CN102390861A - Method for preparing cuprous oxide powder - Google Patents
Method for preparing cuprous oxide powder Download PDFInfo
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- CN102390861A CN102390861A CN2011102356483A CN201110235648A CN102390861A CN 102390861 A CN102390861 A CN 102390861A CN 2011102356483 A CN2011102356483 A CN 2011102356483A CN 201110235648 A CN201110235648 A CN 201110235648A CN 102390861 A CN102390861 A CN 102390861A
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- oxide powder
- cuprous oxide
- copper
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Abstract
The invention discloses a method for preparing cuprous oxide powder and relates to a method for preparing the cuprous oxide powder by adopting a sulfite reducing method. The method is characterized in that: during preparation, the sulfite is used as a reducing agent and added into a solution with Cu<2+> to generate reaction and prepare the cuprous oxide powder. The method has the advantages that: the process is simple, the raw material is readily obtained, and the power consumption and the processing cost are low.
Description
Technical field
A kind of method for preparing cuprous oxide powder relates to a kind of method that adopts sulfite reduction method to prepare cuprous oxide powder.
Background technology
Cuprous oxide powder has purposes widely as Inorganic Chemicals at pigment, boats and ships, antiseptic-germicide, coating, catalyzer, electronic product.
At present, the method for production Red copper oxide mainly contains in the industry: electrolytic process, sintering process, using sulfur dioxide reduction method etc.Electrolytic process is to make anode with metallic copper, electrolysis in the solution of copper ions, and this method power consumption is high, production efficiency is low, production environment is poor.Gu sintering process is earlier cupric oxide and copper powder mixing back to be consolidated about 1000 ℃-reacted, and produces Red copper oxide, this method labor condition is poor, and energy consumption is big, and Red copper oxide purity is low.Using sulfur dioxide reduction method be with pyrophosphate salt as catalyzer, sulfurous gas is as reductive agent, the preparation cupric oxide, this method reagent consumption is big, production cost is high, high to the equipment sealing requirements, operating environment is poor.Other method also has formaldehyde sodium sulfoxylate reduction method, oxyammonia sulfate reduction method, copper powder reduction method etc., all these methods, problems such as cost is all higher, adaptability to raw material is poor, complex process.
Summary of the invention
The object of the invention is exactly in order to overcome the deficiency of existing Red copper oxide powder, preparation method thereof, the method for preparing cuprous oxide powder that a kind of technology is simple, raw material is easy to get, energy consumption is low, tooling cost is low to be provided.
The objective of the invention is to realize through following technical scheme.
A kind of method for preparing cuprous oxide powder, it is characterized in that its preparation process be with sulphite as reductive agent, join in the solution that contains bivalent cupric ion, carry out prepared in reaction and go out cuprous oxide powder.
A kind of method for preparing cuprous oxide powder of the present invention is characterized in that its preparation process control pH value of solution value is 1.5 ~ 3.5, and temperature of reaction is 30 ℃ ~ 70 ℃, reaction times 1h ~ 5h.
A kind of method for preparing cuprous oxide powder of the present invention is characterized in that the sulphite that its preparation process adds is S-WAT, and add-on is 2 ~ 4 times of copper amount.
A kind of method for preparing cuprous oxide powder of the present invention is characterized in that the sulphite that its preparation process adds is potassium sulfite, and add-on is 2 ~ 4 times of copper amount.
A kind of method for preparing cuprous oxide powder of the present invention is characterized in that the described copper ion concentration that contains the bivalent cupric ion aqueous solution is 1 ~ 50g/L.
A kind of method for preparing cuprous oxide powder of the present invention is characterized in that described that contain the bivalent cupric ion aqueous solution is CuSO
45H
2The aqueous solution of O configuration.
A kind of method for preparing cuprous oxide powder of the present invention is characterized in that described contain scavenging solution, electro deposited copper raffinate or the copper scrap that the bivalent cupric ion aqueous solution is the copper electrolytic process generation, the pickling liquor of useless circuit card.
A kind of method for preparing cuprous oxide powder of the present invention has the advantage that technology is simple, raw material is easy to get, energy consumption is low, tooling cost is low.
