. A method according to wherein the manganese-containing materials are manganese-containing nodules recovered by undersea mining.5. A method according to wherein the manganese-containing materials are obtained by the chemical or metallurgical treatment of polymetallic nodules obtained from any body of water.6. A method according to claim 5 , further comprising crushing or grinding the nodules.7. A method according to claim 1 , further comprising removing chlorides from the manganese-containing materials by washing the materials.8. A method according to wherein step b is carried out at elevated temperature.9. A method according to wherein said manganese-containing materials also contain at least one of the metals of the group consisting of: nickel claim 1 , cobalt claim 1 , iron claim 1 , copper claim 1 , magnesium claim 1 , aluminum claim 1 , ...

RECOVERY PROCESS

A process for the recovery of lithium from lithium bearing mica rich minerals, the process comprising passing an ore containing one or more lithium bearing mica rich minerals to at least one pre-treatment step, passing the pre-treated ore to an acid leach step thereby producing a pregnant leach solution, subjecting the pregnant leach solution to a series of process steps in which one or more impurity metals are removed, and recovering lithium as a lithium containing salt product. 187-. (canceled)88. A process for the recovery of lithium from lithium bearing mica rich minerals , the process comprising passing an ore containing one or more lithium bearing mica rich minerals to at least one pre-treatment step , passing the pre-treated ore to an acid leach step thereby producing a leach slurry that is in turn passed to a solid liquid separation step , the separation step producing a leach residue and a pregnant leach solution , subjecting the pregnant leach solution to a series of process steps in which one or more impurity metals are removed , and recovering lithium as a lithium containing salt product.89. The process according to claim 88 , wherein the lithium containing salt is LiCO.90. The process according to claim 88 , wherein additional products include one or more of a potassium containing salt claim 88 , a rubidium containing salt claim 88 , a caesium containing salt claim 88 , a fluorine salt claim 88 , aluminium as a salt or alumina claim 88 , and a silica containing product.91. The process according to claim 90 , wherein the fluorine salt comprises a mixture of aluminium fluoride and alumina.92. The process according to claim 88 , wherein the mica rich minerals include lepidolite and/or zinnwaldite.93. The process according to claim 88 , wherein the pre-treatment step comprises one or both of a concentration step and a milling step.94. The process according to claim 93 , wherein the milling step produces a product having a particle size of Подробнее

Recovery of critical metals from sx-ew copper raffinate and other solutions derived from leaching ores with sulfuric acid

A method for extracting secondary metal values from a sulfuric acid leachate is provided. The method includes providing a leachate which contains a primary metal and a plurality of secondary metals, wherein the primary metal is selected from the group consisting of Cu, Li and Ni and is derived from sulfuric acid leaching of an ore; passing the leachate through a first ion exchange resin which is selective to, and releasably binds, the plurality of secondary metals; stripping the plurality of secondary metals from the second or third ion exchange resins, thereby obtaining a first extract; and recovering the secondary metals from the first extract. In some embodiments, prior to passing the leachate through the first ion exchange resin, the leachate is passed through a second ion exchange resin which is selective to, and releasably binds, one of the plurality of secondary metals. The one of the secondary metals is then stripped from the second exchange resin, thereby obtaining a second extract, and the one of the secondary metals is recovered from the second extract.

CHEMICAL SYNTHESIS ROUTE FOR LITHIUM ION BATTERY APPLICATIONS

An exemplary embodiment of a synthesis method includes the following acts or steps: providing LiMnOmaterial as a precursor; leaching Mn from the LiMnOmaterial using an acid to form a synthesized solution; adding carbonaceous material to the synthesized solution; adding phosphoric acid to the synthesized solution with carbonaceous material to form MnPOcomposite material; and adding Li containing compound to the MnPOcomposite material to form LiMnPOcomposite material. 1. A chemically synthesized composite material for lithium ion battery applications in the form of:{'br': None, 'i': x', 'x, 'sub': 4', '2', '4, 'LiMnPO/(1−)LiMnO,'}where X ranges from 0.67 mol % to 0.99 mol %.2. The composite material of claim 1 , wherein a molar ratio of LiMnPOto LiMnOis 1.8:0.1.3. The composite material of claim 1 , wherein a molar ratio of LiMnPOto LiMnOis 1:0.5.4. The composite material of claim 1 , wherein LiMnOis used as the precursor. This application is a divisional of, and claims priority to, co-pending U.S. patent application entitled “Chemical Synthesis Route for Lithium Ion Battery Applications,” filed on Jul. 16, 2015 and assigned application Ser. No. 14/801,011, which is a divisional of, and claims priority to, U.S. patent application entitled “Chemical Synthesis Route for Lithium Ion Battery Applications,” filed on Apr. 18, 2013, assigned application Ser. No. 13/865,963, and issuing as U.S. Pat. No. 9,105,919, all of which are incorporated herein by reference in their entireties.The present disclosure is generally concerned with processing techniques for materials synthesis for lithium ion batteries.Conventional LiMnPOmaterial is a material exhibiting low electrical conductivity. As a result, this material is restrictive or picky on the synthesis conditions and electrode preparation methods for lithium ion battery applications. Even though carbon coating has been used to improve the electrochemical property, carbon coating alone may not resolve the intrinsically low ...

PROCESS FOR RECOVERING METALS FROM RECYCLED RECHARGEABLE BATTERIES

The invention relates to hydrometallurgical method for recovering metals from spent energy storage devices. The method comprises combining aqueous hydrobromic acid leach solution and an electrode material of spent energy storage devices in a reaction vessel, dissolving the metals contained in the electrode material to form soluble metal bromide salts, removing elemental bromine, if formed, from the reaction vessel, separating insoluble material, if present, from the leach solution to obtain a metal-bearing solution and isolating one or more metals from said metal-bearing solution. 1) Hydrometallurgical method for recovering metals from spent energy storage devices , comprising combining aqueous hydrobromic acid leach solution and an electrode material of spent energy storage devices in a reaction vessel , dissolving the metals contained in the electrode material to form soluble metal bromide salts , removing elemental bromine , if formed , from the reaction vessel , separating insoluble material , if present , from the leach solution to obtain a metal-bearing solution and isolating one or more metals from said metal-bearing solution.2) A method according to claim 1 , wherein the electrode material comprises mixed metal oxide with one or more transition metals.3) A method according to claim 2 , wherein the electrode material comprises a cathode material of spent lithium ion batteries selected from the group consisting of lithium cobalt oxide (LiCoCO) claim 2 , lithium manganese oxide (LiMnO) lithium manganese nickel oxide (LiMnNiO) and lithium nickel manganese cobalt oxide (LiNiMnCoO).4) A method according to claim 1 , wherein the metals are isolated from the metal-bearing solution by precipitation claim 1 , oxidative precipitation or electrodeposition.5) A method according to claim 4 , wherein metal isolation by precipitation is achieved by addition of a precipitating reagent to the metal-bearing solution claim 4 , metal isolation by oxidative precipitation is ...

Pre-treatment for conventional cyanidation for silver recovering from manganese- argentiferous ores containing occluded silver

The present invention discloses a treatment for recovering silver from ores containing occluded silver, predominantly pyrolusite, which includes a pre-treatment of the manganese-argentiferous ore with sulfur dioxide produced by roasting elemental sulfur, generating manganese sulphate, and pregnant solution with more than 90% silver recovery.

METAL OXIDE PARTICLES AND METHOD OF PRODUCING THEREOF

Methods of producing high purity powders of submicron particles of metal oxides are presented. The methods comprise providing or forming an alloy of a first metal with a second metal, optionally heating the alloy, subjecting the alloy to a leaching agent to remove the second metal from the alloy and to oxidize the first metal, thus forming submicron oxide particles of the first metal. Collections of high purity, high surface area, submicron particles are presented as well. 1. A method of producing submicron metal oxide particles of one or more first metal(s) , said method comprising:providing or forming an alloy of said first metal(s) with a second metal;subjecting said alloy to a leaching agent effective to leach out said second metal and to oxidize said first metal(s), thus forming metal oxide submicron particles of said first metal(s);removing said leaching agent, leaving said metal oxide submicron particles of said first metal(s).2. The method of claim 1 , further comprising a step of subjecting said alloy to a heat treatment operation.3. The method of claim 2 , wherein said heat treatment step is conducted following said step of said providing or forming an alloy and prior to said step of subjecting said alloy to a leaching agent.4. The method of claim 1 , further comprising rinsing and drying said first metal(s) oxide particles following removal of said leaching agent.5. The method of claim 4 , wherein said rinsing is conducted in water and is stopped when said water following rinsing is neutral in terms of pH.6. The method of claim 1 , wherein said heat treatment forms a homogeneous phase or phases of said alloy claim 1 , from which said second metal is removed and said first metal(s) is oxidized by said leaching agent.7. The method of claim 1 , wherein said alloy comprises 1-50 wt % of said first metal(s) and 50-99 wt % of said second metal.8. The method of claim 2 , wherein following said heat treatment claim 2 , said alloy undergoes surface cleaning ...

