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199 results about "Copper sulfate pentahydrate" patented technology

Method for controlling generation of copper sulfate pentahydrate and control system

The embodiment of the invention relates to the technical field of chemical engineering, and discloses a method for controlling generation of copper sulfate pentahydrate and a control system.The method comprises the steps that when a double decomposition reaction is conducted on a reaction kettle, the color of a solution in the reaction kettle is monitored in real time through a color matching algorithm; when it is monitored that the color of the solution in the reaction kettle is changed into the specified color, the turbidity value of the solution in the reaction kettle is monitored according to the proportional relation between the turbidity and the electric signal, and the adding speed of the acid solution and the stirring speed of stirring equipment are adjusted; when it is monitored that the turbidity value of the solution in the reaction kettle reaches a first specified threshold value and the temperature of the solution in the reaction kettle is reduced to a second specified threshold value, the cleaning time of the crystallized material is determined according to the weight of the crystallized material in the reaction kettle; and monitoring the moisture content value of the crystallized material by using a near infrared measurement method. By implementing the embodiment of the invention, the production efficiency of the copper sulfate pentahydrate can be improved.
Owner:ZHONGSHAN TORCH ENVIRONMENTAL PROTECTION NEW MATERIAL CO LTD

Woven suede fabric and preparation process thereof

The invention discloses a woven suede fabric and a preparation process thereof, and relates to the technical field of fabrics. According to the preparation method, the base cloth is subjected to dipping treatment by using the dipping liquid, so that the woven suede fabric with excellent flame retardance is prepared. A modified metal organic framework material is added into an impregnation liquid, the metal organic framework material has excellent thermal stability, 2-methylimidazole and zinc nitrate are used as raw materials, hexachlorocyclotriphosphazene with a good flame-retardant effect is packaged into the metal organic framework material, and the flame-retardant performance of the material is improved. The flame-retardant effect of the metal organic framework material is further enhanced, so that the flame-retardant property of the woven suede fabric is improved. The metal organic framework material is treated by using phytic acid, then copper sulfate pentahydrate is added, more metal ions can be chelated through the chelating performance of phytic acid on the metal ions, the catalytic carbonization effect is achieved, and therefore the flame retardant property of the woven suede fabric is improved.
Owner:CHANGZHOU BEAUTIFUL KNITTING TECH

Multi-nutrient balanced lick brick for grazing down producing goats as well as preparation method and application of multi-nutrient balanced lick brick

PendingCN119214244Amaintain normal physiological functionimprove immunityFood processingAnimal feeding stuffNutritionPotassium iodine
The invention provides a multi-nutrient balanced lick brick for grazing down producing goats as well as a preparation method and application thereof, and belongs to the technical field of animal feed development. The multi-nutrient balanced lick brick is prepared from the following raw materials in parts by weight: 20 to 100 parts of copper sulfate pentahydrate, 35 to 165 parts of zinc sulfate monohydrate, 0.1 to 1 part of sodium selenite, 54.5 to 270 parts of anhydrous ferrous sulfate, 10 to 40 parts of manganese sulfate monohydrate, 15 to 65 parts of 1 percent cobalt chloride, 0.2 to 2 parts of potassium iodide, 40 to 200 parts of DL-alpha-tocopheryl acetate, 0.2 to 2 parts of vitamin A acetate, 40 to 200 parts of calcium carbonate and 20 to 100 parts of adhesive. And 8855-9765 parts of sodium chloride. The proportion of various nutritional ingredients is reasonably adjusted, the requirements of the grazing cashmere goats for microelements and vitamins can be comprehensively met, then the cashmere density is increased, and the cashmere yield is increased. Meanwhile, the fineness of cashmere can be reduced, and the quality of cashmere is improved.
Owner:CHINA AGRI UNIV +1

Floating type copper-loaded sodium alginate hydrogel ball as well as preparation method and application thereof

The invention relates to a floating type copper-loaded sodium alginate hydrogel ball as well as a preparation method and application thereof, and belongs to the technical field of water ecological restoration. The technical problem to be solved by the invention is to provide the preparation method of the floating type copper-loaded sodium alginate hydrogel ball. The method comprises the following steps: preparing a solution A and a solution B, wherein the solution A is prepared from sodium alginate, citrate, an acidic pH regulator, hydrogen peroxide and water; the solution B consists of copper sulfate pentahydrate, citrate, a pH regulator and water; dropwise adding the solution A into the solution B to obtain hydrogel balls; and filtering and washing. The hydrogel ball can float on the water surface and release copper ions in a low dosage for a long time, blue-green algae on the water surface are continuously killed, the influence on the water body is small, and the risk of water body pollution caused by excessive copper ion release can be greatly reduced; the algicide feeding device can effectively reduce the feeding frequency of the algicide, also reduces the labor cost caused by long-period feeding of the algicide, can float on the water surface, is easy to recycle, and does not cause secondary pollution to the water body.
Owner:SICHUAN QINGHE TECH

