CN101660050B - Method for removing and processing impurities in manganese ions generated by negative plate of electrolytic manganese - Google Patents
Method for removing and processing impurities in manganese ions generated by negative plate of electrolytic manganese Download PDFInfo
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- CN101660050B CN101660050B CN2009101047907A CN200910104790A CN101660050B CN 101660050 B CN101660050 B CN 101660050B CN 2009101047907 A CN2009101047907 A CN 2009101047907A CN 200910104790 A CN200910104790 A CN 200910104790A CN 101660050 B CN101660050 B CN 101660050B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The invention discloses a method for removing and processing impurities in manganese ions generated by a negative plate of electrolytic manganese. The method comprises the steps of: 1. collecting the mangeanese ions generated during the electrolytic process, screening the mangeanese ions by a vibrating screen, and then putting the manganese ions into a treating pond and adding water; 2. adding alkali matters into the treating pond, adding the mangeanese ions with the amount of 20-80kg/ton, stirring completely and then standing; and 3. washing the mangeanese ions, putting the manganese ions into the treating pond and adding clear water; also adding diluted hydrochloric acid, oxalic acid and the like into the treating pond, and stirring simultaneously; adding the mangeanese ions with the amount of 20-70kg/ton; and taking out the mangeanese ions again, using clear water to wash, and entering an oven for roasting immediately. The processing method can effectively remove the impurity sulfur in the mangeanese ions, reduce the content of sulfur to lead the product to conform to the related standard so as to become a qualified product, fully utilize manganese resources, reduce electric energy consumption and consumption of other auxiliary materials, effectively decrease the smelting cost of electrolytic manganese, meet the requirements of energy saving and energy reduction of enterprises, and reduce the discharge of wastes.
Description
Technical field
The treatment process of the groove mn ion that produces at the negative plate edge when the present invention relates to a kind of electrolytic manganese production is especially removed the treatment process of sulfur-containing impurities in the groove mn ion.
Background technology
In the electrolytic manganese production process, the mn ion electrolysis is adsorbed on becomes manganese metal on the negative plate; And, having produced the cotton-shaped relatively abundanter electrolysed substance of manganese that contains of a kind of grain at the negative plate edge, the industry is called " groove mn ion ".The cotton-shaped groove mn ion of grain comes off in the negative plate combo box, partly swim in the electrolytic solution, because of the long period is immersed in oxidized blackout the in the solution, main can not need remove processing to sulfur impurity as qualified manganese product because containing impurity such as higher sulphur (sulphur content can reach 0.1%～0.2%) and anode slag.In the prior art, a lot of groove mn ions are after processing, and sulfur impurity content wherein is still higher not to be met relevant criterion and become unacceptable product, does not perhaps handle because of processing costs is too high, the groove mn ion is dissolved in the electrolytic solution again, enters electrowinning process once more; Even there is part producer that it is stacked as waste material.Above-mentioned several treatment process has promptly been wasted raw material, does not make full use of resource, has also increased processing cost, and the corresponding smelting cost that increased can not satisfy and smelt the needs that producer saved energy and reduce the cost, reduces cost, made full use of resource etc.
Summary of the invention
The present invention is directed in the prior art that the groove mn ion that forms at cathode edge is not handled and stack or sulfur impurity content is still higher and to become unacceptable product or processing costs too high and increased the above-mentioned deficiencies such as smelting cost of electrolytic manganese after treatment as waste material, provide a kind of simple to operation, effectively remove sulfur impurity content and become salable product, make full use of the manganese resource, reduce the groove mn ion that the electrolytic manganese negative plate of electrolytic manganese smelting cost produces and remove the impurity treatment process.