TREATMENT OF MANGANESE-CONTAINING MATERIALS

An improved method for treating manganese-containing materials, such as seafloor manganese nodules, by leaching with aqueous HNOand NO gas, and more particularly to methods for recovering valuable constituents from such nodules, especially manganese, cobalt, nickel, iron, and copper. It also provides a method to leach manganese material to release the titanium, vanadium, cerium, molybdenum and other metals from the manganese oxides and to make them available to be recovered. 1. A method of recovering manganese from materials containing manganese-dioxide and other metal values , comprising the steps of:{'sub': '3', 'a. leaching the manganese-dioxide containing materials with HNOand NO gas in an aqueous solution to form MnO which dissolves in the nitric acid and releases the accompanying metals into solution, and leaving an acid-insoluble residue;'}b. precipitating iron from the solution as a residue;c. separating the iron-containing residue from the solution; andd. precipitating and recovering manganese from the solution.2. A method according to wherein the manganese-containing materials are leached in an aqueous nitric acid solution into which nitric oxide gas is then introduced.3. A method according to wherein the manganese-containing material contains at least one of the metals of the group consisting of: nickel claim 1 , cobalt claim 1 , copper claim 1 , magnesium claim 1 , aluminum claim 1 , iron claim 1 , calcium claim 1 , cadmium claim 1 , potassium claim 1 , sodium claim 1 , zirconium claim 1 , titanium claim 1 , zinc claim 1 , lead claim 1 , cerium claim 1 , molybdenum claim 1 , phosphorus claim 1 , barium claim 1 , and vanadium.4. A method according to wherein the manganese-containing materials are manganese nodules obtained from any body of water claim 1 , including a seafloor or lake floor.5. A method according to claim 4 , further comprising removing chlorides from the nodules prior to leaching.6. A method according to wherein the manganese-containing ...

PROCESS, APPARATUS, AND SYSTEM FOR RECOVERING MATERIALS FROM BATTERIES

A process for recovering component materials from lithium battery materials, the process comprising the steps of: a) processing lithium battery materials in a comminuting apparatus comprising at least a first comminuting device that is submerged in an immersion liquid, thereby creating reduced-size battery materials and liberating electrolyte material and a black mass material comprising anode and cathode powders from within the lithium battery materials and providing a sized-reduced feed stream comprising the reduced size battery materials and the black mass material and electrolyte materials entrained within the immersion liquid; and b) processing the size-reduced feed stream to obtain at least a black mass solid stream that comprises the black mass material and a retained portion of the immersion liquid having entrained electrolyte materials. 1. A process for recovering component materials from lithium battery materials , the process comprising the steps of:a) processing lithium battery materials in a comminuting apparatus comprising at least a first comminuting device that is submerged in an immersion liquid, thereby creating reduced-size battery materials and liberating electrolyte material and a black mass material comprising anode and cathode powders from within the lithium battery materials and providing a sized-reduced feed stream comprising the reduced size battery materials and the black mass material and electrolyte materials entrained within the immersion liquid;b) processing the size-reduced feed stream to obtain at least a black mass solid stream that comprises the black mass material and a retained portion of the immersion liquid having entrained electrolyte materials.2. The process of claim 1 , wherein the black mass solid stream comprises about 20% wt of the immersion liquid having entrained electrolyte materials.31b. The process of claim 1 , wherein step ) comprises treating the sized-reduced feed stream with a first separator that separates the ...

PROCESS, APPARATUS, AND SYSTEM FOR RECOVERING MATERIALS FROM BATTERIES

An apparatus for carrying out size reduction of battery materials under immersion conditions having a battery inlet and at least a first comminuting device disposed within a housing and configured to cause a size reduction of the battery materials to form reduced-size battery materials and to liberate electrolyte materials and a black mass material comprising anode and cathode powders from within the battery materials. An immersion liquid can be within the housing and can submerge the first comminuting device so the black mass material and the reduced-size battery material are entrained within the immersion liquid to form a sized-reduced feed stream. A feed outlet may be downstream from the first comminuting device. 1. An apparatus for carrying out size reduction of battery materials under immersion conditions , the apparatus comprising:a) a housing;b) a battery inlet through which battery materials can be introduced into the housing;c) at least a first comminuting device disposed within the housing and configured to cause a size reduction of the battery materials to form reduced-size battery materials and to liberate electrolyte materials and a black mass material comprising anode and cathode powders from within the battery materials;d) an immersion liquid within the housing and submerging the first comminuting device, the immersion liquid being basic and being at least electrically conductive whereby sparking caused by the size reduction of the battery material is suppressed and heat generated by the size reduction is absorbed by the immersion liquid, and wherein the electrolyte materials, the black mass material and the reduced-size battery material are entrained within the immersion liquid to form a sized-reduced feed stream; ande) a feed outlet that is downstream from the first comminuting device through which the sized-reduced feed stream comprising the reduced size battery material, the black mass material and the electrolyte materials entrained within the ...

Treatment of manganese-containing materials

An improved method for treating manganese-containing materials, such as seafloor manganese nodules, by leaching with aqueous HNO 3 and NO gas, and more particularly to methods for recovering valuable constituents from such nodules, especially manganese, cobalt, nickel, iron, and copper. It also provides a method to leach manganese material to release the titanium, vanadium, cerium, molybdenum and other metals from the manganese oxides and to make them available to be recovered.

CHEMICAL PROCESS FOR THE RECOVERY OF ALKALINE AND ZINC-CARBON BATTERY COMPONENTS

A process is described for the recovery of the chemical components of the “black paste” resulting from the opening of dead alkaline and zinc-carbon batteries. 1. A process of chemical treatment of black paste resulting from opening alkaline or zinc-carbon batteries or mixtures thereof , comprising the following steps:a) cutting zinc-carbon or alkaline batteries or mixtures thereof, with selective dry extraction of black paste;b) washing the black paste with water to separate the potassium hydroxide of the alkaline batteries and the ammonium chloride of zinc-carbon batteries in the form of a solution, and recovering the black paste fraction that is insoluble in water;c) treatment of the wet black paste resulting from step b) with an aqueous solution of sulfuric acid, achieving the solubilisation of metallic zinc and of its compounds and of manganese compounds, and the salification of the residual potassium hydroxide with the formation of potassium sulfate;d) separating the insoluble residue of black paste consisting of manganese dioxide and carbon from the sulfuric solution;e) treating the sulfuric solution obtained in step d) with oxalic acid in sub-stoichiometric amounts compared to zinc, obtaining the precipitation of zinc oxalate;f) separation of zinc oxalate from the sulfuric solution;{'sub': '2', 'g) electrolysis of the acid solution with formation of MnOat the anode.'}2. The process according to claim 1 , wherein in step b) claim 1 , 500 to 1000 liters of water claim 1 , preferably 700 to 800 liters of water claim 1 , are used per 100 kg of black paste.3. The process according to claim 1 , wherein claim 1 , per 100 kg of starting black paste claim 1 , in step c) claim 1 , 1200 to 2000 liters are used claim 1 , preferably about 1500 liters claim 1 , of an aqueous solution of sulfuric acid having a concentration of between 5 and 15% by weight claim 1 , preferably of about 8% by weight.4. The process according to claim 1 , further comprising a further step b′) ...