Embodiment
A kind of method for preparing cuprous oxide powder; The preparation process is that reductive agent sulphite is joined in the aqueous solution that contains bivalent cupric ion that copper ion concentration is 1 ~ 50g/L; Hierarchy of control pH value and temperature; Behind the reaction certain hour, get cuprous oxide powder, concrete steps are following: a is heated to 30 ℃ ~ 70 ℃ with solution; B adds sulphite, between 1.5 ~ 3.5, carries out reduction reaction with alkali stabilising system pH value; Reaction 1 ~ 5h; C filtration, washing, drying promptly get cuprous oxide powder.
Embodiment 1
Use CuSO
45H
2O is configured to Cu
2+Ionic concn is the copper-bath 5L of 18g/L, and is following with the technology of this formulations prepared from solutions Red copper oxide:
(1) solution is heated to 30 ℃;
(2) the 180g S-WAT is joined in the solution, and keep pH value of solution=1.5, reacted 1 hour with sodium hydroxide;
(3), promptly get cuprous oxide powder with gained suspension filtered, washing, drying.
Embodiment 2
Cu in the copper electrolyte
2+Ionic concn is 13g/L, and the technology for preparing Red copper oxide with this copper electrolyte 10L is following:
(1) solution is heated to 70 ℃;
(2) the 520g S-WAT is joined in the solution, and keep pH value of solution=3.5, reacted 5 hours with sodium hydroxide;
(3), promptly get cuprous oxide powder with gained suspension filtered, washing, drying.
Embodiment 3
Cu in the electro deposited copper raffinate
2+Ionic concn is 1g/L, and the technology for preparing Red copper oxide with this electro deposited copper raffinate 50L is following:
(1) solution is heated to 50 ℃;
(2) the 150g potassium sulfite is joined in the solution, and keep pH value of solution=3.5, reacted 3 hours with sodium hydroxide;
(3), promptly get cuprous oxide powder with gained suspension filtered, washing, drying.
Embodiment 4
With sulfuric acid copper scrap is dissolved into Cu
2+Ionic concn is the copper solutions of 50g/L, and the technology for preparing Red copper oxide with this solution 5L is following:
(1) solution is heated to 70 ℃;
(2) the 500g potassium sulfite is joined in the solution, and keep pH value of solution=2.2, reacted 5 hours with sodium hydroxide;
(3), promptly get cuprous oxide powder with gained suspension filtered, washing, drying.
Claims (7)
1. method for preparing cuprous oxide powder, it is characterized in that its preparation process be with sulphite as reductive agent, join in the solution that contains bivalent cupric ion, carry out prepared in reaction and go out cuprous oxide powder.
2. a kind of method for preparing cuprous oxide powder according to claim 1 is characterized in that its preparation process control pH value of solution value is 1.5 ~ 3.5, and temperature of reaction is 30 ℃ ~ 70 ℃, reaction times 1h ~ 5h.
3. a kind of method for preparing cuprous oxide powder according to claim 1 is characterized in that the sulphite that its preparation process adds is S-WAT, and add-on is 2 ~ 4 times of copper amount.
4. a kind of method for preparing cuprous oxide powder according to claim 1 is characterized in that the sulphite that its preparation process adds is potassium sulfite, and add-on is 2 ~ 4 times of copper amount.
5. a kind of method for preparing cuprous oxide powder according to claim 1 is characterized in that the described copper ion concentration that contains the bivalent cupric ion aqueous solution is 1 ~ 50g/L.
6. a kind of method for preparing cuprous oxide powder according to claim 1 is characterized in that described that contain the bivalent cupric ion aqueous solution is CuSO
45H
2The aqueous solution of O configuration.
