43 results about "BASIC COPPER SULFATE" patented technology

The invention discloses an efficient and energy-saving purification method for a copper electrolyte. The purification method comprises the following steps: performing MVR (Mechanical Vapor Recompression) concentration; cooling and crystallizing; filtering and separating; electrodeposition copper and impurity removal by a circulation method; freezing and crystallizing; performing centrifugal separation; according to the method, in the MVR concentration process, a high-energy-efficiency steam compressor is used for compressing secondary steam generated by evaporation of the copper electrolyte, the enthalpy of the secondary steam is improved, and the secondary steam with improved heat energy is pumped into a plate heat exchanger to exchange heat with the copper electrolyte, so that the existing heat energy of the secondary steam is recycled; therefore, the consumption of external steam can be reduced to realize evaporation and concentration of the copper electrolyte to produce crude copper sulfate; in the circulation method electrodeposition copper removal and impurity removal process, the crystallization mother liquor is supplemented into the impurity removal circulation liquid, so that copper ions can be kept in an efficient impurity removal concentration range, and the removal efficiency of impurities such as arsenic is improved; a refrigerator is adopted to cool the electrolyte after electrodeposition copper removal and impurity removal, and then a centrifugal machine is adopted to realize solid-liquid separation of nickel sulfate crystals.

The invention discloses a method for preparing copper sulfate from PCB etching liquid, and belongs to the technical field of PCB etching liquid treatment.The method comprises the following steps that alkaline PCB etching waste liquid and acidic PCB etching waste liquid are mixed to obtain basic copper chloride precipitate; reacting the basic copper chloride precipitate with concentrated sulfuric acid to obtain a copper sulfate crude product; adding a hydrogen peroxide solution into the copper sulfate crude product solution, stirring and reacting for 0.5-2 hours, adding a precipitator to adjust the pH value to 3.5-4, and carrying out solid-liquid separation to obtain an impurity-removed solution; the impurity removal solution is introduced into an adsorption column filled with modified activated carbon, then evaporation concentration, cooling crystallization and reduced-pressure suction filtration are carried out, and copper sulfate is obtained.According to the method, the processes of acid-base neutralization, oxidation impurity removal, adsorption impurity removal and recrystallization are adopted, and the low-cost and efficient recovery and purification technology is achieved; and the recovery efficiency is improved to the maximum extent and the cost is controlled while the high purity of the product is ensured.

The invention discloses a broad-spectrum combined medicine for treating liver cancer, which comprises purified water, tripterygium wilfordii alkaloid, tripterygium hypoglaucum alkaloid, chamaejasmine, gelsmium elegans alkaloid, xanthoxylin and various B medicines, and further comprises folic acid, vitamins, copper sulfate, zinc sulfate, manganese sulfate, yeast and penicillin sodium. Through the multi-component, multi-target and multi-path design, the medicine disclosed by the invention shows a potential effect of inhibiting the progress of liver cancer and good safety in cell experiments, animal models and human individual case observation. Cellular immunity and humoral immunity can be enhanced, the treatment cost is lower than that of a traditional treatment scheme, and no pain is caused during treatment.

The utility model discloses a durable steel wire mesh framework polyethylene composite pipe which comprises an inner pipe and an outer pipe. The utility model has the beneficial effects that the UV glue layer, the inner groove and the outer groove are adopted, the inner wall of the inner pipe is coated with the UV glue, the corrosion resistance and the wear resistance of the inner pipe are improved, the use durability is improved, the outer wall of the inner pipe and the inner wall of the outer pipe are respectively provided with the outer groove and the inner groove, the roughness of the outer wall of the inner pipe and the inner wall of the outer pipe is increased, and the service life is prolonged. Meanwhile, the outer pipe is a polyethylene transparent pipe, when the water leakage phenomenon occurs, water penetrates through the water-permeable net strips to react with anhydrous cupric sulfate powder, anhydrous cupric sulfate becomes striking blue, and at the moment, the water leakage phenomenon is avoided, so that the water leakage phenomenon is avoided, and the service life of the water-permeable net strips and the anhydrous cupric sulfate powder is prolonged. A worker can quickly find a leakage point by observing which part turns blue, and the water-permeable net strips and the anhydrous cupric sulfate powder wrapped in the water-permeable net strips are arranged in the outer pipe, so that the structure is simpler and more practical.