PROCESS AND SYSTEM FOR RECYCLING ALKALINE AND CARBON ZINC BATTERIES

The present technology relates to processes for recycling alkaline and/or carbon zinc batteries. In particular, the present technology relates to a process for recycling alkaline and/or carbon zinc batteries that provides a consistent and measurable amount of material (e.g., discarded batteries) to be recycled and may enhance the recovery of certain materials during the recycling process. 1. A system for recovering metals from a feedstock comprising discharged batteries , the system comprising:a pre-sorter that delivers batteries having selected characteristics to a comminutor having an adjustable rate of operation, by way of a first conveyor having an adjustable rate of operation;a digester connected to the comminutor by way of a second conveyor having an adjustable rate of operation, wherein the digester produces a precipitate stream and a liquid stream;a control system that collects information on the selected characteristics of the batteries and at least one of: the rate of operation of the comminutor, the rate of operation of the first conveyor, the rate of operation of the second, and wherein, in response to the collected information, the control system subsequently adjusts at least one of: the rate of operation of the comminutor, the rate of operation of the first conveyor, and the rate of operation of the second conveyor; andwherein the precipitate stream includes at least one recoverable metal.2. The system according to claim 1 , further comprising a temperature-controlled fluid source providing fluid of a selected temperature to at least one of: the comminutor claim 1 , the digester claim 1 , and the precipitate stream.3. The system according to claim 1 , wherein the control system also collects information on at least one of: the temperature of the fluid source claim 1 , characteristics of material delivered by the comminutor to the digester claim 1 , an observed pH level in the digester claim 1 , and an observed pH level in the liquid stream.4. The ...

Method for recycling li-ion batteries

A method for recycling a battery including the following steps: a) dissolution of a battery waste, for example an electrode, including lithium and a metal selected from cobalt and manganese, such that a solution to be treated containing lithium ions and metal ions is formed, b) addition of a peroxymonosulfate salt to the solution to be treated, the solution to be treated being regulated at a pH ranging from 1 to 4 when the metal is cobalt or at a pH ranging from 0.1 to 2.5 when the metal is manganese, such that the metal ions are selectively precipitated in the form of metal oxyhydroxide, c) separation of the lithium ions from the solution to be treated. Advantageously, the solution further comprises nickel ions.

SYSTEM AND METHOD FOR RECOVERING CONSTITUENTS FROM BATTERIES

An apparatus, method and system are provided to recover constituent components from single use batteries. In particular, the apparatus, method and system may be used to recover zinc and manganese in the form of sulfates from depleted commercial which in turn may be subsequently used for other applications, such as micronutrients and fertilizers. 1. An apparatus comprising:a first leach chamber to treat a slurry with a first acid and a first oxidizing agent to form a first solution including first metal ions and second metal ions;a precipitation reactor to receive the first solution from the first leach chamber, wherein the first solution is to be reacted with a first metal oxide and ozone to form a precipitate, wherein the precipitate is to be separated from a portion of the first metal ions remaining dissolved;a first crystallization chamber to crystallize the portion of the first metal ions for collection;a second leach chamber to receive the slurry after treatment by the first leach chamber and the precipitate, wherein the second leach chamber is to treat the precipitate with a second acid and a second oxidizing agent to form a second solution including the first metal ions and the second metal ions;a cementation chamber to receive the second solution from the second leach chamber, wherein the second solution is to be reacted with a reducing agent to form a first metal, wherein the first metal is to be delivered to the first leach chamber; anda second crystallization chamber to crystallize the second metal ions in the second solution for collection.2. The apparatus of claim 1 , wherein the first metal ions are zinc ions and the first crystallization chamber is to form a zinc sulfate hydrate.3. The apparatus of claim 1 , wherein the second metal ions are manganese ions and the second crystallization chamber is to form a manganese sulfate hydrate.4. The apparatus of claim 1 , wherein said reducing agent is a metal powder.5. A method comprising:treating a slurry ...

一种废弃硫酸锰溶液净化降低钙镁含量的工艺

本发明公开了一种废弃硫酸锰溶液净化降低钙镁含量的工艺，包括以下步骤：S1、取含有钙和镁的硫酸锰废液，将所述废液升温至30～40℃后，加入草酸、草酸钠和草酸铵混合溶液，恒温下搅拌反应2～4h；S2、将经步骤S1反应后的溶液静置后，去除沉淀后得到净化后的硫酸锰溶液；其中，所述混合溶液中草酸、草酸钠和草酸铵的质量之比为(2～3)：1：1。本发明方案利用草酸及草酸盐溶液对硫酸锰进行除杂，该方法在技术上避免了传统技术利用氟化物除杂对环境的影响，将湿法冶金的过程所产生的硫酸锰提纯重复利用的同时，还能达到无毒或低毒。

锰湿法冶炼方法和锰湿法冶炼系统

本发明提供了一种锰湿法冶炼方法和锰湿法冶炼系统。冶炼方法包括对锰矿依次进行硫酸浸出和除杂，得到含硫酸镁、硫酸锰和硫酸铵的混合溶液；将混合溶液分成第一部分和第二部分，对第一部分的混合溶液依次通过电积处理和电解处理，得到有价金属锰；对第二部分的混合溶液依次进行锰沉淀处理和镁沉淀处理，得到锰沉淀物和镁沉淀物；将锰沉淀物返回硫酸浸出的步骤。通过对除杂后的混合溶液中的一部分抽出，并对锰和镁分别进行沉淀，锰返回浸出步骤继续完成锰的冶炼过程，而镁盐则以沉淀物的形式被排出。该方法使得锰冶炼过程中镁以沉淀渣的形式被排出反应体系外，一定程度上减少了镁的结晶，进而减低了堵塞管道的风险，提高了生产的稳定性。

深度分离硫酸锰中钙镁杂质的方法

一种深度分离硫酸锰中钙镁杂质的方法，包括以下步骤：将含有钙镁杂质的硫酸锰溶于水中，得到含有钙镁杂质的硫酸锰溶液；将含有钙镁杂质的硫酸锰溶液与可溶性氟化盐、促沉剂混合并加热，冷却陈化以形成氟化钙和氟化镁沉淀，过滤，得到硫酸锰滤液；将硫酸锰滤液采用有机萃取剂溶液萃取，得到含锰萃取液；将含锰萃取液采用硫酸溶液反萃取，得到硫酸锰反萃液；将硫酸锰反萃液调节pH值至4.5～6.5，蒸发，得到钙元素的质量含量不超过20ppm，镁元素的质量含量不超过10ppm的硫酸锰。该方法工艺简单合理，反应条件易于控制，设备投资少，产品收率高，具有巨大的实用价值。得到的硫酸锰中钙镁杂质除杂彻底，其中钙元素的质量含量不超过20ppm，镁元素的质量含量不超过10ppm。

锰矿还原设备及还原方法

本发明涉及锰矿处理技术领域，公开了一种锰矿还原设备及还原方法。其包括以下步骤：步骤一，将氧化锰矿石粉碎至粒度不大于10mm；步骤二，向步骤一处理后的氧化锰粉加水或电解锰阳极液进行调制矿浆；步骤三，向步骤二调制的矿浆中加入浓硫酸和铁粉，搅拌浸出；步骤四，对步骤三中的混合物进行过滤分离，得到硫酸锰浸出液；上述步骤在一浸出过滤设备中进行。本发明便于实现锰矿还原处理且操作简单。

Способ переработки окисных марганцевых руд

Изобретение относится к химическому обогащению обедненных окисных марганцевых руд, в частности руд, содержащих соединения марганца выше 7,0%, и может быть использован в технологии получения концентрата марганца более 90,0%, который можно использовать в металлургии и химической промышленности. Способ переработки окисных марганцевых руд включает химическое выщелачивание соединений марганца смесью соляной и серной кислот, причем предварительно в реактор с измельченной окисной марганцевой рудой загружают серную кислоту при соотношении Т:Ж=1:3-5, в которую в процессе перемешивания подают соляную и серную кислоту в соотношении 1:1, осуществляют перевод соединений марганца в раствор обработкой смесью соляной и серной кислот с выделением хлора, которым обеспечивают осаждение марганцевого концентрата из раствора при рН среды 8,5-10 и температуре 40,0-90,0°C, при этом корректируют среду известковым молоком, добавляют кислород из воздуха, фильтруют концентрат марганца, промывают и сушат. Изобретение направлено на увеличение извлечения концентрата марганца из руды. 2 з.п. ф-лы, 3 пр., 3 табл. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 770 732 C1 (51) МПК C22B 47/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК C22B 47/00 (2022.02) (21)(22) Заявка: 2021112515, 28.04.2021 (24) Дата начала отсчета срока действия патента: (73) Патентообладатель(и): Шаповалов Виталий Дмитриевич (RU) Дата регистрации: 21.04.2022 Приоритет(ы): (22) Дата подачи заявки: 28.04.2021 (45) Опубликовано: 21.04.2022 Бюл. № 12 2 7 7 0 7 3 2 R U (54) Способ переработки окисных марганцевых руд (57) Реферат: Изобретение относится к химическому обогащению обедненных окисных марганцевых руд, в частности руд, содержащих соединения марганца выше 7,0%, и может быть использован в технологии получения концентрата марганца более 90,0%, который можно использовать в металлургии и химической промышленности. Способ переработки окисных марганцевых руд включает ...

