Heavy metal adsorption copolymer with sulfonic acid group and preparation method thereof, and application of heavy metal adsorption copolymer to water treatment

The invention relates to heavy metal adsorption copolymer with a sulfonic acid group and a preparation method and application thereof. The preparation method is simple, and easy to operate; and the copolymer can effectively adsorb Cr<3+>, Cd<2+>, Cu<2+> and Pb<2+> ions when used for water treatment. The preparation method of the heavy metal adsorption copolymer with the sulfonic acid group comprises the following step of: performing radiation polymerization on 2-acrylamide-2-methylpropanesulfonic acid (AMPS for short) and N-vinylformamide (NVF for short) in a molar ratio of 1:1-1:9 by using high-energy rays, wherein the radiation dose of the radiation polymerization is 1*10<3> to 1*10<6>Gy, and the polymerization temperature is between -63 and -95 DEG C. The copolymer has a good pore structure, can effectively adsorb and chelate heavy metal ions, and has certain mechanical strength and long service life.

Device for simulating in-situ river course sediment anaerobic ammoxidation process, and use method and application thereof

The invention belongs to the technical field of ecological engineering, and particularly relates to a device for simulating an in-situ river course sediment anaerobic ammoxidation process, and a use method and application thereof. The device is composed of an organic glass column, a gas collection box on the top of a test column, a water body temperature control system on the surface of the double-layer organic glass column, a computer monitoring unit and an in-situ water body water storage unit. The inside of the simulation test column is provided with a submerged plant (waterweed), an in-situ sediment deposit, a temperature probe, a pH probe and a dissolved oxygen probe. The device can implement real-time monitoring on the temperature, pH and dissolved oxygen in the whole simulation culture process, and can regularly complete determination of gas production condition in the device, determination of the concentration of water body nutritive salts and determination of the anaerobic ammoxidation ...

Polymer hydrogel, preparation method and application thereof to water treatment

The invention relates to polymer hydrogel and a preparation method thereof. The polymer hydrogel comprises polymerized N-vinyl imidazole and hydroxyethyl acrylate, wherein the molar ratio of the N-vinyl imidazole to the hydroxyethyl acrylate is 1:1 to 1:9. The preparation method comprises the following steps of: uniformly mixing the N-vinyl imidazole, the hydroxyethyl acrylate and water; then charging nitrogen, and polymerizing by adopting high-energy ray irradiation at the temperature of minus 63 DEG C to minus 95 DEG C to obtain the polymer hydrogel. The polymer hydrogel provided by the invention has a good pore structure, contains multiple functional groups capable of adsorbing heavy metals, has high capacity of adsorbing ions including Pb<2+>, Cr<3+>, Cd<2+> and Cu<2+>, can effectively adsorb and chelate heavy metal ions, has certain mechanical strength and long service life, and can be used for sewage treatment. In the preparation method, an initator does not need to be added so that ...

Heavy metal adsorption copolymer with sulfonic acid group and preparation method thereof, and application of heavy metal adsorption copolymer to water treatment

Comamonas aquatica LNL3 and use thereof in waste water biological denitrification

The invention belongs to the bioengineering technical field, in particular relating to an aquatic Comamonas sp. strain and application of the aquatic Comamonas sp. strain in short-range nitration-denitrification denitrogenation during the biological denitrogenation process of waste water. The aquatic Comamonas sp. strain is Comamonas aquatica LNL3 and preserved in 'China General Microbiological Culture Collection Center of the China Committee of Culture Collection for Microorganisms' on January 24th, 2008, with a collection number of CGMCC No.2361. The strain is collected from a hydrophyte root zone in a water body in Jinshan Lake of Zhenjiang, a open water zone in a water body in the Jinshan Lake and deposits of the Jinshan Lake, is separated, and can be grown in a basal culture medium which takes CO2 as a carbon source and energy or CO2 and an organic substance as a mixed carbon source and the energy and takes ammonia nitrogen or nitrate nitrogen as a nitrogen source. Bacteria solution ...