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.

The utility model relates to a stripping mechanism of a crude foil engine, which comprises an anode tank, a cathode tank, a stripping mechanism and a stripping mechanism, wherein an anode plate and electrolyte are arranged in the anode tank; the cathode roller is arranged in the cathode tank and is used as a cathode when copper sulfate is electrolyzed, copper ions in the anode tank are deposited, and copper foil is formed; the stripping device is arranged on one side of the cathode roller through a displacement adjusting support and used for stripping copper foil on the cathode roller. The stripping device comprises a stripping roller and a rolling supporting seat; the supporting roller is arranged obliquely above the cathode roller through a first fixing bracket; the passing roller is arranged on one side of the supporting roller through a second fixing support. The winding device is arranged on one side of the passing roller and used for winding the copper foil. According to the utility model, the oxidation speed of the cathode roller is slowed down, the service life and the stability of the crude foil engine are improved, the mass production efficiency of ultra-thick copper foils is improved, the surface quality of the copper foils is also improved, the production cost is reduced, and the adaptability of equipment and the simplicity and convenience of operation are enhanced.

This invention relates to the field of non-ferrous metal smelting technology and discloses a high-recovery, emission-reducing copper anode mud treatment process with controlled potential. Each step employs a controlled potential method to regulate the metal leaching rate and reduction rate, thereby reducing the loss rate of valuable metals in each step and improving the overall metal recovery rate. A sulfidation process is used to treat the antimony-bismuth removal solution, enriching antimony and bismuth in the form of sulfides. An evaporation crystallization method is used to open most of the copper in the anode mud in the form of crude copper sulfate. While enriching antimony and bismuth, the production of basic copper carbonate is significantly reduced, eliminating the "rotary kiln selenium distillation" and "water leaching copper separation" processes, and reducing system acid expansion caused by the "rotary kiln selenium distillation" process. By using the recycled reduction solution and secondary gold separation solution as acid sources for the antimony-bismuth removal process and the primary gold separation solution, the waste acid reuse rate and valuable element recovery rate can be improved. This effectively reduces the total wastewater discharge, simplifies the process flow, and improves the recovery rate of valuable metals.

The invention discloses a basic magnesium sulfate cement cattle and sheep lick brick and a preparation method thereof, and belongs to the technical field of animal feeds, the basic magnesium sulfate cement cattle and sheep lick brick comprises the following components by mass: 30-40% of basic magnesium sulfate cement, 20-30% of salt, 10-15% of honey, 5-10% of starch, 5-10% of corncob, 5-10% of bentonite, 0.1-0.3% of feed-grade copper sulfate, 0.03-0.06% of feed-grade cobalt chloride, and the balance of water. 0.2 to 0.3% of feed-grade manganese sulfate; and 0.1 to 0.3% of feed-grade basic zinc chloride. Wherein the basic magnesium sulfate cement is prepared from magnesium oxide, feed-grade magnesium sulfate and aminosalicylic acid. According to the invention, basic stability of the lick brick is ensured, the lick brick is endowed with the ability of gradually disintegrating and releasing trace elements in the licking process of cattle and sheep, the trace elements are released quickly, high requirements of cattle and sheep on the trace elements in the stages of growth, reproduction, stress and the like can be met, and the quality of the cattle and sheep is improved. The problems of slow growth, low immunity, reproductive disorder and the like caused by lack of trace elements are effectively prevented.

The application discloses an electrolyte for electrolytic copper foil, an electrolytic copper foil and a preparation method thereof. The electrolyte for electrolytic copper foil comprises a basic electrolyte and a composite additive. The basic electrolyte comprises copper sulfate, sulfuric acid and chloride ions. The composite additive is composed of an N-alkyl-substituted pyrrolidone derivative, polydiallyldimethylammonium chloride and a compound of sodium 3-hydroxypropane sulfonate and thiodiglycolic acid. The application adopts the optimized electrolyte, cooperates with a limited parameter electrodeposition process and a segmented annealing process, and prepares an ultrathin electrolytic copper foil, solves the problems that the traditional copper foil is difficult to have high strength and high elongation performance, has large residual internal stress and is easy to warp, and can meet the use requirements of high-energy-density power batteries, silicon-based negative electrode batteries and energy storage battery current collectors.