A method of selective recovery separating valuable metals and aluminium foil from abandoned car power ternary battery

本发明公开了一种从报废汽车动力三元电池中选择性回收分离有价金属和铝箔的方法。该方法包括以下步骤：将报废汽车动力三元电池放电后，采用切割机切边处理，分离出正极极片，将其裁剪成合适大小后，于水浴恒温振荡器中进行浸出反应，得到高纯铝箔，同时选择性浸出有价金属钴、锰、锂。本发明利用有机酸特殊的还原性和选择性，一次性分离铝箔和正极活性物质，同时最大化浸出正极活性物质中的目标金属，回收高纯铝箔，避免还原剂的使用，简化锂离子电池正极废料的回收过程，高效回收金属，对报废汽车动力三元电池回收处理的工业化应用有一定的指导作用。

Comprehensive utilization method of manganese-rich slag

本发明公开了富锰渣的综合利用方法，包括如下步骤：(1)酸浸制备浸取液和硅渣；(2)浸取液除铝；(3)除铝后浸取液除铁；(4)除铁后浸取液沉锰；(5)碳酸锰氧化焙烧制备Mn 2 O 3 ；(6)Mn 2 O 3 歧化、氧化制备得到活性二氧化锰；(7)硅渣资源化制备白炭黑或4A分子筛。本发明实现了富锰渣主要元素锰、硅、铝的综合利用，并开发出具有较高附加值的工业产品4A分子筛、活性二氧化锰、铵明矾和赤铁红，为富锰渣的利用开辟了新的途径；同时，又能达到资源充分利用，降低污染的目的。

Process for recovering valuable metals from wastes produced during the manufacture and the processing of stainless steel

The present invention provides a method for recovering valuable metals from waste generated during the manufacture and processing of stainless steel, which can improve the recovery rate and quality of valuable metal elements and a continuous operation rate by improving the operation stability of a subsequent smelting reduction electric arc furnace while improving the quality of crude zinc oxide recovered when reducing roasting various waste generated during the manufacture and processing of stainless steel in a preliminary reducing furnace. The method of the present invention comprises the steps of: washing stainless steel dust; manufacturing a briquette; recovering crude zinc oxide; and recovering valuable metal components.

Method for preparing battery-grade manganese sulfate by separating nickel, cobalt, lithium and manganese from battery black powder

本发明涉及一种电池黑粉料分离镍钴锂锰制备电池级硫酸锰的方法，包括如下步骤：1)将电池黑粉料浆化后加入浓硫酸进行一段搅拌浸出，控制Ph值小于1.5，温度85‑95℃，添加还原剂；2)将一段浸出液进行压滤，滤液通过调节Ph值除铁铝后，进行萃取处理分离锰、钴、镍和锂；滤渣作为二段浸出的原料；3)将一段压滤产出的滤渣进行二段还原浸出，添加还原剂，控制Ph值小于1.5，温度85‑95℃；4)将浸出液进行压滤，滤渣经洗涤后得到石墨渣；5)在二段压滤的滤液中加入硫化钡，控制温度55‑70℃，pH值3.5‑4.5，反应时间1‑3小时；6)将上述除镍、钴后的溶液进行压滤，滤液为硫酸锰溶液；7)在上述硫酸锰溶液中加入福美钠、氟化钠，经压滤得到的溶液为电池级硫酸锰溶液。

Method for manufacturing high grade manganese ore

본 발명은 망간광의 품위를 높이기 위해서, 망간광의 철분을 효과적으로 제거할 수 있는 방법을 제공하고자 하는 것으로, 망간광을 분쇄하는 단계; 상기 분쇄된 망간광과 환원제를 혼합하는 단계; 상기 결합제를 첨가하고 성형체를 제조하는 단계; 상기 성형체를 환원하여 환원 망간광을 제조하는 단계; 및 상기 환원 망간광을 분쇄한 후, 철분을 제거하는 단계를 포함하는 고품위 망간광의 제조방법을 제공한다. The present invention is to provide a method that can effectively remove the iron of manganese light in order to enhance the quality of manganese light, Pulverizing manganese light; Mixing the pulverized manganese light with a reducing agent; Adding the binder and preparing a molded article; Reducing the molded body to produce reduced manganese light; And After milling the reduced manganese light, it provides a method for producing a high-quality manganese light comprising the step of removing iron.

Method for removing Ca and Mg in electrolytic manganese metal anode mud

本发明公开了一种电解金属锰阳极泥中Ca、Mg的去除方法，包括以下步骤：电解金属锰阳极泥依次加入水、碳酸盐溶液、酸溶液清洗，获得低钙镁杂质含量的阳极泥。通过本发明能高效的去除电解金属锰阳极泥中的钙和镁，得到低钙镁杂质含量的阳极泥，以进一步能对阳极泥进行回收利用。

Method for recycling soft package full components of waste ternary lithium battery

本发明公开了一种废旧三元锂电池软包全组分回收的方法，该方法依次通过放电，破碎，浅槽分选机筛分，酸浸出，逐级沉淀和水热法等步骤，分别将废旧三元锂电池中的隔膜，石墨，镍、钴、锰、铜和铝进行全组分回收，实现经济效益最优化。并且所述镍、钴和锰元素直接制备成三元前驱体，用于制备三元锂电池，不仅最大程度地回收了各种高价值元素，同时还大大简化了其在三元锂电池制造过程中的应用方式。

METHOD FOR PRODUCING Manganese Pellets from Uncalcined Manganese Ore and Agglomerate Obtained by This Method

1. Способ получения марганцевых окатышей из некальцинированной марганцевой руды, отличающийся тем, что он включает следующие стадии: ! (а) подготовка размера частиц руды посредством классификации руды в зависимости от размера частиц, при этом частицы размером 1 мм или менее не допускают к процессу фракционирования частиц руды, оставляя частицы размером 1 мм или менее и измельчая их; ! (b) добавление флюса; ! (с) добавление агломерирующего вещества; ! (d) комкование с получением сырых окатышей; и ! (е) термическая обработка посредством сушки, предварительного нагревания и нагревания сырых окатышей. ! 2. Способ получения марганцевых окатышей из некальцинированной марганцевой руды по п.1, отличающийся тем, что он применим к любой другой оксидной марганцевой руде и рудам других металлов такого же типа со специфическим гранулометрическим составом. ! 3. Способ получения марганцевых окатышей из некальцинированной марганцевой руды по п.1, отличающийся тем, что стадию сушки осуществляют до стадии подготовки размера таким образом, чтобы обеспечить максимальное содержание влаги, равное 9%. ! 4. Способ получения марганцевых окатышей из некальцинированной марганцевой руды по п.1, отличающийся тем, что во время процесса измельчения на стадии подготовки размера осуществляют как дробление, так и прессование в зависимости от размера частиц руды. ! 5. Способ получения марганцевых окатышей из некальцинированной марганцевой руды по п.4, отличающийся тем, что на стадии подготовки размера руды фракцию марганцевой руды с размером частиц 1,0 мм или более обрабатывают на роликовом прессе. ! 6. Способ получения марганцевых окатышей из некальц� РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2011 106 941 (13) A (51) МПК C22B 1/14 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (71) Заявитель(и): ВАЛЕ С.А. (BR) (21)(22) Заявка: 2011106941/02, 27.07.2009 Приоритет(ы): (30) Конвенционный приоритет: 25.07.2008 BR PI0804694-8 (85) Дата начала рассмотрения заявки PCT на ...

Method of preparing cathodic active material precursor material and cathodic active material for lithum secondary battery, and cathodic active material for lithum secondary battery preparing therefrom

The present invention provides: a method for preparing a positive electrode active material precursor material by using a high-nickel-content waste secondary lithium battery; a method for preparing a positive electrode active material for a secondary lithium battery, including a positive electrode active material precursor material prepared by the method; and a positive electrode active material for a lithium secondary battery, prepared thereby.