Leymus chinensis water culture nutrient solution as well as preparation method and application thereof

The invention discloses a Chinese wildrye hydroponic nutrient solution as well as a preparation method and application thereof, and belongs to the technical field of plant cultivation. Each liter of the nutrient solution comprises the following components: 80 to 120 mg of ammonium nitrate, 45 to 55 mg of sodium dihydrogen phosphate dihydrate, 80 to 90 mg of potassium sulfate, 110 to 115 mg of anhydrous calcium chloride, 400 to 410 mg of magnesium sulfate heptahydrate, 1.5 to 2.0 mg of manganese chloride tetrahydrate, 0.08 to 0.10 mg of ammonium molybdate tetrahydrate, 1.1 to 1.2 mg of boric acid, 0.02 to 0.05 mg of zinc sulfate heptahydrate, 0.02 to 0.05 mg of copper sulfate pentahydrate, 15 to 35 mg of ferrous sulfate heptahydrate and 20 to 50 mg of disodium ethylene diamine tetraacetate. The hydroponic nutrient solution provided by the invention meets the nutritional requirements of leymus chinensis, seedlings grow quickly and vigorously by utilizing the nutrient solution, the biomass and nutrient content of the overground part are remarkably increased, and the high-quality pasture characteristics of the leymus chinensis are ensured.
Owner:INNER MONGOLIA UNIVERSITY

Thiophanate-methyl production wastewater treatment method

The invention discloses a thiophanate-methyl production wastewater treatment method, and belongs to the technical field of pesticide wastewater treatment.The thiophanate-methyl production wastewater treatment method comprises the following steps that S1, copper sulfate pentahydrate is added into thiophanate-methyl production wastewater, then the mixture is introduced into a catalytic wet oxidation kettle for a reaction, and treatment liquid I is obtained; s2, adding a modified catalyst into the treating fluid I, and performing photocatalysis to obtain treating fluid II; and S3, carrying out three-stage membrane distillation treatment on the treatment liquid II to obtain a treatment liquid III, thereby completing the treatment. According to the method, the COD and ammonia nitrogen concentration in the production wastewater is remarkably reduced, and the COD and ammonia nitrogen removal rate is increased.
Owner:ANHUI GUANGXIN CHENGCHEN TECHNOLOGY CO LTD

Wear-resistant duplex stainless steel band and processing technology thereof

The invention relates to the technical field of stainless steel bands, and particularly discloses a wear-resistant duplex stainless steel band and a processing technology thereof. The method specifically comprises the following steps that S1, the surface of a duplex stainless steel band is electroplated with an iron-nickel-copper layer, and a stainless steel band A is obtained; the plating solution comprises the following components: 40-50 g / L of nickel sulfate hexahydrate, 20-30 g / L of ferric sulfate, 30-40 g / L of copper sulfate pentahydrate, 35-45 g / L of sodium citrate dehydrate, 25-30 g / L of sodium acetate and 20-25 g / L of sodium hypophosphite; s2, uniformly mixing organic silicon resin, hydrogen-containing silicone oil, ethanol, nano silicon carbide and a corrosion-resistant antibacterial agent to obtain a corrosion-resistant antibacterial coating; s3, the surface of the stainless steel band A is coated with the corrosion-resistant antibacterial coating, drying is conducted at the room temperature, and a stainless steel band B with a corrosion-resistant antibacterial coating on the surface is obtained; and coating gallium-containing zinc oxide sol on the surface of the stainless steel band B, and carrying out heat treatment to obtain the wear-resistant duplex stainless steel band with a gallium-containing zinc oxide layer on the surface.
Owner:JIANGSU YONGJIN METAL TECHNOLOGY CO LTD

Electrocoppering solution for filling X-shaped hole of printed circuit and application of electrocoppering solution