7. a kind of method for preparing cuprous oxide powder according to claim 1 is characterized in that described contain scavenging solution, electro deposited copper raffinate or the copper scrap that the bivalent cupric ion aqueous solution is the copper electrolytic process generation, the pickling liquor of useless circuit card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102356483A CN102390861A (en) | 2011-08-17 | 2011-08-17 | Method for preparing cuprous oxide powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102356483A CN102390861A (en) | 2011-08-17 | 2011-08-17 | Method for preparing cuprous oxide powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102390861A true CN102390861A (en) | 2012-03-28 |
Family
ID=45858272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102356483A Pending CN102390861A (en) | 2011-08-17 | 2011-08-17 | Method for preparing cuprous oxide powder |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103043702A (en) * | 2012-12-10 | 2013-04-17 | 浙江理工大学 | Method for grinding and preparing nano-cuprous oxide |
| CN104591257A (en) * | 2015-01-12 | 2015-05-06 | 广东光华科技股份有限公司 | Preparation method of cubic micro/nano cuprous oxide powder |
| CN104591256A (en) * | 2015-01-12 | 2015-05-06 | 广东光华科技股份有限公司 | Method for preparing cuprous oxide in copper chloride system |
| CN105400955A (en) * | 2015-11-19 | 2016-03-16 | 湖南力泓新材料科技股份有限公司 | Method for removing copper ions in zinc sulfate solution |
| CN106191452A (en) * | 2016-09-28 | 2016-12-07 | 江苏理工学院 | A kind of method preparing Red copper oxide for raw materials recovery with copper scrap tungsten alloy |
| CN108609645A (en) * | 2018-08-06 | 2018-10-02 | 金川集团股份有限公司 | A method of producing cuprous oxide with copper-bath |
| CN112421051A (en) * | 2020-11-16 | 2021-02-26 | 河北零点新能源科技有限公司 | Preparation method of cuprous oxide modified copper foil at room temperature |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2280168A (en) * | 1941-08-22 | 1942-04-21 | Jr William B Stoddard | Process of preparing cuprous oxide |
| CN1054956A (en) * | 1990-03-12 | 1991-10-02 | 烟台市古现化工厂 | A kind of method of producing Red copper oxide |
| JP2006069879A (en) * | 2004-09-06 | 2006-03-16 | Fuji Photo Film Co Ltd | Method of manufacturing cuprous oxide particles, and cuprous oxide particles |
-
2011
- 2011-08-17 CN CN2011102356483A patent/CN102390861A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2280168A (en) * | 1941-08-22 | 1942-04-21 | Jr William B Stoddard | Process of preparing cuprous oxide |
| CN1054956A (en) * | 1990-03-12 | 1991-10-02 | 烟台市古现化工厂 | A kind of method of producing Red copper oxide |
| JP2006069879A (en) * | 2004-09-06 | 2006-03-16 | Fuji Photo Film Co Ltd | Method of manufacturing cuprous oxide particles, and cuprous oxide particles |
Non-Patent Citations (2)
| Title |
|---|
| 张萍 等: "亚硫酸钠还原法制备超细氧化亚铜粉末", 《四川有色金属》 * |
| 翟纪伟 等: "均相还原法制备氧化亚铜微晶及粒径控制", 《材料导报：研究篇》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103043702A (en) * | 2012-12-10 | 2013-04-17 | 浙江理工大学 | Method for grinding and preparing nano-cuprous oxide |
| CN104591257A (en) * | 2015-01-12 | 2015-05-06 | 广东光华科技股份有限公司 | Preparation method of cubic micro/nano cuprous oxide powder |
| CN104591256A (en) * | 2015-01-12 | 2015-05-06 | 广东光华科技股份有限公司 | Method for preparing cuprous oxide in copper chloride system |
| CN104591256B (en) * | 2015-01-12 | 2017-04-05 | 广东光华科技股份有限公司 | A kind of method that cuprous oxide is prepared under copper chloride system |
| CN105400955A (en) * | 2015-11-19 | 2016-03-16 | 湖南力泓新材料科技股份有限公司 | Method for removing copper ions in zinc sulfate solution |
| CN106191452A (en) * | 2016-09-28 | 2016-12-07 | 江苏理工学院 | A kind of method preparing Red copper oxide for raw materials recovery with copper scrap tungsten alloy |
| CN108609645A (en) * | 2018-08-06 | 2018-10-02 | 金川集团股份有限公司 | A method of producing cuprous oxide with copper-bath |
| CN112421051A (en) * | 2020-11-16 | 2021-02-26 | 河北零点新能源科技有限公司 | Preparation method of cuprous oxide modified copper foil at room temperature |
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Application publication date: 20120328 |