Method of producing manganese pellets from non-calcined manganese ore and agglomerate obtained using said method

FIELD: chemistry. SUBSTANCE: invention relates to production of manganese pellets from non-calcined oxide manganese ore. The method comprises the following steps: (a) ore particle size preparation through ore classification depending on particle size, particles smaller or equal to 1 mm being obtained from the ore particle fraction process and grinding said particles, (b) flux addition; (c) agglomerant addition; (d) pelletising to obtain crude pellets; and (e) thermal processing by drying, pre-heating and heating the crude pellets. EFFECT: invention enables to obtain pellets having high mechanical strength with greater mass balance precision. 19 cl, 18 dwg, 19 tbl РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (51) МПК C22B 1/14 (13) 2 519 690 C2 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2011106941/02, 27.07.2009 (24) Дата начала отсчета срока действия патента: 27.07.2009 (72) Автор(ы): МАФРА,Вашингтон Луис (BR), СОУЗА,Жуан Батиста Конти Де (BR) (73) Патентообладатель(и): ВАЛЕ С.А. (BR) Приоритет(ы): (30) Конвенционный приоритет: (43) Дата публикации заявки: 27.08.2012 Бюл. № 24 R U 25.07.2008 BR PI0804694-8 (45) Опубликовано: 20.06.2014 Бюл. № 17 A, 04.02.1975. JP 2005-089842, 07.04.2005. SU 232988 A, 13.05.1969. SU 381228 A, 23.07.1973 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 25.02.2011 (86) Заявка PCT: 2 5 1 9 6 9 0 (56) Список документов, цитированных в отчете о поиске: US 3942974 A, 09.03.1976. US 3864118 2 5 1 9 6 9 0 R U (87) Публикация заявки PCT: WO 2010/009527 (28.01.2010) Адрес для переписки: 129090, Москва, ул. Б.Спасская, 25, стр. 3, ООО "Юридическая фирма Городисский и Партнеры", пат.пов. С.Р.Абубакирову, рег.N 931 (54) СПОСОБ ПОЛУЧЕНИЯ МАРГАНЦЕВЫХ ОКАТЫШЕЙ ИЗ НЕКАЛЬЦИНИРОВАННОЙ МАРГАНЦЕВОЙ РУДЫ И АГЛОМЕРАТ, ПОЛУЧЕННЫЙ ДАННЫМ СПОСОБОМ (57) Реферат: Изобретение относится к получению (с) добавление агломерирующего вещества, (d) марганцевых окатышей из некальцинированной ...

Extraction of fe, mn, ni, co, cu, al by sulphatization and hydrochlorination from cake obtained after soda sintering and leaching of tungsten concentrate

FIELD: metallurgy.SUBSTANCE: invention relates to hydrometallurgy of non-ferrous metals and can be used in processing concentrates, industrial products and solid wastes containing metals. Metal ions are extracted from cake obtained after sintering and leaching of tungsten concentrate by sulphatising calcination, which is carried out by oleum at L:S = 1:1, temperature = 250–300 °C and time 4 hours followed by hydrochlorination of sulphate sintered mass 2 n HCl solution, 240 g/l NaCl.EFFECT: method allows intensifying the leaching process with more complete extraction of metals into the solution.1 cl, 2 dwg, 5 tbl РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 695 689 C1 (51) МПК C22B 3/00 (2006.01) C22B 34/36 (2006.01) C22B 47/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК C22B 3/00 (2019.05); Y02P 10/234 (2019.05); C22B 34/36 (2019.05); C22B 47/00 (2019.05) (21)(22) Заявка: 2019109855, 03.04.2019 (24) Дата начала отсчета срока действия патента: Дата регистрации: (73) Патентообладатель(и): Воропанова Лидия Алексеевна (RU) 25.07.2019 (56) Список документов, цитированных в отчете о поиске: МАРТИРОСЯН М.В. и др. Применение сульфатизирующего обжига в процессах комплексного извлечения ценных компонентов из полиметаллического концентрата. Ученые записки Ереванского государственного университета. Химия и биология. N2, 2010, с. 19-23. KZ 24762 B, 17.10.2011. RU 2011690 C1, 30.04.1994. UZ 4674 C, 30.04.2013. EP 0113649 A1, 18.07.1987. (45) Опубликовано: 25.07.2019 Бюл. № 21 2 6 9 5 6 8 9 R U (54) Извлечение Fe, Mn, Ni, Co, Cu, Al сульфатизацией и гидрохлорированием из кека, полученного после содового спекания и выщелачивания вольфрамового концентрата (57) Реферат: Изобретение относится к области осуществляют олеумом при Ж:Т=1:1, гидрометаллургии цветных металлов и может температуре=250-300°С и времени 4 ч с быть использовано при переработке последующим гидрохлорированием сульфатного концентратов, промпродуктов и ...

Method for extracting manganese in system of recovering lithium in sea water and mehtod for manufacturing adsorbent for recovering lithium in sea water

The present invention relates to a method for extracting manganese (Mn) during a process of recovering lithium (Li) from seawater and a method for preparing an adsorbent to recover Li from the seawater using the same. The method for extracting Mn during the process of recovering the Li from the seawater includes: adsorbing Li in the seawater using the adsorbent including Mn oxide; acquiring Li desorption solution by desorbing the Li adsorbed onto the adsorbent using an acid solution; and recovering Mn ions contained in the Li desorption solution through following equation 1, (2Mn^2+) + Ca(OCl)_2 + 2H_2O -> 2MnO_2 + (4H^+) + CaCl_2.

Method for comprehensively treating laterite-nickel ore by using nitric acid medium

本发明公开了一种利用硝酸介质综合处理红土镍矿的方法包括：步对红土镍矿的原矿矿石进行破碎与细磨，从而得到矿粉；再将硝酸溶液作为浸出剂加入所述矿粉中，进行选择性浸出，液固分离得到浸出渣和浸出液；再将得到的浸出液加入煅烧炉进行煅烧分解，得到混合干基金属氧化物，在煅烧过程中产出氮氧化物气体NO x ；再将得到的浸出渣进入球团与烧结工序，生产铁精矿；对氮氧化物NO x 进行吸收，制备浓硝酸，并配制硝酸溶液返回作浸出剂。该方法能实现铁与镍钴的有效分离，以及降低镍钴产物中铝镁等金属的含量，降低中和剂的使用，实现硝酸的可再生利用，大大提升红土镍矿的综合利用效率和经济价值。

Method for removing manganese from wastewater

A kind of method that Mn-rich slag extracts manganese metal

本发明公开的一种富锰渣提取金属锰的方法，包括如下步骤：(1)用球磨机将富锰渣矿磨至250目的粒度备用，取100g磨好的富锰渣，加入水调浆，得到混合料浆并加入反应容器中；(2)在反应过程中分多步加酸液，即在浸出时间内进行多次逐滴补充酸液；(3)在常压多次加酸浸出后出料，得到酸浸出混合物，对所述酸浸出混合物进行固液分离，即分离出金属锰。其优点在于，采用多步加酸浸出法实现了富锰渣直接酸浸提取锰的工艺过程，拓宽了硫酸锰、电解金属锰等锰系产品的生产原料来源，为锰冶金工业拓宽了原料来源，解决了一直以来富锰渣利用率低的问题。

Titanium dioxide recovery method

티타늄 함유 물질로부터 이산화티타늄을 회수하는 방법으로서, 상기 방법은 제1 침출 단계에서 티타늄 함유 물질을 대기압에서 그리고 70 내지 97℃의 온도에서 제1 릭시비언트를 사용하여 침출시켜 티타늄 함량을 포함하는 용해되지 않은 제1 침출 고체와 제1 침출액을 포함하는 제1 침출 용액을 생성하는 단계로서, 제1 릭시비언트는　23% w/w 미만의 농도의 염산을 포함하는 것인 단계; 제1 침출액과 용해되지 않은 제1 침출 고체를 분리하는 단계;　제2 침출 단계에서 제1 침출 고체를 대기압에서 그리고 60 내지 80℃의 온도에서 Fe 분말 환원제의 존재 하에 제2 릭시비언트를 사용하여 침출시켜 용해되지 않은 제2 침출 고체와 침출된 티타늄 함량 및 철 함량을 포함하는 제2 침출액을 포함하는 제2 침출 용액을 생성하는 단계로서, 제2 릭시비언트는 23% w/w 미만의 염산과 알칼리 금속 염화물, 염화마그네슘 및 염화칼슘, 또는 이들의 혼합물로부터 선택된 추가의 염화물을 포함하는 혼합 염화물 용액을 포함하는 것인 단계; 제2 침출액과 용해되지 않은 제2 침출 고체를 분리하는 단계;　및 그 후 이산화티타늄과 철 함량을 침전에 의해 제2 침출액으로부터 분리하고, 제2 릭시비언트를 재생하여 제2 침출 단계로 재순환시키는 단계를 포함한다.