The invention provides an electrocoppering plating solution for filling X-shaped holes of a printed circuit. The electrocoppering plating solution comprises copper sulfate pentahydrate, sulfuric acid and sodium chloride, and an additive system comprises a first type of additive, a second type of additive and a third type of additive; the first type of additive is one or more of polyethylene glycol, polypropylene glycol, ethylene oxide and propylene oxide segmented copolymer, and the second type of additive is one or more of sodium dithiodipropane sulfonate, 3-mercapto-1-sodium propane sulfonate, phenyl sodium dithiodipropane sulfonate and 2-mercaptobenzimidazole. The third type of additive is one or more of 1-methyl-4-nitroimidazole, azathiopurine, 6-mercaptopurine and 2-thioxanthine, when the compound is applied to X-type hole filling, the high-quality filling effect is achieved, meanwhile, the average thickness increase of surface copper is controlled to be smaller than 13 microns, the recession degree is controlled to be smaller than 4 microns, the thickness of the surface copper is controlled to be smaller than 10 microns, and the surface copper is controlled to be smaller than 10 microns. Wherein the control capability of the surface copper thickness is in a leading position in similar inventions and existing production technologies.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

High-activity transition metal phosphide electrolyzed water catalyst and preparation method thereof

The invention relates to the technical field of catalyst processing, and discloses a high-activity transition metal phosphide electrolyzed water catalyst and a preparation method thereof, and the high-activity transition metal phosphide electrolyzed water catalyst comprises the following components by weight: 1-3 parts of cobalt chloride hexahydrate; 0.5 to 1.5 parts of ruthenium trichloride; 0.5 to 1.5 parts of iridium chloride (III) hydrate; 1-2 parts of copper sulfate pentahydrate; 2 to 4 parts of sodium hypophosphite; 1 to 2 parts of urea; 1 to 2 parts of glucose; 1-2 parts of sodium sulfide nonahydrate; 0.5 to 1 part of crystalline aluminum chloride; 50 to 100 parts of deionized water; and 0.1 to 0.5 part of hexadecyl trimethyl ammonium bromide. By introducing the plasma auxiliary treatment technology, the electronic structure of the catalyst is optimized, the conductivity and stability of the catalyst are improved, and the efficiency and durability of hydrogen production through water electrolysis are enhanced.
Owner:CHENZHOU NEW ENERGY BATTERY MATERIALS RESEARCH CENTER +2

Application of complex of trace elements in feed additive

The invention discloses application of a microelement complex in a feed additive, which comprises the following steps: mixing fresh kelp and water with the same mass as the fresh kelp, grinding and pulping to obtain kelp slurry, then adding compound enzyme into the kelp slurry, stirring and mixing uniformly, continuously adding boric acid and ammonium molybdate tetrahydrate under a magnetic field condition, stirring and mixing uniformly, and carrying out enzymolysis and chelation under an ultrasonic condition; sequentially adding zinc sulfate heptahydrate, ferrous sulfate heptahydrate, copper sulfate pentahydrate, cobaltous sulfate heptahydrate and manganese sulfate tetrahydrate while stirring, carrying out chelation reaction under a magnetic field condition, and centrifuging to take supernatant, so as to obtain a seaweed chelating solution; then adding maltose into the seaweed chelating liquid, uniformly stirring and mixing, continuously adding sodium selenite, and carrying out chelation reaction under the condition of a high-voltage pulsed electric field; and finally, continuously adding a beta-calcium polymalate aqueous solution under a magnetic field condition, carrying out ultrasonic oscillation treatment, and carrying out spray drying to obtain a complex of trace elements. The obtained complex of the trace elements can be used for preparing a feed additive, raw material sources are safe, and the complex has an obvious promoting effect on animal growth.
Owner:SHANDONG ANWEIXIAN BIOLOGICAL TECH CO LTD

Preparation method of antibacterial conductive copper nanoparticles, copper nanoparticles and application

The invention discloses a preparation method of antibacterial conductive copper nanoparticles, the copper nanoparticles and application. The method comprises the following steps: 1) adding copper sulfate pentahydrate and polyvinylpyrrolidone into ultrapure water to obtain a precursor solution; 2) heating the precursor solution to 75-95 DEG C, adding an ascorbic acid solution and dimethylethanolamine, carrying out a stirring reaction at 75-95 DEG C, and carrying out a heat preservation reaction at 60-80 DEG C to obtain a first solution; 3) filtering, washing, drying and sintering the first solution at low temperature to obtain copper nanoparticles; the copper nanoparticles are used for preparing antibacterial agents, flexible antibacterial materials or flexible sensors. The method is simple and easy to operate, operation is easy, technological parameters are easy to control, raw materials are easy to obtain, environment friendliness is achieved, performance is stable, and the obtained copper nanoparticles have good high temperature resistance, antibacterial property, conductivity and sensing performance and better meet the requirements of the modern chemical industry for environmental protection and sustainable development.
Owner:ZHEJIANG SCI-TECH UNIV