Comamonas aquatica LNL3 and use thereof in waste water biological denitrification

The invention belongs to the bioengineering technical field, in particular relating to an aquatic Comamonas sp. strain and application of the aquatic Comamonas sp. strain in short-range nitration-denitrification denitrogenation during the biological denitrogenation process of waste water. The aquatic Comamonas sp. strain is Comamonas aquatica LNL3 and preserved in 'China General Microbiological Culture Collection Center of the China Committee of Culture Collection for Microorganisms' on January 24th, 2008, with a collection number of CGMCC No.2361. The strain is collected from a hydrophyte root zone in a water body in Jinshan Lake of Zhenjiang, a open water zone in a water body in the Jinshan Lake and deposits of the Jinshan Lake, is separated, and can be grown in a basal culture medium which takes CO2 as a carbon source and energy or CO2 and an organic substance as a mixed carbon source and the energy and takes ammonia nitrogen or nitrate nitrogen as a nitrogen source. Bacteria solution ...

Sphingomonas strain and application thereof in water treatment

The invention belongs to the technical fields of environmental engineering and bioengineering and particularly relates to a sphingomonas strain and applications thereof in the aspects of shortcut nitrification-denitrification of nitrogen-containing industrial waste water and domestic sewage and treatment of a polluted water source. The sphingomonas strain is separated from a Taihu water in China,is a local strain and has high safety; and the strain can be grown in a basic medium, wherein in the basic medium, CO2 is used as a carbon source and energy or CO2 and an organism are used as a mixedcarbon source and energy, and ammonia nitrogen or nitrate nitrogen is used as a nitrogen source. The bacterium liquid, the dormancy cell and the immobilized strain of the sphingomonas can decompose ammonia nitrogen into nitrite nitrogen and simultaneously can decompose the ammonia nitrogen into nitrogen, can be used as denitrification microorganism for converting the ammonia nitrogen into the nitrite ...

First roast alcoholization room of flue -cured tobacco

The utility model relates to a first roast alcoholization room of flue -cured tobacco, its characterized in that just is equipped with door (2) and window (3) on roast alcoholization room body (1), just being equipped with alcoholization platform (4) in roast alcoholization room body (1), is equipped with the alcoholization on the alcoholization platform (4) and fills up (5). The utility model relates to a first roast alcoholization room of flue -cured tobacco and traditional alcoholization mode relatively refines effectually, more can improve the appearance quality of tobacco leaf, improvement tobacco grower's economic benefits.

Three-element copolymerized hydrogel, preparation method thereof and application thereof in water treatment

The invention relates to a three-element copolymerized hydrogel and a preparation method thereof. The preparation method is simple, and easy to implement; and the obtained three-element copolymerized hydrogel can effectively adsorb Cr3+, Cd2+, Cu2+ and Pb2+ ions. The preparation method for the three-element copolymerized hydrogel comprises the following step of: performing radiation polymerization on hydroxyethyl acrylate, n-ethylene dimethacrylate and 2-acrylamide-2-methylpropanesulfonic acid, wherein the molar ratio of the hydroxyethyl acrylate to the n-ethylene dimethacrylate to the 2-acrylamide-2-methylpropanesulfonic acid is (1-2):(0.1-0.6):(0.1-0.7); the n-ethylene dimethacrylate monomer is one of 2G, 4G, 9G and 14G; the radiation dosage of radiation polymerization is 1*103-1*106Gy;and the polymerization temperature is between -63 and -95DEG C. The invention has the advantages that: the three-element copolymerized hydrogel can effectively adsorb and chelate heavy metal ions; and the ...

Modified hydrogel with sulfhydryl and preparation method and application of modified hydrogel

The invention discloses a preparation method of modified hydrogel with sulfhydryl. The preparation method comprises the following steps: I, 1, uniformly mixing L-cysteine, 2-hydroxyethyl acrylate and water according to a proportion; 2, performing ultrasonic treatment on a mixed solution for 10-30 min; 3, introducing inert gases in the mixed solution for performing protection; and 4, irradiating and polymerizing the hydrogel by adopting high-energy rays gamma or electronic beams under the conditions that the temperature is -63 DEG C to -95 DEG C and the radiation dosage is 1*10<4> Gy to 1*10<8> Gy; and II, 1, drying the prepared modified hydrogel with sulfhydryl until reaching a constant weight; and 2, weighing the modified hydrogel with sulfhydryl and placing the modified hydrogel with sulfhydryl in a container, adding the modified hydrogel with sulfhydryl in an N-acetyl-L-cysteine solution to ensure that the modified hydrogel with sulfhydryl is immersed in the N-acetyl-L-cysteine solution ...