Method for recycling and preparing ternary cathode material by using waste ternary lithium battery

本发明提供一种利用废旧三元锂电池回收制备三元正极材料的方法，包括：1)将预处理的镍钴锰酸锂废正极粉料和硫酸盐混合，焙烧，得到焙烧产物；2)将焙烧产物水浸，得到水浸液和水浸渣；水浸液中含锂盐；3)将水浸渣与酸溶液和双氧水反应，得到镍钴锰浸出液；4)将所述镍钴锰浸出液除杂后再萃取钴、锰、镍，得到的有机相皂化和反萃，得到硫酸钴、硫酸锰和硫酸镍溶液；5)将所述硫酸镍、硫酸钴和硫酸锰溶液与氢氧化钠溶液和氨水共沉淀，将得到的前驱体与碳酸锂混合后烧结，筛铁，得到三元正极材料。本发明提供的方法先提锂，减少锂元素对后续镍钴锰萃取的影响，降低了三元正极材料中的杂质含量，镍钴锰的回收率大大提高；还能提高锂的回收率。

Method of producing solutions of manganese salts

Die vorliegende Erfindung betrifft ein Verfahren zur Herstellung von ammonsalzhaltigen Mangan (II)-Salzlösungen durch Laugung von manganhaltigen Verbindungen mit Ammonsalz-Lösungen, wobei durch Anlegen eines Unterdruckes in der Laugungsmaische eine Siedetemperatur von 57 bis 68°C eingestellt wird und wobei die zur Laugung eingesetzte Ammonsalz-Lösung 0,5 - 2,5 Mol/1 Diammonium-Sulfat oder 1,0 - 5,0 Mol/1 Ammonium-Nitrat enthält.

A kind of method of manganese and lead in synthetical recovery electrolytic manganese anode mud

一种综合回收电解锰阳极泥中锰和铅的方法，包括以下步骤：以电解锰阳极泥为原料，首先通过磨洗除硫及除去其他水溶性杂质得到除硫阳极泥，再将除硫阳极泥经高温焙烧后，用烧碱液浸出其中的铅，碱浸后经过滤、洗涤得到低硅低硫富锰渣，将获得的低硅低硫富锰渣用作冶炼金属锰或低微碳锰合金的锰原料；碱浸后滤液中的铅经硫化沉淀回收得到硫化铅精矿。本发明的方法具有锰和铅的回收率高、清洁高效、工艺简单、适用性强、成本低等优点。

A process, apparatus, and system for recovering materials from batteries

본 출원은 재충전가능한 리튬 이온 배터리로부터 물질을 회수하여 이를 재활용하는 방법을 제공한다. 상기 방법은 상기 배터리를 크기 축소된 공급물 스트림으로 처리하는 단계; 및 이어서, 일련의 분리, 단리 및/또는 침출 단계를 통해 구리 생성물, 코발트, 니켈 및/또는 망간 생성물 및 리튬 생성물의 회수; 및 철 생성물, 알루미늄 생성물, 흑연 생성물 등의 임의의 회수를 가능하게 하는 단계를 포함한다.또한, 침지 조건하에 배터리의 크기 감소를 수행하기 위한 장치 및 시스템이 또한 제공된다. This application provides a method for recovering materials from rechargeable lithium ion batteries and recycling them. The method further comprises processing the battery into a downsized feed stream; and subsequent recovery of copper product, cobalt, nickel and/or manganese product and lithium product through a series of separation, isolation and/or leaching steps; and allowing for any recovery of iron products, aluminum products, graphite products, etc. Also provided are devices and systems for effecting size reduction of batteries under immersion conditions.

Improved device and method for producing electrolytic manganese metal by two-ore method

本发明公开了一种改进型两矿法生产电解金属锰的装置及方法。所述方法包括以下步骤：浸出、净化、深度净化和电解；所述两矿法电解金属锰的两种矿石原料分别为：低品位氧化锰矿和硫铁矿；所述低品位氧化锰矿为：锰含量为15～25％的氧化锰矿石；硫铁矿为：有色金属矿选矿的尾矿(硫铁矿)或原生硫铁矿。本发明方法产品含C、S，杂质低，生产流程短，对硫酸锰溶液实行深度净化，清除了溶液中还原性杂质对电解过程的影响，从而达到电解正常生产，提高产品质量。本方法尤其为低品位贫氧化锰矿和有色金属矿选矿的尾矿(硫铁矿)的开发利用创造了途径。

Metal recovery processing method for battery reclaimed material

本发明适用于提供了一种电池回收料金属回收处理方法，包括以下步骤：S01、低酸溶解：将预处理后的电池采用低浓度酸性溶液溶解得第一浸出液和第一浸出渣，对第一浸出液除铜后得到第一混合液；S02、高酸溶解：对第一浸出渣采用高浓度酸性溶液溶解，同时加入还原剂进行还原，得到第二浸出液，对第二浸出液依次经过除铜离子、除铁离子、除铝离子后得到第二混合液；S03、混合萃取：将上述两混合液混合形成的第三混合液调节pH值后利用萃取除去锌离子，再将得到的洗钴液与洗锰液混合，得到第四混合液；S04、沉淀除杂：采用沉淀剂去除第四混合液中的钙、镁离子，得到合格料液。本方法相较于萃取法工艺简单，便于操作，成本低廉，杂质去除率高。

A process, apparatus, and system for recovering materials from batteries

본 출원은 재충전가능한 리튬 이온 배터리로부터 물질을 회수하여 이를 재활용하는 방법을 제공한다. 상기 방법은 상기 배터리를 크기 축소된 공급물 스트림으로 처리하는 단계; 및 이어서, 일련의 분리, 단리 및/또는 침출 단계를 통해 구리 생성물, 코발트, 니켈 및/또는 망간 생성물 및 리튬 생성물의 회수; 및 철 생성물, 알루미늄 생성물, 흑연 생성물 등의 임의의 회수를 가능하게 하는 단계를 포함한다.또한, 침지 조건하에 배터리의 크기 감소를 수행하기 위한 장치 및 시스템이 또한 제공된다.

Method for recovering iron, copper and manganese by co-reduction of copper smelting slag and ferromanganese ore

本发明公开了一种铜冶炼渣与锰铁矿共还原回收铁、铜和锰的方法，包括：(1)造球：将铜冶炼渣、锰铁矿和复合添加剂混匀后造球；所述复合添加剂包含石灰石60～80％；腐植酸钠20～40％；(2)预热：将生球进行干燥和预热，获得强度较高的预热球团；(3)预还原：将预热球团配入还原剂，在950～1050℃下进行还原反应；(4)熔分：将炽热的预还原球团和适宜比例的还原剂混合送入矿热炉中进行熔分，使渣铁分离，并冷却，获得含铜铁水和富锰渣；(5)浸出：将富锰渣经过破碎和磨矿后，然后经过碱浸和酸浸，浸出其中的MnO。本发明方法所获得含铜铁水，铁品位高于95％、铜品位高于1.2％，铁的回收率超过97％，铜的回收率超过90％，锰的浸出率超过90％，实现铁、铜和锰的高效利用。

Co-recovery method of cobalt and manganese from litium cells

The invention relates to a method for simultaneously recovering cobalt and manganese from a lithium cell, and more particularly, to a method which can recover high-purity cobalt and manganese at the same time from a lithium cell, which is a circulation resource, containing a large amount of cobalt and manganese by using a multi-stage leaching method and electrowinning method. Accordingly, the method has an advantage of improving economical efficiency compared to the existing method. The method comprises the steps of: (1) treating a lithium cell with heat; (2) pulverizing the lithium and separating the lithium with a particle size of 12 or less mesh; (3) performing a multi-stage leaching; (4) obtaining a solution for electrowinning using PC88A(2-ethylhexyl phosphonic acid mono-2-ethylhexyl ester); (5) electrowinning using a circulation typed electrode, wherein the electrode uses a stainless steel for a positive electrode, and an alloy of 93%Pb-7%Sn for a negative electrode; and (6) washing an EMD (electrolytic manganese dioxide).