High-calcium suspension fertilizer as well as preparation method and application thereof

The invention discloses a high-calcium suspension fertilizer as well as a preparation method and application thereof, and relates to the technical field of chemical fertilizer production, the high-calcium suspension fertilizer comprises the following components in parts by weight: 20-30 parts of a macroelement fertilizer, 10-15 parts of a medium element fertilizer, 3-5 parts of a microelement fertilizer, 0.5-3 parts of an auxiliary agent and 30-50 parts of deionized water; the macroelement fertilizer is prepared from 30-50 parts of nitrogen fertilizer, 20-30 parts of phosphate fertilizer and 15-20 parts of potash fertilizer; the medium element fertilizer is modified nano calcium carbonate and magnesium carbonate; the trace element fertilizer is prepared from zinc amino acid, sodium tetraborate, ferric sodium ethylenediaminetetraacetate, molybdenum sodium ethylenediaminetetraacetate, manganese sulfate monohydrate and copper sulfate pentahydrate. Therefore, the nano calcium carbonate can be quickly absorbed by the plants, so that calcium ions can be supplemented in time in the growth process of the plants, and the growth of the plants is accelerated.
Owner:ZIYUYUAN (SHANDONG) ECOLOGICAL TECH CO LTD

Hydroponic nutrient solution for small seedlings of citrus reticulata blanco

The invention relates to an orange seedling hydroponic nutrient solution which comprises urea, potassium carbonate and a base solution, the base solution is composed of a solution A, a solution B and a solution C. The solution A comprises calcium nitrate tetrahydrate and potassium nitrate, the solution B comprises ammonium dihydrogen phosphate and magnesium sulfate heptahydrate, and the solution C comprises ammonium dihydrogen phosphate and magnesium sulfate heptahydrate. The solution C comprises disodium iron ethylenediaminetetraacetate / ferric sodium ethylenediaminetetraacetate, boric acid, manganese sulfate tetrahydrate, zinc sulfate heptahydrate, copper sulfate pentahydrate and ammonium molybdate tetrahydrate. By optimizing the components of the culture solution and combining screening experiments, the invention provides the water culture nutrient solution for the small seedlings of the citrus sinensis, and the cultured citrus sinensis has better growth speed, root system condition and plant form and has less pest and disease damage.
Owner:FOSHAN UNIVERSITY

Copper plating carrier blending method

The invention discloses a blending method of a copper plating bearing agent, which comprises a blending device, and the blending device is provided with a structure for simultaneously starting multiple powers with a stirring structure for a feeding port and is used for blending the copper plating bearing agent; the method comprises the following steps: raw material pretreatment, device debugging, step-by-step feeding, and starting of a multi-power structure by a filter screen plate. And the concentration is finely adjusted until the concentration of the copper plating bearing agent reaches the standard, and qualified mixed liquid is guided out. By adopting the method, the adding uniformity of the copper sulfate pentahydrate powder and the overall blending efficiency are improved, accurate blending of the copper plating bearing agent is guaranteed, and accurate control over the concentration of the copper plating bearing agent can be achieved through step-by-step input, medium-term sampling detection and fine adjustment.
Owner:GUANGZHOU BOQUAN NEW MATERIALS CO LTD

Method for improving copper plating uniformity of circuit board

The invention discloses a method for improving copper plating uniformity of a circuit board. The method comprises the following steps: performing surface treatment on a drilled circuit board; the circuit board is placed in the electroplating solution to be electroplated, and the technological conditions are that the temperature of the electroplating solution is 20-30 DEG C, and the current density is 1.5-2.5 A / dm < 2 >; the main chemical components of the electroplating solution comprise copper sulfate pentahydrate, sulfuric acid, hydrochloric acid and an additive, the concentration of the copper sulfate pentahydrate is 200-250 g / L, the concentration of the sulfuric acid is 50-70 g / L, and the concentration of chloride ions is 70-90 ppm. According to the method for improving the copper plating uniformity of the circuit board, by optimizing the components of the electroplating liquid and the parameters of the electroplating process, a plating layer is more uniform, the copper thickness range inside and outside holes is controlled to be about 8.0 microns, and the requirements of high-reliability PCBs (such as HDI and carrier plates) with the thickness-diameter ratio larger than 8: 1, such as 5G communication backboards and the like are met.
Owner:JIANG XI XU SHENG DIAN ZI GU FEN YOU XIAN GONG SI