Submerged ecological bed for purifying eutrophic waterbody and application thereof

The invention discloses a submerged ecological bed for purifying eutrophic waterbody and an application thereof, belonging to the technical field of water environmental pollution treatment. The submerged ecological bed mainly comprises a submerged plant bed, a microbe bed, a buoyancy regulating device and an anchoring device. The upper layer of the submerged ecological bed is submerged plant, and the lower layer thereof is microbe; the lower layer microbe bed is disassemble for increasing the microbe amount at any time; the submerged ecological bed is provided with the buoyancy regulating device for regulating submerge depth and combines with each bed body by the anchoring device at the bottom part thereof; a fine bubble aerator is arranged at the bottom part thereof for fine bubble aerating; the submerged plant at the upper layer of the submerged ecological bed can generate oxygen gas by photosynthesis to form an aerobic-anaerobic microenvironment near roots, thus being favor of converting ...

Method and device for simulating water bloom floatation of blue algae

The invention provides a method and a device for simulating the water bloom floatation of blue algae, belonging to the field of water environment. The device comprises a reaction column, a light source and a heating sink, wherein the light source and the heating sink are arranged at the top of the reaction column; the top of the reaction column is sealed aseptically; the outer surface of the reaction column is provided with an aseptic aeration inlet, a culture liquid inlet, an aseptic stirring airflow inlet and a circulating water inlet; the middle of the reaction column is provided with a sampling inlet; and the lower part of the reaction column is provided with a circulating water inlet. The method comprises the following steps: carrying out the amplification culture of algae species; sterilizing culture fluid and a simulating device; placing the culture fluid in the reaction column; inoculating the blue algae into the reaction column for sealing; setting environmental conditions; and ...

High efficiency nitrogen circulating bacteria artificial screening and application in aquatic ecological restoration and water treatment

Preparation method and application of composite hydrogel provided with amide group and hydroxyl group and loaded with nano manganese oxide hydrate

The invention relates to a preparation method and an application of composite hydrogel provided with an amide group and a hydroxyl group and loaded with nano manganese oxide hydrate. The preparation method comprises the following steps: uniformly mixing 2-hydroxyethyl acrylate, N-hydroxymethyl acrylamide and distilled water to obtain polymer hydrogel by virtue of radiation polymerization; by taking the polymer hydrogel as a template, loading nano manganese oxide hydrate in situ, wherein a molar ratio of 2-hydroxyethyl acrylate to the N-hydroxymethyl acrylamide monomer is (1-9) to (9-1), a polymerization temperature is (-)63 DEG C-(-)95 DEG C, the irradiation polymerization is performed by an aqueous solution of 2-hydroxyethyl acrylate and N-hydroxymethyl acrylamide in the presence of a protective gas, and a method for loading nano manganese oxide hydrate is an oxidization reduction reaction in-situ precipitation method. The composite hydrogel is applied to adsorbing heavy metal ions in ...

Multifunctional lake ecology restoration simulation device and use method as well as application

The invention belongs to the technical field of ecological engineering, particularly relating to a multifunctional lake ecology restoration simulation device and use method as well as application. The device comprises a multifunctional ecology restoration simulation test cylinder, a light source control system and a water temperature control system, wherein the light source control system and the water temperature control system are positioned outside the top of the test cylinder; the outer surface of a reaction cylinder is provided with a top cover, a culture liquid inlet and a circulating water outlet; the middle of the reaction cylinder is provided with a water sampling port, and the lower part of the reaction cylinder is provided with the circulating water inlet, a substrate sludge pore water sampling port and a bottom plug; and the test cylinder internally comprises a nitrogen cycle bacteria carrier, submerged plants and settings. By using the method and device, the comprehensive regulation ...