Patent SU381228A3

Method for recovering metals from oxidized ores

本发明公开了一种从氧化矿石、特别是从多金属结核中回收有价值金属的方法。所述方法适用于回收Cu、Co、Ni、Fe和Mn，上述金属是这种多金属结核中受关注的主要金属。在众多方法中，本发明的方法的特征在于，Fe的处理，Fe在溶液中溶解并保持在所述溶液中直到结晶步骤，而不是在更早的阶段除去。得到混合的Mn‑Fe残渣，其在热处理之后提供适用于钢或锰工业的Mn‑Fe氧化物。获得了优异的Cu、Co和Ni的收率，而Fe与Mn一起浸提且增值。

Method for desiliconizing hydrated oxide valuable element during leaching

本发明公开了一种水合氧化物有价元素浸出时脱硅的方法。该方法包括以下步骤：S1，对水合氧化物渣进行脱水处理和渣的散碎处理；S2，干化蚀变，向水合氧化物渣中加入硫酸和水，通过控制硫酸的浓度、水的添加量、反应温度及搅磨强度实现第一次生成过滤性硅聚沉体；S3，添加水使在第一次生成过滤性硅聚沉体与未完全反应块料二次反应生成过滤性硅聚沉体；S4，添加助溶剂提高体系离子强度强化可溶硅的聚沉行为，然后稀释至设定固液比，进行固液分离。应用本发明的技术方案，不仅可以实现矿渣中有价元素浸出，同时抑制了杂质硅元素的浸出。

Method for extracting manganese in system of recovering lithium in sea water and mehtod for manufacturing adsorbent for recovering lithium in sea water

해수 내 리튬을 회수하는 과정 중 망간을 추출하는 방법 및 이를 이용한 해수 내 리튬을 회수하기 위한 흡착제의 제조 방법에 관한 것으로, 망간 산화물로 이루어진 흡착제를 이용하여 해수 내 리튬을 흡착하는 단계; 상기 흡착제에 흡착된 리튬을 산성 용액을 이용하여 탈착하여 리튬 탈착액을 수득하는 단계; 및 상기 리튬 탈착액에 포함된 망간 이온을 하기 반응식 1을 통해 회수하는 단계;를 포함하는 해수 내 리튬을 회수하는 과정 중 망간을 추출하는 방법을 제공한다. [반응식 1] Mn 2 + + Ca(OH) 2 → Mn(OH) 2 + Ca 2 +

Full-wet recovery process of waste lithium battery

本发明公开了一种废旧锂电池的全湿法回收工艺，所述工艺包括湿法带电破碎、电池碎料直接浸出、浸出液原位除杂、深度除杂和材料再制备等步骤，该工艺通过一个较短的流程即可实现对废弃锂离子电池的回收，其具有镍、钴、锰、锂元素收率高，设备投资低，废气、废水产量小等优点。

Method for preparing precursor material for positive active material and positive active material for lithium secondary battery, and positive active material for lithium secondary battery prepared thereby

本发明提供：一种通过利用高镍含量的废二次锂电池制备正极活性材料的前体材料的方法；一种制备用于二次锂电池的正极活性材料的方法，该正极活性材料包括通过该制备正极活性材料的前体材料的方法所制备的正极活性材料的前体材料；以及一种用于锂二次电池的正极活性材料，该正极活性材料是根据该制备用于二次锂电池的正极活性材料的方法所制备的。

Method for removing magnesium impurities in a manganese compound manufacturing process

본 발명은 망간화합물과 나트륨계 침전제를 혼합하는 단계; 및 망간화합물 및 나트륨계 침전제의 혼합물에 이산화탄소를 블로잉하는 단계를 포함하며, 상기 이산화탄소를 블로잉하는 단계에서 pH는 6.5 이하로 제어되는 망간화합물에서의 마그네슘 불순물의 제거 방법에 관한 것이다. 본 발명에서는 이산화탄소를 망간회수반응(침전반응) 중에 함께 투입하여, 망간화합물에서의 마그네슘 불순물을 제거할 수 있다. The present invention relates to a method for producing a polyurethane foam, comprising: mixing a manganese compound and a sodium based precipitant; And The method comprising: blowing carbon dioxide to a mixture of a manganese compound and a sodium based precipitant, And a method for removing magnesium impurities from a manganese compound whose pH is controlled to 6.5 or lower in the step of blowing carbon dioxide. In the present invention, it is possible to remove the magnesium impurity from the manganese compound by simultaneously introducing carbon dioxide into the manganese recovery reaction (precipitation reaction).

Metal material recovery method in a kind of waste and old ternary power battery

本发明涉及一种废旧三元动力电池中金属材料回收方法，属于电池材料回收与循环利用技术领域。首先将正负极混合粉末与磷酸溶液等反应，过滤得第一溶液；向其加入高锰酸钾溶液，回收二氧化锰，得到第二溶液，向其加入丁二酮肟溶液，得丁二酮肟镍沉淀和第三溶液，将丁二酮肟镍溶于盐酸，分离得到第四溶液，对其电沉积回收金属镍；再利用混合萃取剂萃取第三溶液中的钴离子，分离得有机相和第五溶液，用硫酸反萃取有机相中的钴，得第六溶液，对其电沉积回收金属钴；向第五溶液中加入碳酸钠溶液，回收碳酸锂。本发明采用温和且稳定的磷酸‑亚硫酸氢钠体系；将沉淀、萃取、电沉积多种提纯方法，互不干扰，分离效果好；回收的产物种类多，用途广。

Method for chemical enrichment of polymetallic manganese containing ore

FIELD: metallurgy. SUBSTANCE: method for chemical enrichment of polymetallic manganese containing ores includes crushing and grinding ore, which is carried out to size of minus 0.125, autoclave leaching from ore elements by mixing it with 18 % solution of iron chloride in ratio 1:9 with further heating to temperature of 475-500 K for 3:00. Obtained after leaching pulp is cooled to 353-363 K and solution is separated from residue. Selective deposition from solution of manganese, nickel, iron and cobalt in form of their compounds. Manganese is deposited with solution of lime milk at pH = 7-8 and T = 298 K, iron - ammonia solution is at pH = 4-5 and T = 298 K, by nickel - calcium hypochlorite solution and lime milk at pH = 10 and T = 298 K, and cobalt - solution of soda at pH = 8-9 and T = 323 K. After deposition of compounds of said elements, precipitate is separated from solution and calcined precipitation of iron compounds, manganese and cobalt. EFFECT: higher extraction of manganese, nickel, cobalt. 1 cl, 1 dwg, 1 tbl, 1 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 583 224 C1 (51) МПК C22B 47/00 (2006.01) C22B 3/04 (2006.01) C22B 23/00 (2006.01) C01G 45/02 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2015100859/02, 12.01.2015 (24) Дата начала отсчета срока действия патента: 12.01.2015 (45) Опубликовано: 10.05.2016 Бюл. № 13 2 5 8 3 2 2 4 R U (54) СПОСОБ ХИМИЧЕСКОГО ОБОГАЩЕНИЯ ПОЛИМЕТАЛЛИЧЕСКИХ МАРГАНЕЦСОДЕРЖАЩИХ РУД (57) Реферат: Изобретение относится к металлургии. Способ и кобальта в виде их соединений. Марганец химического обогащения полиметаллических осаждают раствором известкового молока при марганецсодержащих руд включает дробление и pH=7-8 и T=298 K, железо - раствором аммиака размол руды, который ведут до крупности минус при pH=4-5 и T=298 K, никель - раствором 0,125, автоклавное выщелачивание гипохлорита кальция и известковым молоком при присутствующих в руде элементов путем pH=10 и T= ...

Method of utilizing used chemical sources of current of manganese-zinc system

FIELD: technological processes. SUBSTANCE: invention relates to a method of recycling spent, mainly manganese-zinc alkaline chemical source of electric energy (CSEE). Method involves grinding, separation and acid treatment. Grinding is carried out after dismantling of CSEE bodies, separation of packing materials of CSEE bodies and metal part, after which CSEE components are treated at room temperature for 1-3 hours with sulfuric acid with concentration of 40-48 %, taken in quantitative ratio of 2.66-3 to CSEE weighting value in the presence of hydrogen peroxide concentration of 3-10 %, taken in quantitative ratio of 3.26-10.6 to CSEE weighting value. Obtained mixture is filtered, separating graphite, and the filtered mother solution is neutralized with sodium hydroxide (NaOH) at room temperature to pH 6-8 and evaporated to obtain a dry residue - zinc sulphate and manganese sulphate crystals. EFFECT: method enables to recycle manganese-zinc spent CSEE with higher extraction of manganese and zinc, while reducing the cost of recycling. 1 cl, 1 tbl, 3 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 734 205 C1 (51) МПК C22B 7/00 (2006.01) B09B 3/00 (2006.01) C22B 19/30 (2006.01) C22B 3/08 (2006.01) C22B 47/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК C22B 7/00 (2020.08); C22B 19/30 (2020.08); C22B 3/08 (2020.08); C22B 47/00 (2020.08); Y02P 10/20 (2020.08) (21)(22) Заявка: 2020114846, 27.04.2020 27.04.2020 (73) Патентообладатель(и): Зимовец Пётр Александрович (RU) Дата регистрации: 13.10.2020 Приоритет(ы): (22) Дата подачи заявки: 27.04.2020 (45) Опубликовано: 13.10.2020 Бюл. № 29 2 7 3 4 2 0 5 R U (54) Способ утилизации использованных химических источников тока марганцево-цинковой системы (57) Реферат: Изобретение относится к способу утилизации водорода концентрации 3-10%, взятой в отработавших свой ресурс, преимущественно количественном соотношении 3,26-10,6 к величине марганцово-цинковых щелочных химических ...