Reagent concentration and MB value result correction method for detecting methylene blue solution for testing MB value of machine-made sand

The invention discloses a detection methylene blue solution reagent concentration and MB value result correction method for testing the MB value of machine-made sand. The detection methylene blue solution reagent concentration and MB value result correction method comprises the following steps: preparing drugs; preparing a methylene blue solution with the nominal concentration of 10g / L; determining the absorbance of the solution; according to the technical scheme, the quality of the methylene blue reagent solution for MB value detection can be effectively controlled. By monitoring the concentration of the prepared solution, the test error caused by too low or too high concentration due to insufficient purity or improper preparation of the original medicine reagent can be effectively prevented, and the technical scheme provided by the invention can quickly judge whether the prepared methylene blue solution meets the use requirement or not. Whether the prepared solution reaches the preparation concentration or not is rapidly judged by determining the absorbance of the diluent (1.5 mg / L) of the prepared methylene blue solution and comparing the absorbance of the diluent (1.5 mg / L) with the absorbance of the high-purity copper sulfate pentahydrate reagent (2.8 g / L).
Owner:CHONGQING UNIV

Preparation method of maleic acid-acrylic acid copolymer

PendingCN119285836Asmooth decomposition reactionstable decomposition reactionPolymer sciencePtru catalyst
The invention relates to a preparation method of a maleic acid-acrylic acid copolymer, and belongs to the field of fine chemical engineering. The preparation method comprises the following steps: preparing a composite catalyst solution from copper sulfate pentahydrate and ferrous sulfate heptahydrate; a main initiator azo initiator aqueous solution and an auxiliary initiator hydrogen peroxide aqueous solution are adopted, and maleic acid and acrylic acid monomers are subjected to low-temperature polymerization to prepare a maleic acid-acrylic acid copolymer aqueous solution. The residue of maleic acid free monomer in the maleic acid-acrylic acid copolymer prepared by the method is not more than 30ppm, the platinum-cobalt chromaticity is not more than 100, and no three wastes are generated in the whole process. Meanwhile, the chelation dispersing performance of the maleic acid-acrylic acid copolymer is superior to that of similar products at home and abroad.
Owner:JIYUAN QINGYUAN WATER TREATMENT CO LTD

Crystalline-amorphous composite self-supporting material as well as preparation method and application thereof

The invention discloses a crystalline-amorphous composite self-supporting material which is prepared by the following steps: taking foamed nickel NF as a substrate, taking copper sulfate pentahydrate, urea and ammonium fluoride as raw materials for hydrothermal reaction, obtaining NF / Cu-Cu2O through a hydrothermal method, then taking nickel sulfate hexahydrate, cobalt sulfate heptahydrate, sodium citrate and thiourea as raw materials for electrodeposition, and preparing NF / Cu-CuS2 / NiCoS through an electrochemical deposition method; the NF is used as a self-supporting framework; cu-CuS2 is of a flaky hydrangea structure, the diameter of the Cu-CuS2 is 10 microns, NiCoS is of a nano spherical structure, and the diameter of the NiCoS is 10 nm; niCoS nanospheres grow on the sheet layer of the hydrangea structure; cu and CuS2 are in a crystalline state, and NiCoS is in an amorphous state. The preparation method comprises the following steps: 1, preparing NF / Cu-Cu2O; and 2, the NF / Cu-CuS2 / NiCoS is prepared. When the composite material is used as a hydrogen evolution catalyst material, the overpotential is 39-42 mV and the Tafel slope is 130-136 mV.dec-1 within the range of 0-1.2 V and when the current density is 10 mA. Cm <-2 >; and under the conditions that the current density is 10mA. Cm <-2 > and the cycle time is 24h, the current retention rate is 95-98%.
Owner:GUILIN UNIV OF ELECTRONIC TECH

Temperature-sensitive antibacterial hydrogel based on copper nanoparticles with ultra-small particle size and preparation method of temperature-sensitive antibacterial hydrogel