Technical scheme of the present invention is: the groove mn ion that the electrolytic manganese negative plate produces is removed the impurity treatment process, it is characterized in that comprising that step is as follows:
(1) the groove mn ion that produces in the electrolytic process is collected, after bolting is handled, remove comprising anode slag at interior impurity; Again the groove mn ion after vibratory screening apparatus is handled is placed treating pond, in treating pond, add clear water;
(2) add alkaline matter in treating pond, add-on is 20 to 80 kilograms of groove mn ions per ton, after fully stirring, leaves standstill for some time; Because sulfur impurity is mainly with (NH
4)
2SO
4Form have alkaline matter and (NH
4)
2SO
4Chemical reaction takes place, with (NH
4)
2SO
4In element sulphur generate the form of the vitriol be dissolvable in water water, remove element sulphur, reduce sulphur content;
(3) with after the flushing of the groove mn ion after the above-mentioned processing, place treating pond, in treating pond, add clear water; In treating pond, add acid or acidic solution except that sulfuric acid again,, stir while add as dilute hydrochloric acid, oxalic acid; Add-on is 20 to 70 kilograms of groove mn ions per ton; After for some time reaction, the groove mn ion is taken out, clean with flushing with clean water, enter the baking oven baking immediately, till drying.
Further feature is: described alkaline matter is sodium hydroxide or potassium hydroxide or calcium hydroxide.
The groove mn ion that electrolytic manganese negative plate of the present invention produces is removed the impurity treatment process, with respect to prior art, has following characteristics:
1, can effectively remove sulfur impurity in the groove mn ion, fall doctor negative content and make it meet related standards and become salable product, make full use of the manganese resource.
2, reduce the electric energy consumption of electrolytic manganese in smelting, reduce other consumption of auxiliary materials amount, effectively reduce the electrolytic manganese smelting cost, satisfy the needs of industry energy conservation consumption reduction.
3, reduce the quantity discharged of refuse, make a kind of treatment process of environmental protection.
Embodiment
The groove mn ion that electrolytic manganese negative plate of the present invention produces is removed the impurity treatment process, and its step is as follows:
1, the groove mn ion that negative plate in the electrolytic process is produced collects, and after bolting, removes comprising anode slag at interior impurity; Again the groove mn ion after bolting is handled is placed treating pond, add clear water in treating pond, the clear water add-on preferably covers the groove mn ion floods;
2, add alkaline matter in treating pond, as sodium hydroxide, potassium hydroxide, calcium hydroxide etc., add-on is 20 to 80 kilograms of groove mn ions per ton, after fully stirring, leaves standstill for some time, and common time of repose is more than 10 hours; Because sulfur impurity is mainly with (NH
4)
2SO
4Form have alkaline matter (sodium hydroxide) and (NH
4)
2SO
4Chemical reaction takes place, with (NH
4)
2SO
4In element sulphur generate the form of the vitriol be dissolvable in water water, remove element sulphur, reduce sulphur content; Its chemical equation is:
(NH
4)
2SO
4+2NaOH＝Na
2SO
4+2H
2O+2NH
3↑
3, with after the flushing of the groove mn ion after the above-mentioned processing, place treating pond, add clear water, the clear water add-on preferably is annihilated the groove mn ion; In treating pond, add acid or acidic substance except that sulfuric acid again,, stir while add as dilute hydrochloric acid, oxalic acid etc.; Add-on is 20 to 70 kilograms of groove mn ions per ton; After for some time reaction, the reaction times generally is no more than 20 minutes, and the groove mn ion is taken out, and is clean with flushing with clean water, enters the baking oven baking immediately, till drying.The oxide compound on acid mass-energy and groove mn ion surface produces reaction, removes oxide on surface, makes the color of groove mn ion become canescence, presents the metal true qualities of manganese.After above-mentioned steps is handled, can effectively reduce the content of sulphur in the groove mn ion.
Embodiment one:
One ton of groove mn ion collecting is placed treating pond, add 40 kilograms of sodium hydroxide, after stirring, left standstill 12 hours, it is fully reacted; After taking-up is rinsed well, in treating pond, add 50 kilograms oxalic acid again, stir while adding, react after 10 minutes and take out, after flushing with clean water is clean, enter the baking oven baking at once.Through the physics and chemistry index analysis, before employing the inventive method was handled, the Mn content in the groove mn ion was 89.51%, and S content is 0.12%, the obvious superelevation of S content, and Mn content brings up to 93.62% after treatment, S content is reduced to 0.032%, reduces significantly.