Supporting device for roof advance support in process of tunneling in caving loose rock mass and application of supporting device

The invention discloses a supporting device for a roof advance support in the process of tunneling in caving loose rock mass and application of the supporting device. The device is composed of round tubes, steel plates and a steel tube. The four round tubes are arrayed in a rectangular mode and divided into two sets of round tubes, the steel plates are welded to the ends of both the sets of round tubes, and the steel plates are connected through the steel tube in a supported mode. In the construction process, four horizontal holes are drilled firstly in the two walls of a tunnel according to the distance and the length of the round tubes, the round tubes are inserted into the horizontal holes, the round tubes are exposed out of the lateral walls of the tunnel about 0.2 m, then the steel plates are welded to the exposed parts of the round tubes respectively, and the steel tube is welded between the upper layer steel plate and the lower layer steel plate. In the using process, I-steel or ...

Biocompatibility immobilized carrier, its preparation method and application in immobilized microorganism

One-key start control system and method for whole process section of tobacco industry tobacco production line

The invention relates to a one-key start control system and method for a whole process section of a tobacco industry tobacco production line, and the control system comprises a data calculation platform, two server optical fiber switches, a main PLC control machine, two bottom layer control main optical fiber switches, a man-machine optical fiber switch, at least two man-machine interaction monitoring machines, and at least two bottom layer controllers. The data computing platform comprises a cloud virtual cluster computing platform server, a data storage IO server, a production process information management server, a leaf group raw material formula information management server, a leaf storage three-dimensional warehouse material information management server and a shred storage three-dimensional warehouse logistics information management server. The first bottom layer switch, the second bottom layer switch, the third bottom layer switch, the fourth bottom layer switch, the fifth bottom ...

Compound three-dimensional electrode reactor and application thereof in treatment of nitrogenous organic wastewater

The invention belongs to the technical field of environmental engineering, and relates to a device for treating wastewater, in particular to a three-dimensional electrode reactor which can effectively degrade nitrogenous organic wastewater and a treating process thereof. The main electrodes of the reactor respectively consist of two copper-zinc alloy electrodes and a titanium-iridium-platinum steady-state anode; active carbon is filled between the main electrodes; a part of active carbon is made into insulated particles through coating polyvinyl alcohol gel; and the proportion of the insulated active carbon particles to conductive active carbon particles is between 1: 6 and 6: 1. After a certain voltage is applied, the cathode undergoes nitrate reduction reaction, and the anode oxidizes ammonia nitrogen into nitrogen and mineralizes or converts COD into a simple organic matter. The existence of the filler can effectively strengthen the current efficiency of the reactor, reduce the energy ...

Treatment process and device of industrial wastewater containing heavy metal ions

The invention belongs to the technical field of water treatment, and in particular relates to a treatment process and device of industrial wastewater containing heavy metal ions. The treatment process and device comprise two parts namely an enhanced pre-treatment process and device and an adsorption treatment process and device, wherein the enhanced pre-treatment device comprises a raw water bucket, a reaction sedimentation tank and a filter tower which are connected with one another in sequence; the adsorption treatment device comprises a middle water tank, an adsorption tower and a clean water tank which are connected with one another in sequence. A filter material in the filter tower consists of quartz sand, anthracite, cobblestone, activated carbon, or zeolite; and a filling material in the adsorption tower is a hydrogel adsorption material. The treatment process and device disclosed by the invention have the advantages that a polymer hydrogel adsorbent and a fixed bed technology are ...

Sphingomonas strain and application thereof in water treatment

Multifunctional lake ecology restoration simulation device and use method as well as application

The invention belongs to the technical field of ecological engineering, particularly relating to a multifunctional lake ecology restoration simulation device and use method as well as application. The device comprises a multifunctional ecology restoration simulation test cylinder, a light source control system and a water temperature control system, wherein the light source control system and thewater temperature control system are positioned outside the top of the test cylinder; the outer surface of a reaction cylinder is provided with a top cover, a culture liquid inlet and a circulating water outlet; the middle of the reaction cylinder is provided with a water sampling port, and the lower part of the reaction cylinder is provided with the circulating water inlet, a substrate sludge pore water sampling port and a bottom plug; and the test cylinder internally comprises a nitrogen cycle bacteria carrier, submerged plants and settings. By using the method and device, the comprehensiveregulation ...

