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patent method of producing copper sulfate

US2533245A - Method of producing copper sulfate - Google ...

Method of producing copper sulfate Download PDF Info Publi ion number US2533245A US2533245A US10287A US1028748A US2533245A US 2533245 A US2533245 A US 2533245A US 10287 A US10287 A ...

GB2250507A - Method for producing copper sulfate from ...

A method for producing copper sulfate from waste copper-containing liquid including the steps of recovery of acidic and basic copper-containing liquid, and neutralization of the liquid to form crystalline copper sulfate, wherein the ratio ...

METHOD OF MANUFACTURE OF COPPER SULFATE ...

Presently there are a number of industrial uses for copper sulfate crystals. These crystals usually are produced by dissolving some form of copper, such as CuO, in sulfuric acid. The solution is concentrated by boiling and then allowed to cool and the crystals of CuSO 4 are allowed to grow, usually on strings, over a period of several days.

Method of producing copper sulphate

Filtrate received after copper sulfate dies separation is directed to preparation of sulfuric acid water solution or to repulping of copper hydroxide deposit. EFFECT: creating of wasteless technology of copper vitriol receiving. 4 cl, 1 ex

US Patent for Process for producing a copper sulfate solution ...

Copper sulfate solutions can be produced from, for example, copper oxide which is dissolved in sulfuric acid German patent No. 1,007,307 or by leaching metallic copper with a sulfuric acid solution in the presence of oxygen

EP1695938B1 - High purity copper sulfate and method for ...

European Patent Office Prior art keywords copper sulfate purity impurities less purity copper Prior art date 2003-09-04 Legal status The legal status is an assumption and is not a legal conclusion. Google has not performed a legal

Method of extraction of copper sulfate from sulfuric acid solution

The method of producing copper sulfate from sulfuric acid solutions of electrolytic refining of copper includes combined evaporation-crystallization heated to 80-90 o C solution with a ratio of copper and sulfuric acid equal to 35-95:1, with the temperature of the circulating mother liquor 2-4 o C above the temperature of crystallization of copper sulfate, while the vacuum crystallization is carried out under a pressure of 1.5-1.9 kPa.

US3961028A - Method of producing cuprous sulfate and ...

Method of preparing cuprous sulfate and bisulfate solutions from materials containing copper and impurities by a leaching process are disclosed. The leaching composition contains sulfuric acid, cupric ions, water and an organic ...

High purity copper sulfate and method for production thereof ...

High purity copper sulfate having a purity of 99.99% or higher and in which the content of transition metals such as Fe, Cr, Ni is 3 wtppm or less; and a method for producing such high purity copper sulfate which includes the steps of dissolving copper sulfate crystals in purified water, performing evaporative concentration thereto, removing the crystals precipitated initially, performing further evaporative concentration to effect crystallization, and subjecting this to filtration to obtain high purity copper sulfate.

US Patent Appli ion for COPPER SULFATE, COPPER ...

Justia Patents US Patent Appli ion for COPPER SULFATE, COPPER SULFATE SOLUTION, PLATING SOLUTION, METHOD FOR PRODUCING COPPER SULFATE, METHOD FOR PRODUCING SEMICONDUCTOR CIRCUIT BOARD, AND METHOD FOR PRODUCING ELECTRONIC APPARATUS Patent Appli ion Appli ion 20200095699

COPPER SULFATE, COPPER SULFATE SOLUTION ...

Copper sulfate which includes an Al with a concentration of 0.08 ppm by mass or less. COPPER SULFATE, COPPER SULFATE SOLUTION, PLATING SOLUTION, METHOD FOR PRODUCING COPPER SULFATE, METHOD FOR PRODUCING SEMICONDUCTOR CIRCUIT BOARD, AND METHOD FOR PRODUCING ELECTRONIC APPARATUS - JX Nippon Mining and Metals Corporation

COPPER SULFATE, COPPER SULFATE SOLUTION ...

Copper sulfate which includes a Fe with a concentration of 0.08 ppm by mass or less. COPPER SULFATE, COPPER SULFATE SOLUTION, PLATING SOLUTION, METHOD FOR PRODUCING COPPER SULFATE, METHOD FOR PRODUCING SEMICONDUCTOR CIRCUIT BOARD, AND METHOD FOR PRODUCING ELECTRONIC APPARATUS - JX Nippon Mining and Metals Corporation

Method for producing copper sulfate from waste copper ...

A method for producing copper sulfate from waste copper-containing liquid including the steps of recovery of acidic and basic copper-containing liquid, and neutralization of the liquid to form crystalline copper sulfate, wherein the ratio of acidic to basic copper-containing liquid, temperature, pH value and the concentration of copper ion in the resultant solution of each step is being ...

Method for preparing copper sulfate - Patent search, search ...

Method provides reducing loss of manufactured copper sulfate in its extraction to the crystalline product and reducing energy consumption in producing copper sulfate of high quality. EFFECT: improved method for preparing.

Method of extraction of copper sulfate from sulfuric acid solution

The method of producing copper sulfate from sulfuric acid solutions of electrolytic refining of copper includes combined evaporation-crystallization heated to 80-90 o C solution with a ratio of copper and sulfuric acid equal to 35-95:1, ...

High Purity Copper Sulfate and Method for Production Thereof ...

High purity copper sulfate having a purity of 99.99% or higher and in which the content of transition metals such as Fe, Cr, Ni is 3 wtppm or less is provided. A method for producing such high purity

US Patent Appli ion for MICROETCHANT FOR COPPER ...