Embodiment two:
One ton of groove mn ion collecting is placed treating pond, add 50 kilograms of sodium hydroxide, after stirring, left standstill 10 hours, it is fully reacted; After taking-up is rinsed well, in treating pond, add 55 kilograms dilute hydrochloric acid again, stir while adding, react after 8 minutes and take out, after flushing with clean water is clean, enter the baking oven baking at once.Through the physics and chemistry index analysis, before employing the inventive method was handled, the Mn content in the groove mn ion was 88.87%, and S content is 0.118%, the obvious superelevation of S content, and Mn content brings up to 94.13% after treatment, S content is reduced to 0.036%, reduces significantly.
The alkaline matter that in treating pond, adds, as sodium hydroxide, potassium hydroxide, calcium hydroxide etc., add-on can also be 20,25,30,35,40,60,65,70,75,80 kilograms of groove mn ions per ton; The acidic solution that in treating pond, adds, as dilute hydrochloric acid, oxalic acid etc., add-on can also be 20,25,30,40,45,60,65,70 kilograms of groove mn ions per ton; Can both reach the treatment effect of expection.
Claims (2)
1. the groove mn ion of electrolytic manganese negative plate generation is removed the impurity treatment process, it is characterized in that comprising that step is as follows:
(1) the groove mn ion that produces in the electrolytic process is collected, after bolting is handled, remove comprising anode slag at interior impurity; Again the groove mn ion after vibratory screening apparatus is handled is placed treating pond, in treating pond, add clear water;
(2) add alkaline matter in treating pond, add-on is 20 to 80 kilograms of groove mn ions per ton, after fully stirring, leaves standstill for some time; Described alkaline matter, can with mainly with (NH
4)
2SO
4The sulfur impurity generation chemical reaction that exists of form, with (NH
4)
2SO
4In element sulphur generate the form of the vitriol be dissolvable in water water, remove element sulphur;
(3) with after the flushing of the groove mn ion after the above-mentioned processing, place treating pond, in treating pond, add clear water; In treating pond, add the acid except that sulfuric acid again, stir while add; Add-on is 20 to 70 kilograms of groove mn ions per ton; After for some time reaction, the groove mn ion is taken out, clean with flushing with clean water, enter the baking oven baking immediately, till drying.
2. the groove mn ion that electrolytic manganese negative plate according to claim 1 produces is removed the impurity treatment process, and it is characterized in that: described alkaline matter is sodium hydroxide or potassium hydroxide.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101047907A CN101660050B (en) | 2009-09-04 | 2009-09-04 | Method for removing and processing impurities in manganese ions generated by negative plate of electrolytic manganese |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101047907A CN101660050B (en) | 2009-09-04 | 2009-09-04 | Method for removing and processing impurities in manganese ions generated by negative plate of electrolytic manganese |
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| CN101660050A CN101660050A (en) | 2010-03-03 |
| CN101660050B true CN101660050B (en) | 2011-04-13 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1033280C (en) * | 1993-04-01 | 1996-11-13 | 北京科技大学 | Recovery method for smoke containing iron, manganese, zinc, lead and other elements |
| CN1236735A (en) * | 1998-05-25 | 1999-12-01 | 中国石化扬子石油化工公司 | Separating and refining process for Co-Mn mixture |
| CN101428928A (en) * | 2008-12-09 | 2009-05-13 | 中南大学 | Treatment method for manganese-containing wastewater biological agent |
-
2009
- 2009-09-04 CN CN2009101047907A patent/CN101660050B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1033280C (en) * | 1993-04-01 | 1996-11-13 | 北京科技大学 | Recovery method for smoke containing iron, manganese, zinc, lead and other elements |
| CN1236735A (en) * | 1998-05-25 | 1999-12-01 | 中国石化扬子石油化工公司 | Separating and refining process for Co-Mn mixture |
| CN101428928A (en) * | 2008-12-09 | 2009-05-13 | 中南大学 | Treatment method for manganese-containing wastewater biological agent |
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|---|---|
| CN101660050A (en) | 2010-03-03 |
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Effective date of registration: 20220627 Address after: 554199 4th floor, Economic Development Zone Management Committee, Songtao Miao Autonomous County, Tongren City, Guizhou Province Patentee after: GUIZHOU WULING MANGANESE INDUSTRY Co.,Ltd. Address before: 409912 Xiushan Town, Xiushan County, Chongqing, No. 1 (Wuling Manganese Industry Co., Ltd.) Patentee before: Chongqing Wuling Manganese Industry Corp. |