Manganese ore beneficiation process

本发明提供了一种锰矿石选矿方法，其包括用酸浸滤所述矿石以去除碳酸钙和碳酸镁的步骤。首先通过常规方式将所述矿石破碎成所需粒度。进行氧化钙和碳酸镁的选择性浸滤，留下具有更高锰含量的矿石。

Lithium carbonate manufacturing method

Recovery method of lithium carbonate from lithium-nickel manganese cobalt oxide

The present invention provides a method for recovering lithium carbonate from a lithium-nickel manganese cobalt oxide which is ecofriendly and can obtain a recovery product having high purity through a simple process. The method for recovering lithium carbonate from a lithium-nickel manganese cobalt oxide of the present invention comprises the following steps of: performing pyrolysis of a lithium-nickel manganese cobalt oxide to obtain a pyrolysis product in an oxygen-free atmosphere under a carbon dioxide condition; heat treating the pyrolysis product to obtain a heat treated product; washing the heat treated product, and separating a solid phase material and a liquid phase; and providing carbon dioxide to the solution obtained in the liquid phase to acquire lithium carbonate.

Pyrolusite pyrogenic reduction method

本发明涉及一种以磷铁化合物为还原剂火法还原软锰矿的方法，其中以磷铁化合物为还原剂将软锰矿在高温下焙烧得到一氧化锰，进一步采用硫酸浸出方法得到硫酸锰溶液。通过这种方式实现了软锰矿的还原，为软锰矿的还原提供了一种新的方法。相比传统方法，本发明具有能耗低，处理速度快，环境效益好等优点。该方法中采用的磷铁可以来自化工副产物——磷铁渣，在我国的磷酸工业大量产出。该方法在还原软锰矿的同时实现了磷铁的资源化转化和利用，也使该方法具有成本低的优点。此外，本方法还具有工艺简单反应易操作，对过程设备的要求低，能耗低，清洁环保，效益高，适合软锰矿的还原浸出和磷铁渣的资源化利用。

A kind of method that manganese is extracted from Mn-rich slag

本发明公开了一种从富锰渣中提取锰的方法，包括：（1）将富锰渣用硫酸溶液调浆后得到混合料浆，其中，硫酸溶液中硫酸质量分数不低于70%，富锰渣为锰矿火法冶炼生产铁锰合金所得的一种产物；（2）将混合料浆在不低于50℃的温度下保温；（3）对保温处理后的产物进行焙烧，控制焙烧温度不低于150℃，焙烧时间不少于30min；（4）对焙烧产物进行浸出，固液分离后得到硫酸锰溶液。本发明的工艺对富锰渣采用浓硫酸熟化浸出工艺，使锰浸出率更高，浸出产物含水率低，降低了产物焙烧处理能耗；同时还降低硫酸锰溶液中Si、Al、H 2 SO 4 的含量，有利于后续硫酸锰溶液的提纯，为后续生产高附加值锰提供了可能，经济与环境效益显著。

The recovery method of transition metal sulfate solution and application

本发明涉及一种过渡金属硫酸盐溶液的回收方法及应用。所述回收方法包括以下步骤：以草酸或草酸盐作为沉淀剂，与废旧锂电池的正极材料反应，得到过渡金属草酸盐固体沉淀物；将所述过渡金属草酸盐固体沉淀物与硫酸混合，得混合物；将所述混合物加热至180℃‑400℃，蒸干所述混合物中的水分，保温1h‑3h，冷却至室温，得固体；于水中溶解所述固体，过滤，即得过渡金属硫酸盐溶液。上述方法能够成功地将过渡金属的草酸盐沉淀转化为过渡金属硫酸盐溶液，为电池材料的回收提供了一种新思路，并且转化率高。

Method for synergistically leaching nickel, cobalt and manganese by utilizing waste lithium ion battery black powder and nickel cobalt sulfide ore and application

本发明提供了一种利用废锂离子电池黑粉与硫化镍钴矿协同浸出镍钴锰的方法和应用，涉及冶金的技术领域，包括：废锂离子电池黑粉和硫化镍钴矿混合制得矿浆；加入助浸剂和浸出剂到所述矿浆中，调节矿浆的pH值；通入含氧气体；控制体系的浸出条件，协同浸出有价金属离子。本发明利用电池黑粉的氧化性和硫化镍钴矿的还原性，采用助浸剂作为中间载体和催化剂，助浸剂起到传递电子的作用，从而加速了固‑固反应动力学过程，达到了协同浸出金属离子效果。本发明提供的协同浸出方法具有化学试剂消耗少、成本低、操作简单、环境友好以及易于实现工业应用等的优点。

Copper tailing recycling treatment coupling flue gas desulfurization method and system based on ammonioiarosite precipitation method

本发明公开了一种基于黄铵铁矾沉淀法的铜尾矿资源化处理耦合烟气脱硫方法及系统，所述方法包括：S1、将待处理尾矿配成尾矿浆；S2、将烟气与氧气混合后的混合气体与尾矿浆均匀混合，净化后的烟气外排，浆液过滤，得到脱硫浆液；S3、向脱硫浆液中加入硫化铵，充分反应后过滤，得到金属硫化物滤渣和滤液；S4、将滤液先调整pH，并在反应过程中加入碳酸锰矿浆控制体系pH，恒温反应后固液分离，得到黄铵铁矾沉淀，滤液返回作为浆化液使用。本发明使铜矿浆脱硫液资源化处理，有效分离铜矿浆脱硫液中的铁、铵，使用碳酸锰矿来中和沉矾过程中所释放的硫酸，既能将余酸调控在成矾的酸度范围内，又能协同将锰浸出，最后将铁离子以黄铵铁矾沉淀的形式除去。

Selective extraction by leaching of minerals from composite ores

FIELD: mining. SUBSTANCE: invention relates to a method of leaching of valuable minerals from a permeable ore body or from the solid particles obtained from the ore containing components of metal carbonates and sulphides. The method comprises initial leaching of carbonates by water leachant containing the acid selected for dissolution of carbonates, but not sulphides, at controlling of level of leaching for avoidance of CO 2 gas release in an ore body. Then sulphides are leached by a water leachant containing a salt of multivalent metal capable to oxidation of sulphides in soluble oxidation products. Then extraction of the required valuable metals from separate products of leaching is performed. EFFECT: exception of blocking in the depths of the flow channel preventing leaching of all required valuable metals. 13 cl РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (51) МПК C22B 3/04 C22B 13/00 C22B 19/00 C22B 26/20 C22B 47/00 (13) 2 553 106 C2 (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2012110295/02, 17.08.2010 (24) Дата начала отсчета срока действия патента: 17.08.2010 (72) Автор(ы): Роберт А. ГЕЙСЛЕР (CA), Мадхав П. ДАХАЛ (CA) (73) Патентообладатель(и): ЯВА ТЕХНОЛОДЖИЗ ИНК. (CA) Приоритет(ы): (30) Конвенционный приоритет: (43) Дата публикации заявки: 27.09.2013 Бюл. № 27 R U 19.08.2009 CA 2,676,273 (45) Опубликовано: 10.06.2015 Бюл. № 16 A, 25.02.1975. RU 2114196 С1, 27.06.1998. WO 2006007484 A1, 19.01.2006. US 4376098 A, 08.03.1983. EP1281779 A2, 05.02.2003 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 19.03.2012 2 5 5 3 1 0 6 (56) Список документов, цитированных в отчете о поиске: US 4043599 A, 23.08.1977. US 3868439 2 5 5 3 1 0 6 R U CA 2010/001263 (17.08.2010) C 2 C 2 (86) Заявка PCT: (87) Публикация заявки PCT: WO 2011/020181 (24.02.2011) Адрес для переписки: 105082, Москва, Спартаковский пер., д. 2, стр. 1, секция 1, этаж 3, "ЕВРОМАРКПАТ" (54) ...