17 results about "BASIC COPPER SULFATE" patented technology

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 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 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 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.

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 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.

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.

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.

This invention relates to a transparent Bordeaux mixture nanosuspension and its preparation method, wherein the basic copper sulfate particles in the suspension are smaller than 100 nanometers. The basic copper sulfate particles in the nanosuspension are suspended and dispersed in water in a random coil morphology using a water-soluble polymeric dispersant.

The invention belongs to the technical field of electrolytic copper foils, and provides a low-profile electrolytic copper foil and application thereof. The low-profile electrolytic copper foil sequentially comprises a crude foil layer, a roughening treatment layer and a passivation barrier layer, and is prepared according to the following method: (1) preparing the crude foil layer: adding tris (2-hydroxyethyl) methylammonium hydroxide and dimethoxyhydroquinone into an acidic copper sulfate electrolyte, and electrolyzing to obtain a crude foil; (2) roughening treatment of the crude foil: adding the crude foil into a roughening treatment solution containing cerous sulfate and organic acid for electrolytic roughening treatment; and (3) preparing a passivation barrier layer: adding the roughened copper foil into a passivation treatment solution for electrolytic passivation to obtain the passivation barrier layer. The prepared electrolytic copper foil is lower in flatness and profile tolerance when the thickness is lower, and meanwhile, the electrolytic copper foil has better tensile property and stripping property and is excellent in comprehensive performance.

This invention discloses a catalyst for the electrocatalytic reduction of nitrate to ammonia and its preparation method, belonging to the field of industrial wastewater pollution control technology. The catalyst uses basic copper sulfate and cobalt tetroxide as dual active components, and its preparation method includes the following steps: (1) adding cobalt metal precursor, copper metal precursor, urea and ammonium persulfate to ultrapure water, stirring until completely dissolved, heating under high pressure, centrifuging, washing and drying to obtain catalyst material precursor; (2) calcining the catalyst material precursor and then rapidly cooling it to obtain basic copper sulfate material with Co3O4 dispersed on the surface. The catalyst prepared by this invention uses basic copper sulfate and Co3O4 as dual active components, and the two have a heterojunction synergistic effect, which can efficiently convert nitrate into ammonia, with excellent catalytic performance and high activity and selectivity.

The invention relates to the technical field of zinc smelting, in particular to a method for removing elemental sulfur in smoke leachate. Comprising the following steps that copper sulfate is added into smoke dust leaching liquid or leaching slurry to form first mixed slurry, zinc powder is added into the first mixed slurry to form second mixed slurry, then the second mixed slurry reacts, and third mixed slurry with elemental sulfur removed is obtained; the pH value of the smoke leachate is 4.6-5.3, and the content of elemental sulfur in the smoke leachate is 2 g / L or below. According to the method, the copper sulfate and the zinc powder are added into the smoke leaching liquid or the leaching slurry, the elemental sulfur in the smoke leaching liquid or the leaching slurry is removed, and the effect of eliminating the elemental sulfur is achieved.

A transparent Bordeaux mixture is a water-in-oil nanoemulsion of basic copper sulfate, in which the basic copper sulfate particles are located within water-in-oil nanosolubilizing micelles. It belongs to a pesticide variety that is insoluble in water and solvents, and is a suspension dispersion with particle size less than 100 nanometers, especially less than 50 nanometers.