Compound three-dimensional electrode reactor and application thereof in treatment of nitrogenous organic wastewater

The invention belongs to the technical field of environmental engineering, and relates to a device for treating wastewater, in particular to a three-dimensional electrode reactor which can effectively degrade nitrogenous organic wastewater and a treating process thereof. The main electrodes of the reactor respectively consist of two copper-zinc alloy electrodes and a titanium-iridium-platinum steady-state anode; active carbon is filled between the main electrodes; a part of active carbon is made into insulated particles through coating polyvinyl alcohol gel; and the proportion of the insulated active carbon particles to conductive active carbon particles is between 1: 6 and 6: 1. After a certain voltage is applied, the cathode undergoes nitrate reduction reaction, and the anode oxidizes ammonia nitrogen into nitrogen and mineralizes or converts COD into a simple organic matter. The existence of the filler can effectively strengthen the current efficiency of the reactor, reduce the energy ...

Artificial wetland device for denitrification of low-pollution water and treatment method thereof

The invention discloses an artificial wetland device for denitrification of low-pollution water and a treatment method thereof. The artificial wetland device for denitrification of low-pollution water comprises a constant-flow pump, an intake zone, a main body reaction zone and an outlet zone, wherein the low-pollution water is pumped into the intake zone through the constant-flow pump; an inlet hole and an intake valve are arranged in the intake zone; an outlet hole and an outlet valve are arranged in the outlet zone; a vertical upward hierarchical packing zone is arranged inside the main body reaction zone; a four-season evergreen aquatic plant is planted above the packing zone; denitrifying microbial liquid and a nutrient solution are arranged inside the main body reaction zone. By adopting the artificial wetland device, the effects of the artificial wetland in the aspect of denitrification treatment and three aspects of the plant, matrix and microorganisms are fully intensified, the ...

Preparation method and application of atomic layer deposition technology modified metal oxide positive electrode

The invention discloses a preparation method of a modified metal oxide positive electrode by using an atomic layer deposition technology, which can successfully deposit Al2O3, Fe2O3, ZnO, TiO2 and other metal oxides on the surface of cobalt-doped Ti3C2Tx coated HNaV6O16. 4H2O composite powder by controlling the types of reaction sources by using the atomic layer deposition technology. The invention also discloses an application of the metal oxide prepared by the preparation method of the atomic layer deposition technology modified metal oxide positive electrode combined with Ti3C2Tx coating and Co-doped HNaV6O16. 4H2O in a lithium/sodium ion battery, and the deposited metal oxide coating layer effectively inhibits the volume expansion of the material in the charging and discharging process; and moreover, the side reaction of the electrolyte on the active substance is reduced, so that the charge-discharge efficiency and the cycle stability of the positive electrode material are improved.

Unsaturated C4 hydrogenation method

The invention relates to an unsaturated C4 hydrogenation method. In the unsaturated C4 hydrogenation method, after unsaturated C4 and hydrogen are mixed, the mixture is subjected to two stages of hydrogenation reactions; the obtained reactant is cooled and separated to obtain a saturated C4 product, wherein the first stage of hydrogenation reaction comprises the following conditions that: the reaction pressure is in the range of 2.0 to 2.3MPa, the temperature of an inlet of a first-stage hydrogenation reactor is in the range of 60 to 90 DEG C, the temperature of a bed layer is in the range of 90 to 120 DEG C, the volume space velocity is in the range of 1.0-3.0h-1 and a ratio of hydrogen to total oil is in the range of 200 to 250Nm3/m3; and the second stage of hydrogenation reaction comprises the following conditions that: the reaction pressure is in the range of 2.0 to 2.3MPa, the temperature of an inlet of a second-stage hydrogenation reactor is in the range of 160 to 180 DEG C, the temperature ...

Remote start control system of Internet of Vehicles

The invention relates to the field of automobile control, in particular to an internet of vehicles remote start control system which comprises a mobile terminal, an intelligent key and a cloud server, the mobile terminal is in wireless connection with the cloud server, and the mobile terminal is used for sending a vehicle start instruction to the cloud server through Bluetooth or a wireless network; the intelligent key is in wireless connection with the cloud server, the intelligent key is used for sending a vehicle starting instruction to the cloud server through Bluetooth or a wireless network, and the cloud server is in wireless connection with the trip computer. The remote starting request is sent to the vehicle through the mobile terminal or the intelligent key, the vehicle can be started after information authentication is passed in the remote starting process, operation is easy, a user can send different instructions according to needs to remotely obtain the state data of the vehicle ...