The invention discloses a preparation method and application of high-purity copper sulfate, and the preparation method comprises the following steps: reacting ammonia water with a copper chloride solution to obtain basic copper chloride; adding sulfuric acid into the basic copper chloride for dissolving, and removing impurities to obtain an acidic impurity-removed solution; reacting the acidic impurity removal liquid with the alkaline impurity removal liquid to obtain basic cupric carbonate and / or copper oxide; and adding sulfuric acid into the basic cupric carbonate and / or copper oxide for reaction, and cooling and crystallizing to obtain the high-purity copper sulfate. According to the preparation method of the high-purity copper sulfate, metal, nonmetal and other impurities in the raw materials can be removed, the impurity removal effect on trace impurities is obvious, new impurities are not introduced in the preparation process, the process is simple, industrial production can be achieved, and the obtained high-quality copper sulfate can be applied to the electroplating liquid and has good application prospects. Especially in the fields of electroplating of precision elements sensitive to impurities and semiconductors.

The invention belongs to the technical field of inactivation of pathogenic microorganisms in a water body, and discloses a method for oxidizing and inactivating pathogenic microorganisms in a water body by activating persulfate through a Bordeaux mixture and application. The method comprises the following steps: adding a Bordeaux mixture into a pathogenic microorganism-containing polluted water body, then adding a persulfate solution to form a reaction system, and vibrating at normal temperature to simulate a real water body so as to realize inactivation of pathogenic microorganisms. The invention provides a novel method for inactivating water pathogenic microorganisms such as escherichia coli and enterococcus faecalis, persulfate is activated by Bordeaux mixture to generate sulfate free radicals and hydroxyl free radicals, and basic copper sulfate and calcium sulfate precipitate synergistically flocculates and settles pathogenic bacteria residues. Wherein the inactivation effect of the Bordeaux / PS system within 5 minutes reaches 99% or above.

The application discloses copper powder and a preparation method thereof. The preparation method of the copper powder comprises the following steps: dissolving copper sulfate pentahydrate in deionized water to prepare a copper sulfate solution with a concentration of 0.1-1.0 mol / L; adding an alkali solution drop by drop into the copper sulfate solution under stirring to adjust the pH value to 6-8, and obtaining a basic copper sulfate precipitate; separating and collecting the basic copper sulfate precipitate, dispersing the basic copper sulfate precipitate in deionized water after washing to obtain a basic copper sulfate suspension with a concentration of 0.5-1 mol / L in terms of copper element; and mixing a polyvinylpyrrolidone solution and a graphene oxide solution to prepare a composite dispersion solution. The copper ion plays a good dispersion role in the reduction process, so that the uniformity of the particle size of the final copper powder is ensured.

The invention relates to the technical field of knife gate valve sealing performance detection, and particularly discloses a sealing performance detection device of a penetration type bidirectional sealing knife gate valve, which comprises a transparent detection box fixedly connected to a valve body, the bottom wall of the detection box is communicated with a capillary tube extending into the valve body, and a water permeable net is arranged in the detection box. A mixing layer formed by mixing water-absorbent resin and anhydrous cupric sulfate is contained in one cavity between the detection box and the permeable net, a water outlet is formed in the bottom of the side, away from the mixing layer, of the permeable net of the detection box, and a color sensor right opposite to the mixing layer in the detection box is fixedly connected to the valve body. A controller electrically connected with the color sensor is fixedly connected to the valve body. The valve body is further provided with a gas supply assembly used for introducing high-pressure gas into the sealing cavity, the detection box is internally provided with a constant-pressure assembly used for keeping the pressure in the detection box constant to be equal to the pressure in the sealing cavity, and the detection box is further internally provided with a sealing piece used for blocking the water outlet. The device has the effect of detecting the sealing performance of the inner sealing ring in real time.