The invention discloses temperature-sensitive antibacterial hydrogel based on ultra-small-particle-size copper nanoparticles and a preparation method of the temperature-sensitive antibacterial hydrogel, and relates to the technical field of biomedical materials. The preparation method of the temperature-sensitive antibacterial hydrogel comprises the step of uniformly mixing the gel matrix, the stabilizer, the pH buffer solution and the ultra-small-particle-size copper nanoparticles to prepare the temperature-sensitive antibacterial hydrogel. The preparation method of the copper nanoparticles with the ultra-small particle size comprises the following steps that lactoferrin is dissolved in water, copper sulfate pentahydrate is added, an alkali solution is added to adjust the pH of the solution to be 8-14, then a reducing agent is added for a reaction, dialysis and drying treatment are conducted, and the copper nanoparticles with the ultra-small particle size are obtained. The hydrogel has good injectability, can release the copper nanoparticles under specific conditions and rapidly sterilize, in addition, the hydrogel is convenient to synthesize and simple to operate, has good biocompatibility, shows relatively low cytotoxicity to cells, and has relatively great application potential in the process of treating skin wound infection.
Owner:INST OF BIOMEDICAL ENG CHINESE ACAD OF MEDICAL SCI

Copper-containing plating solution and method for plating copper on surface of graphene

The invention provides a copper-containing plating solution and a method for plating copper on the surface of graphene, and belongs to the technical field of chemical plating. The copper-containing plating solution provided by the invention comprises copper sulfate pentahydrate, hypophosphite, glyoxylic acid, ethylenediamine tetraacetic acid tetrasodium salt, sodium citrate and deionized water. The glyoxylic acid in the copper-containing plating solution can quickly provide electrons in the initial reaction stage, so that copper ions are quickly nucleated; hypophosphite can continuously reduce copper ions in the plating solution into copper atoms, and continuous growth of a copper layer is achieved; tetrasodium ethylene diamine tetraacetate and copper ions can form a complex with high stability, and the copper ions are slowly released; sodium citrate is used as an auxiliary complexing agent, so that the discharge potential can be adjusted, and the deposition process of copper ions is further optimized, so that compact coating of a to-be-plated copper matrix is realized, and the copper plating effect is effectively improved. Results of the embodiment show that the copper-containing plating solution provided by the invention can form a compactly coated copper layer on the surface of graphene.
Owner:GUANGXI UNIV

Silver-plated copper powder of conductive slurry and preparation method of silver-plated copper powder

The invention discloses silver-plated copper powder of conductive paste and a preparation method of the silver-plated copper powder, and relates to the technical field of electronic metal materials. The invention comprises 22-25 parts of copper sulfate pentahydrate; 24 to 30 parts of glucose; 22 to 24 parts of sodium hydroxide; 50 parts of palm oil; 11 to 14 parts of silver nitrate; 7-9 parts of a PVP solution; and 12-16 parts of mixed acid. After acid washing and alcohol washing of the copper powder, the copper powder is placed in molten palm oil at the temperature of 44 DEG C, and after cooling and solidification, the solidified palm oil and the copper powder are packaged in vacuum together and carried; before the copper powder is used for silver plating, the temperature is increased, palm oil is replaced with nitrogen, the copper powder is cleaned, and finally silver plating work is carried out, so that the oxidation rate of the copper powder can be greatly reduced, the oxidation rate of the copper powder is controlled within 0.5%, the coverage rate of silver on the surface of the copper powder during silver plating is increased, and high-level conductivity is achieved under the condition of low cost.
Owner:ZHEJIANG RUIXIAO TECH DEV CO LTD

A method for purifying electroplating grade copper sulfate pentahydrate based on smelting by-product copper sulfate

PendingCN123026243AIron sulfateFerric hydroxide
The application discloses a method for purifying electroplating grade copper sulfate pentahydrate based on smelting by-product copper sulfate, and belongs to the technical field of copper salt production processes. 2+ As 3+ Then, iron sulfate solution is added to provide an iron source, flocculent iron hydroxide is formed to simultaneously settle arsenate and iron ions, and after vacuum filtration, evaporation concentration, and cooling crystallization, coarse crystals are obtained; then, the coarse crystals are dissolved and selectively adsorbed through a weak acid cation exchange resin column; finally, high-purity copper sulfate desorption solution is obtained by using dilute sulfuric acid for countercurrent desorption, and after vacuum evaporation concentration and cooling crystallization of the desorption solution, electroplating grade copper sulfate pentahydrate is purified; the combined purification process of the electroplating grade copper sulfate pentahydrate can effectively avoid the introduction of sodium ion impurities, realizes targeted removal of arsenic, iron, nickel and zinc impurities, and realizes closed-loop recycling of liquid materials by recycling the crystallization mother liquor and condensate water to the front-end dissolving process, thereby significantly improving the purity of the copper sulfate pentahydrate product.
Owner:CHINALCO SOUTHEAST COPPER CO LTD +1