21. A method for producing a wiring board containing a copper layer, the method comprising roughening the copper layer by bringing a microetching agent into contact with a surface of the copper layer,

The method of producing copper oxide

The method is as follows. Mix 1200 - 1300 ml of copper sulfate solution with a concentration of 14 to 18 wt.% with 200 - 300 ml of sodium hydroxide solution with a concentration of 32 - 42 wt. % at a temperature of 80 - 95 o C for

US Patent Appli ion for COPPER SULFATE, COPPER ...

Justia Patents US Patent Appli ion for COPPER SULFATE, COPPER SULFATE SOLUTION, PLATING SOLUTION, METHOD FOR PRODUCING COPPER SULFATE, METHOD FOR PRODUCING SEMICONDUCTOR CIRCUIT BOARD, AND METHOD FOR PRODUCING ELECTRONIC APPARATUS Patent Appli ion Appli ion 20200095699

Method for producing copper sulfate from waste copper ...

A method for producing copper sulfate from waste copper-containing liquid including the steps of recovery of acidic and basic copper-containing liquid, and neutralization of the liquid to form crystalline copper sulfate, wherein the ratio of acidic to basic copper-containing liquid, temperature, pH value and the concentration of copper ion in the resultant solution of each step is being ...

Method for preparing copper sulfate - Patent search, search ...

Method provides reducing loss of manufactured copper sulfate in its extraction to the crystalline product and reducing energy consumption in producing copper sulfate of high quality. EFFECT: improved method for preparing.

High Purity Copper Sulfate and Method for Production Thereof ...

High purity copper sulfate having a purity of 99.99% or higher and in which the content of transition metals such as Fe, Cr, Ni is 3 wtppm or less is provided. A method for producing such high purity

Copper-ammonium sulfate hexahudrate production method

The invention relates to the field of chemical technology, in particular to a method for producing uranyl sulfate copper-ammonium NH 4 2 Cu SO 4 2 · 6H 2 O, which can be used as a fungicide and copper micronutrients in agriculture, for antibacterial treatment of water for preparation of electrolyte galvanic copper plating, for other copper compounds.

US Patent for Electrolytic copper foil and method for ...

Justia Patents Of Indeterminate Length US Patent for Electrolytic copper foil and method for producing the same Patent Patent 9,365,942 Electrolytic copper foil and method for producing the same Oct 25, 2013 - CHANG CHUN PETROCHEMICAL CO., LTD.

US Patent Appli ion for METHOD FOR PRODUCING ...

A method of producing potassium sulfate by employing sodium sulfate and potassium chloride sources is disclosed. The method includes a crystallization process that yields a mother liquor containing sulfate, sodium and chloride.

Analytics for US Patent No. 6315976, Method of producing ...

A process is provided for producing potassium sulfate by reacting ammonium sulfate and potassium chloride at a temperature of about 30 to 40 Patent Buddy

Biological methods of metal extraction - Higher - Material ...

iron copper sulfate iron II sulfate copper Fe s CuSO 4 aq FeSO 4 aq Cu s Since iron is cheaper than copper, the use of scrap iron is a cost-effective way to produce copper ...

Process for producing a copper sulfate solution - Nordeutsche ...

Method of producing copper sulfate 1950-12-12 Harike 423/557 Foreign References: DE1007307B 1957-05-02 423/557 DE1036240B 1958-08-14 423/557 GB1188035A 1970-04-15 423/41 Other References: Ullmann& 39;s Enzyklopadie ...

METHOD OF PRODUCING COPPER SULFATE USED FOR ...

European Patent Office EPO Search worldwide, life-sciences literature Search Advanced Search E.g. & 34;breast cancer& 34; HER2 Smith J Recent Activity Export List Clipboard Export METHOD OF PRODUCING COPPER SULFATE - ...

Method of producing copper sulfate - TENNESSEE ...

Complete Patent Searching Database and Patent Data Analytics Services. Login Sign up Search ... Method of producing copper sulfate United States Patent 2533245 Inventors: Harike, George E. Publi ion Date: 12/12 02/24 ...

Analytics for US Patent No. 4451430, Method of producing ...

A copper alloy is produced by introducing copper base metal in a crucible, i.e. part of the metal copper is put in the crucible after introd Patent Buddy

The use of the copper sulfate method of hemoglobin estimation ...

A single solution of CuSO4 was used of sp. gr. 1.052, corresponding to 12.3 g. Hb per 100 ml. Prospective donors whose Hb levels were less than this arbitrary level were rejected. With proper precautions the method gave results ...

Core practical - Salts - Edexcel - GCSE Chemistry Single ...

Core practical Making copper sulfate crystals There are a number of ways that you could make copper sulfate crystals in Chemistry. This is an outline of the required steps to undertake one of ...

Analytics for US Patent No. 4483828, Method of producing ...

A process for the preparation of manganese sulfate solutions having reduced levels of potassium impurity comprising blending a reduced manga Patent Buddy

Analytics for US Patent No. 6315976, Method of producing ...

A process is provided for producing potassium sulfate by reacting ammonium sulfate and potassium chloride at a temperature of about 30 to 40 Patent Buddy

Method of producing magnesium sulphate - SOKOLOV; IGOR D.

A method of producing magnesium sulfate comprising the steps of: a forming a suspension in aqueous medium of ferrous sulfate or ferrous sulfate containing material and at least one magnesium compound selected from the group consisting of magnesium carbonate, magnesium oxide or magnesium hydroxide, both the magnesium compound and the ferrous sulfate containing material being solid components ...

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