The application belongs to the technical field of batteries and electric power, and discloses a storage battery activating liquid for a transformer substation, which is characterized by being composed of sodium sulfate, sodium chloride, calcium phosphate, magnesium phosphate, cobalt sulfate, cadmium sulfate, stannous sulfate, copper sulfate, zinc sulfate, nickel sulfate and aluminum sulfate solution. The application also discloses a storage battery activating method for a transformer substation and a holiday barbecue vehicle activated by the activating method. The application has the following main beneficial effects: good activating / repairing effect, improved capacity of returned storage batteries, chemical environmental protection, low cost and wide application range.

The present invention belongs to the field of nanopesticides, and specifically relates to a pesticide type which is insoluble in water and solvent, and the preparation of a nano suspension dispersion liquid thereof having a particle size of less than 100 nm. A nano suspension dispersion liquid in which basic copper sulfate microparticles are suspended and dispersed in a water-soluble polymer dispersant and present in water in the form of random coil structures.

The invention provides a preparation method of electronic-grade copper oxide powder, and relates to the technical field of copper oxide. According to the method, the barium carbonate is adopted to precipitate the copper sulfate solution, the obtained mixed solid is dissolved by the ammonia water and then is separated into the solid and the copper ammonia complex solution, the copper ammonia complex solution is heated and decomposed into basic copper carbonate, the basic copper carbonate is calcined to obtain the copper oxide powder with high purity and high activity, and the content of metal impurities is very low.

The invention relates to the technical field of chemistry and inorganic chemical industry, in particular to a method for preparing electroplating-grade copper sulfate pentahydrate through an aerosol technology. The method comprises the following steps: mixing and stirring industrial-grade basic cupric carbonate and water, and discharging an upper-layer solution to obtain washed basic cupric carbonate; adding the washed basic cupric carbonate into a copper ion saturated solution, centrifuging, and discharging an upper solution to obtain refined basic cupric carbonate; uniformly mixing the refined basic cupric carbonate with a glucose aqueous solution, then adding an alkali solution for reaction, and discharging supernatant liquid to obtain a first mixture; mixing the first mixture with copper sulfate mother liquor, adding concentrated acid, and reacting to obtain first mother liquor; and preparing the first mother liquor into aerosol, taking the aerosol out by carrier gas, and heating the aerosol on a substrate to generate electroplating-grade copper sulfate pentahydrate in situ. The method disclosed by the invention is simple and has the characteristics of small opening flow of mother liquor, low water demand, few impurity removal processes, simple steps and high direct recovery rate of copper.

To provide a system for the green synthesis of copper nanoparticles using Rosa webbiana root extract for environmental control of pathogenic bacteria. [Solution] The system comprises a plant extraction module configured to prepare a Rosa webbiana root extract, including a crushing unit, a methanol soaking tank, a filtration unit using Whatman filter paper, and a solar drying device; a nanoparticle synthesis module configured to react the prepared extract with an aqueous copper sulfate solution under controlled heating and stirring conditions to form copper nanoparticles, including a reaction chamber equipped with a heating and stirring mechanism; a drying and collection module including means for evaporating the solvent under controlled conditions and collecting the synthesized copper nanoparticles; and a characterization unit configured to analyze the optical, structural, and morphological properties of the synthesized copper nanoparticles, including a UV-visible spectrophotometer, an FTIR spectrophotometer, an X-ray diffractometer, and a scanning electron microscope.

This invention discloses an ecological slow-release algaecide and its preparation method, relating to the field of water treatment technology. The algaecide comprises 30%-50% copper oxychloride, 5%-50% basic copper carbonate, 5%-50% copper hydroxide, 5%-50% copper oxalate, 8%-12% copper sulfate pentahydrate, 2%-8% calcium sulfate dihydrate, 2%-8% oxalic acid dihydrate, 9%-18% pregelatinized starch, and 1.5%-2% magnesium stearate. The preparation method includes: weighing and mixing the components; pulverizing the mixed powder, sieving, and drying in an oven; and pressing the dried powder into tablets. This invention features a simple preparation process and low raw material costs. The algaecide of this invention has stable and long-lasting release, effectively reducing the frequency of algaecide application, and ensuring that the copper ion concentration in the water does not exceed the standard, greatly reducing the risk of water pollution caused by excessive algaecide application, while also reducing the labor costs associated with long-term algaecide application.