Material for detecting leakage of hydrostatic test as well as preparation method and detection method of material

The invention provides a material for detecting water pressure test leakage and a preparation method and a detection method thereof, and particularly relates to the technical field of pressure-bearing equipment sealing performance detection. The material for detecting the leakage of the hydrostatic test comprises the following raw materials in parts by weight: 20-50 parts of anhydrous cupric sulfate powder; and 50-80 parts of calcium carbonate powder. According to the material, the characteristic that the anhydrous cupric sulfate powder rapidly chemically reacts when meeting water to generate blue copper sulfate pentahydrate is utilized, and leakage points on the surface of equipment can be sensitively detected during a hydrostatic test.
Owner:SUZHOU NUCLEAR POWER RES INST CO LTD

Energy-saving rapid crystallization tank for producing copper sulfate pentahydrate

The utility model relates to the technical field of crystallization tanks, in particular to an energy-saving rapid crystallization tank for producing copper sulfate pentahydrate, which comprises a tank body, a tank cover is fixedly mounted at the top ends of two sliding rods, a rotating rod is rotatably mounted on the lower surface of the tank cover, mounting blocks are fixedly sleeved on the rotating rod at equal intervals, mounting ports are symmetrically formed in the surfaces of the mounting blocks, and the mounting ports are fixedly connected with the tank cover. A rotating shaft is horizontally and rotatably mounted in the mounting opening, stirring rods are fixedly connected to the rotating shaft in a sleeving manner, and every two adjacent stirring rods are hinged through a hinge rod; the top end of the rotating rod is sleeved with a sliding block in a threaded mode, connecting rods are fixedly installed on the left side wall and the right side wall of the sliding block, and abutting rings are fixedly installed at the bottom ends of the two connecting rods. When the rotating rod drives the plurality of stirring rods to rotate, one ends of the plurality of stirring rods can also rotate up and down in a reciprocating manner, so that the stirring amplitude of the stirring rods is increased, the stirring is not only the rotation in a single direction any more, and the crystallization efficiency is improved.
Owner:GUANGZHOU MENGHUI ELECTRONIC TECH CO LTD

Cyclosporine detection kit and application thereof

The invention discloses a cyclosporine detection kit and application thereof, the cyclosporine detection kit comprises a reagent R1 comprising a magnetic bead coated cyclosporine antibody and a Tris buffer solution I, a reagent R2 comprising an alkaline phosphatase labeled cyclosporine antigen and an AP stabilizer, a reagent R3 comprising an MES buffer solution, and a reagent R4 comprising an MES buffer solution. The sample treating agent comprises a Tris buffer solution III containing copper sulfate pentahydrate, sodium sulfite, a preservative, methanol and ethylene glycol. According to the cyclosporin detection kit and the application thereof, the R1, R2 and R3 reagents are combined and applied to the to-be-detected sample treated by the specific Tris buffer solution I sample treating agent, the specific detection of cyclosporin is improved through the synergistic effect of the specific Tris buffer solution I, the AP stabilizer and the specific MES buffer solution, the detection accuracy and stability are good, the repeatability is good, and the kit is suitable for large-scale popularization and application. The problems of cross reaction and insufficient stability during detection of a to-be-detected sample are solved.
Owner:PULING BIOLOGY (NANJING) CO LTD

A glucose detection test strip and a preparation method and application thereof

The application provides a glucose detection test strip and a preparation method and application thereof. The preparation method of the glucose detection test strip comprises the following steps: taking copper sulfate pentahydrate, a phosphate buffer solution, glucose oxidase and horseradish peroxidase, mixing uniformly to obtain an enzyme-containing mixed solution; immersing a test strip in the enzyme-containing mixed solution, and obtaining an organic-inorganic hybrid nanoflower loaded test strip after reaction; immersing the organic-inorganic hybrid nanoflower loaded test strip in a mixed solution containing a chromogenic agent, a gel, bovine serum albumin and polyethylene glycol to obtain a glucose detection test strip. The preparation method of the glucose detection test strip has higher sensitivity and shorter response time.
Owner:BEIJING KANGYUJIAN MEDICAL DEVICES CO LTD

