DE602007013578D1 - ELECTROCHEMICAL PROCESS FOR THE RECOVERY OF WASTE METAL CHLORIDE - Google Patents
ELECTROCHEMICAL PROCESS FOR THE RECOVERY OF WASTE METAL CHLORIDEInfo
- Publication number
- DE602007013578D1 DE602007013578D1 DE602007013578T DE602007013578T DE602007013578D1 DE 602007013578 D1 DE602007013578 D1 DE 602007013578D1 DE 602007013578 T DE602007013578 T DE 602007013578T DE 602007013578 T DE602007013578 T DE 602007013578T DE 602007013578 D1 DE602007013578 D1 DE 602007013578D1
- Authority
- DE
- Germany
- Prior art keywords
- iron
- metal chloride
- chloride solution
- rich metal
- electrochemical process
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910001510 metal chloride Inorganic materials 0.000 title abstract 5
- 238000000034 method Methods 0.000 title abstract 2
- 238000011084 recovery Methods 0.000 title abstract 2
- 239000002699 waste material Substances 0.000 title abstract 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 15
- 229910052742 iron Inorganic materials 0.000 abstract 7
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 abstract 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 150000001450 anions Chemical class 0.000 abstract 1
- 238000005660 chlorination reaction Methods 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 238000002386 leaching Methods 0.000 abstract 1
- 238000005554 pickling Methods 0.000 abstract 1
Classifications
-
- 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
Landscapes
- Electrolytic Production Of Metals (AREA)
- Secondary Cells (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
An electrochemical process for the concurrent recovery of iron metal and chlorine gas from an iron-rich metal chloride solution, comprising electrolysing the iron-rich metal chloride solution in an electrolyser comprising a cathodic compartment equipped with a cathode having a hydrogen overpotential higher than that of iron and containing a catholyte having a pH below about 2, an anodic compartment equipped with an anode and containing an anolyte, and a separator allowing for anion passage, the electrolysing step comprising circulating the iron-rich metal chloride solution in a non-anodic compartment of the electrolyser, thereby causing iron to be electrodeposited at the cathode and chlorine gas to evolve at the anode, and leaving an iron-depleted solution. The iron-rich metal chloride solution may originate from carbo-chlorination wastes, spent acid leaching liquors or pickling liquors.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US82645306P | 2006-09-21 | 2006-09-21 | |
| CA2560407 | 2006-09-21 | ||
| PCT/CA2007/000026 WO2008034212A1 (en) | 2006-09-21 | 2007-01-09 | Electrochemical process for the recovery of metallic iron and chlorine values from iron-rich metal chloride wastes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE602007013578D1 true DE602007013578D1 (en) | 2011-05-12 |
Family
ID=41040522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE602007013578T Active DE602007013578D1 (en) | 2006-09-21 | 2007-01-09 | ELECTROCHEMICAL PROCESS FOR THE RECOVERY OF WASTE METAL CHLORIDE |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN101517129B (en) |
| AT (1) | ATE503864T1 (en) |
| DE (1) | DE602007013578D1 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102091527A (en) * | 2010-12-23 | 2011-06-15 | 何卫东 | Method and device for absorbing waste chlorine generated in lithium production process by utilizing iron powder |
| CN102633326B (en) * | 2012-04-28 | 2014-05-21 | 云南铜业股份有限公司 | Ion-exchange membrane electrolysis method for treating chlorine-containing acidic wastewater in copper metallurgy process |
| CN108505061A (en) * | 2018-07-03 | 2018-09-07 | 中国水利水电科学研究院 | A kind of high-concentrated sodium hypochlorite generator |
| CN109182782B (en) * | 2018-09-25 | 2020-12-04 | 内蒙古扎鲁特旗鲁安矿业有限公司 | Boiling chlorination extraction method of niobium-tantalum concentrate |
| CN109136985A (en) * | 2018-10-27 | 2019-01-04 | 揭阳市斯瑞尔环境科技有限公司 | A kind of method that electrolytic chlorination iron etching waste liquor produces iron plate and ferric trichloride |
| CN110592378B (en) * | 2019-04-30 | 2021-05-04 | 内蒙古科技大学 | Method for recovering rare earth and iron from ultrafine powder waste generated during NdFeB production process |
| CN111663039B (en) * | 2020-06-01 | 2022-07-12 | 中国恩菲工程技术有限公司 | Method and apparatus for recovering polymetallic nodules |
| CA3212099A1 (en) * | 2021-03-24 | 2022-09-29 | Ai Quoc Pham | Impurity removal in an iron conversion system |
| CN115645814B (en) * | 2022-10-27 | 2024-04-05 | 浙江工业大学 | An ultra-low-loading palladium nanocrystal modified electrode and its preparation method and its application in electrochemical dechlorination |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AUPM424894A0 (en) * | 1994-03-04 | 1994-03-31 | Spunboa Pty Limited | Treatment of electrolyte solutions |
| MY115542A (en) * | 1996-06-28 | 2003-07-31 | Astec Irie Co Ltd | Method for recovering etchand from etching waste liquid containing iron chloride |
-
2007
- 2007-01-09 CN CN2007800350588A patent/CN101517129B/en not_active Expired - Fee Related
- 2007-01-09 AT AT07701657T patent/ATE503864T1/en not_active IP Right Cessation
- 2007-01-09 DE DE602007013578T patent/DE602007013578D1/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| ATE503864T1 (en) | 2011-04-15 |
| CN101517129A (en) | 2009-08-26 |
| CN101517129B (en) | 2011-05-11 |
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