The invention belongs to the technical field of waste lithium battery resource recovery, and particularly relates to a method for preparing iron-doped basic copper sulfate by recovering copper from waste lithium batteries and iron-doped basic copper sulfate, the method for preparing iron-doped basic copper sulfate by recovering copper from waste lithium batteries comprises the following steps: S1, adding a waste lithium battery negative electrode material into an acid solution, and stirring uniformly; after reaction, filtering to obtain a copper salt solution; s2, adding a trivalent iron salt into the copper salt solution to obtain a first solution; s3, adjusting the pH value of the first solution to 7-8 to obtain a second solution; s4, the second solution is subjected to a hydrothermal reaction, filtering, washing and drying are performed after the reaction, and iron-doped basic copper sulfate is obtained; according to the method, the iron-doped basic copper sulfate with adsorption and degradation functions on water pollution is synthesized by recovering copper from the waste lithium battery negative electrode material, so that the waste lithium battery negative electrode material is recovered and utilized, and organic matter pollution of the water is effectively removed.

The present application relates to a transparent Bordeaux mixture and a preparation method therefor. The size of basic copper sulfate particles in the suspension is less than 100 nanometers. The basic copper sulfate particles are suspended and dispersed in a water-soluble polymer dispersant, and same is present in water in random coils.

Provided is a stock solution composition for Bordeaux liquid that has a neutral pH range, is less likely to cause discoloration or deterioration over time, is stable even when stored for a long period, and exhibits medicinal effects such as a sufficient bactericidal effect. 【Solution means】The Bordeaux liquid composition is a water suspension containing, in a quantitative ratio in 100 parts by mass of a solid component or a dry component, 50 to 95 parts by mass of gypsum, 2 to 30 parts by mass of posnjakite, and 2 to 30 parts by mass of calcium basic copper sulfate trihydrate, and containing no brochantite or containing at most 0.8 parts by mass thereof.

The invention provides nano basic copper sulfate powder and a preparation method thereof. The nano basic copper sulfate powder is in a sheet shape, the long axis size of the nano basic copper sulfate powder is 1-2 microns, the short axis size of the nano basic copper sulfate powder is 60-150 nm, the thickness of the nano basic copper sulfate powder is 10-30 nm, and the specific surface area of the nano basic copper sulfate powder is 10-32 m < 2 > / g. The preparation method of the nano basic copper sulfate powder mainly comprises the following steps: dissolving, filtering, dispersing, synthesizing, carrying out solid-liquid separation, cleaning and carrying out spray drying. The preparation method of the nano basic copper sulfate powder is simple in technological process, and compared with micron basic copper sulfate produced by a traditional method, the produced basic copper sulfate can be nano-scale and high in specific surface area by changing the types of auxiliaries, controlling the PH value and the temperature and adopting a two-stage heating mode; and meanwhile, mass production can be realized, the yield is high, industrial large-scale production is easy, the production cost is reduced, and the economic benefit is improved.

The present invention belongs to the field of nano-pesticides, in particular to the preparation of a suspension of a water and solvent insoluble pesticide having a particle size of less than 100 nm, especially less than 50 nm. A nano-suspension of basic copper sulphate particles in a water soluble polymeric dispersant, present in a random coil conformation in water.

The invention provides an application of copper sulfate in preparation of a jellyfish stings protection product with double functions of repelling jellyfish and inhibiting nematocyst emission. The result shows that the low-concentration copper sulfate can inhibit the emission of the nematocyst; and it is proved that the influence of copper sulfate on the jellyfish is acute and instant, the jellyfish can make a large reaction just when making contact with copper sulfate, and the repelling effect on the jellyfish is good. The invention provides a new scheme and thought for repelling the jellyfish and inhibiting the emission of the nematocyst.

This invention relates to the field of flexible smart wearable device technology, and particularly to a method for preparing a grounding layer based on LIG-Cu composite material and its application. The preparation method includes: fabricating a precursor film using polyimide paper; processing the precursor film with a picosecond ultraviolet laser in a laser processing system to obtain laser-induced graphene; cleaning the laser-induced graphene and a substrate separately, then placing the laser-induced graphene on the substrate for drying; placing the dried laser-induced graphene in a copper sulfate electrolyte for electroplating, removing, cleaning, and drying to obtain the grounding layer based on the LIG-Cu composite material. This grounding layer combines the unique three-dimensional structure of LIG with the excellent conductivity of copper, significantly improving the bending reliability, high-frequency signal integrity, and lightweight nature of the grounding layer. It can be applied to flexible MEMS pressure sensors and flexible smart wristbands, making products lighter and more efficient.