Hexazinone preparation and preparation method thereof

The invention discloses a hexazinone preparation and a preparation method thereof, and belongs to the technical field of pesticide chemistry. The preparation method comprises the following steps: S1, preparing BC: adding BC, mixing and grinding with copper sulfate pentahydrate, putting into a tubular furnace, calcining, and cooling to obtain Cu-BC; s2, adding a modified silane coupling agent into an ethanol water solution, then adding the Cu-BC obtained in S1, stirring for 6-8 hours at 25-35 DEG C, filtering, washing and drying to obtain modified Cu-BC; s3, hexazinone is dissolved in absolute ethyl alcohol, then the modified Cu-BC is added, ultrasonic dispersion is conducted for 6-8 h, filtering, centrifugal washing and freeze-drying are conducted, and the hexazinone preparation is obtained. According to the preparation method of the hexazinone preparation, the slow release capacity of the preparation can be improved, the hexazinone utilization rate is increased, meanwhile, the preparation can be endowed with the sterilization effect, and the hexazinone preparation has wide application prospects.
Owner:ANHUI GUANGXIN CHENGCHEN TECHNOLOGY CO LTD

Method for preparing PET (Polyethylene Terephthalate) copper foil by ionic liquid additive photo-reduction method

The invention relates to the technical field of PET copper foil preparation, in particular to a method for preparing a PET copper foil through an ionic liquid additive photo-reduction method. The method comprises the following steps: performing surface cleaning treatment on a PET film to obtain a pretreated PET film; the pretreated PET film is subjected to micro roughening treatment, and the PET film subjected to micro roughening treatment is obtained; the PET film subjected to micro roughening treatment is placed in a photoreduction solution, the PET copper foil is obtained after illumination, washing and drying, and the photoreduction solution is composed of copper sulfate pentahydrate, an ionic liquid additive, ethyl alcohol and a photoinitiator. According to the preparation method, the PET copper foil can be prepared in an environment-friendly and stable manner by using the ionic liquid additive to carry out the photo-reduction method, and the prepared PET copper foil has relatively high tensile strength and ductility and also has relatively low surface roughness.
Owner:JIANGYIN NANOPORE INNOVATIVE MATERIALS TECH LTD

High-calcium suspending fertilizer, preparation method and application thereof

This invention discloses a high-calcium suspension fertilizer, its preparation method, and its application, relating to the field of fertilizer production technology. By weight, it comprises 20-30 parts of macro-element fertilizer, 10-15 parts of medium-element fertilizer, 3-5 parts of micro-element fertilizer, 0.5-3 parts of auxiliary agent, and 30-50 parts of deionized water. The macro-element fertilizer consists of 30-50 parts of nitrogen fertilizer, 20-30 parts of phosphorus fertilizer, and 15-20 parts of potassium fertilizer. The medium-element fertilizer is modified nano-calcium carbonate and magnesium carbonate. The micro-element fertilizer consists of zinc amino acid, sodium tetraborate, sodium iron ethylenediaminetetraacetate, sodium molybdenum ethylenediaminetetraacetate, manganese sulfate monohydrate, and copper sulfate pentahydrate. Through this method, nano-calcium carbonate can be rapidly absorbed by plants, enabling timely replenishment of calcium ions during plant growth and accelerating plant growth.
Owner:ZIYUYUAN (SHANDONG) ECOLOGICAL TECH CO LTD

An oil displacement demulsifier and a preparation method thereof

The application relates to an oil-displacing demulsifier and a preparation method thereof. First, magnetic carbon nanotubes are prepared by depositing ferric chloride hexahydrate and copper sulfate pentahydrate on the surface of carbon nanotubes; second, hyperbranched polymers with terminal double bonds are prepared; then, the two are mixed to obtain hyperbranched grafted magnetic carbon nanotubes; finally, allyl polyoxyethylene ether is continuously polymerized in situ to obtain the oil-displacing demulsifier. The oil-displacing demulsifier prepared by the application is suitable for oil-displacing demulsification treatment of coking wastewater in the early stage. The coking wastewater is complex in composition, contains little oil, but contains a lot of organic components. The polyether with multiple branched chains can form a net trapping effect in the water body, so that oil and water can be quickly gathered and separated in an emulsified state, and the oil removal rate can reach more than 97%. Meanwhile, the demulsifier has magnetism, can be recycled through magnetic separation, and the oil removal rate can still reach more than 92% after ten cycles of demulsification. The oil removal effect is good with a small amount of addition, and the coking wastewater treatment process is simplified.
Owner:JIANGSU JIANLIN ENVIRONMENTAL PROTECTION TECH CO LTD