A transparent Bordeaux mixture, which is a basic copper sulfate "water-in-oil" nano-emulsion, where the basic copper sulfate particles are located in "water-in-oil" nano-solubilizing micelle bundles. Same falls under types of pesticides that are insoluble in water and solvents, and the particles are less than 100 nm in size, and are particularly a nanometer suspension dispersion liquid less than 50 nm in size.

Disclosed in the present invention are a method and apparatus for using metallic copper to prepare copper oxide by means of an electrolytic method. In the method, a copper dissolution electrolytic cell comprising a metallic copper anode, a cathode, an electrolytic power supply, a liquid sprayer, and / or a vibrator is used. An electrolyte is a solution containing sodium sulfate and / or potassium sulfate and having a chloride ion content less than or equal to 600 mg / L. The electrolytic power supply is turned on and the output voltage between positive and negative electrodes of the electrolytic power supply is caused to be greater than or equal to 0.34 V. Under this condition, an electrolytic copper dissolution operation is carried out so that metallic copper on the surface of the anode undergoes an electrochemical reaction to generate basic copper sulfate, the cathode electrically precipitates hydrogen, and as an electrolytic reaction proceeds, the basic copper sulfate is converted into copper oxide under a basic condition. During the electrolytic copper dissolution operation, the liquid sprayer is used to extract the electrolyte and spray the electrolyte to the anode, and / or the vibrator is used to oscillate the metallic copper anode and / or the electrolyte, so that the basic copper sulfate layer generated in the reaction and adhesively covering the surface of the metallic copper anode falls off under the action of an external force and the copper metal therein is exposed to continue to participate in an electrolytic copper dissolution reaction.

The invention relates to the technical field of preparation of active copper oxide, in particular to a process for preparing active copper oxide by taking crude copper sulfate as a raw material, which comprises the following steps: reacting an aqueous solution of crude copper sulfate with a certain amount of H2O2, and then adjusting the pH value for the first time by using a NaOH solution; adding a ferric sulfate solution into the obtained solution, heating and stirring, and then adjusting the pH value for the second time by using a NaOH solution, so that impurity ions form precipitates, thereby obtaining a refined copper sulfate solution; adding a certain amount of sodium carbonate precipitant into the refined copper sulfate solution, and reacting to generate basic cupric carbonate precipitate; washing and drying the basic cupric carbonate precipitate for multiple times, and calcining the basic cupric carbonate precipitate in a muffle furnace to generate copper oxide; the crude copper sulfate is used as the raw material to prepare the active copper oxide, the crude copper sulfate is a relatively cheap industrial raw material and is wide in source, and when the crude copper sulfate is used as the raw material for preparing the active copper oxide, the production cost can be reduced, and the economic benefit can be improved.

The application discloses a method for preparing high-strength and high-conductivity copper-silver alloy foil by cyanide-free electroplating. The method adopts a cyanide-free complexing agent system, which comprises pyrophosphate, organic phosphoric acid, iodide, conductive salt and pH regulator, and is matched with copper sulfate and silver nitrate to prepare an electroplating solution. The high-strength and high-conductivity copper-silver alloy foil is prepared by a direct current electroplating process under the condition of a pure titanium cathode and a pure copper anode. The method does not need to use cyanide, is environmentally friendly and safe, and the prepared copper-silver alloy foil has excellent comprehensive performance, i.e. the tensile strength is greater than or equal to 850 mPa, the electrical conductivity is greater than or equal to 65% IACS, the silver content is less than or equal to 10%, the thickness is 6-12 microns, the roughness Ra value of the rough surface is less than or equal to 4.5 microns, and the Rz value is less than or equal to 2.6 microns. The application overcomes the technical problem that traditional copper foils are difficult to have high strength and high conductivity at the same time, and is suitable for high-end application fields such as electronic interconnection, flexible circuit and lithium ion battery current collector.