MX2014009936A - Process for removing copper and silver form melted lead by injection of sulfur and zinc powders. - Google Patents
Process for removing copper and silver form melted lead by injection of sulfur and zinc powders.Info
- Publication number
- MX2014009936A MX2014009936A MX2014009936A MX2014009936A MX2014009936A MX 2014009936 A MX2014009936 A MX 2014009936A MX 2014009936 A MX2014009936 A MX 2014009936A MX 2014009936 A MX2014009936 A MX 2014009936A MX 2014009936 A MX2014009936 A MX 2014009936A
- Authority
- MX
- Mexico
- Prior art keywords
- sulfur
- lead
- silver
- zinc
- injection
- Prior art date
Links
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical group [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title abstract 5
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title abstract 5
- 239000011701 zinc Substances 0.000 title abstract 5
- 229910052725 zinc Inorganic materials 0.000 title abstract 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title abstract 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title abstract 4
- 229910052802 copper Inorganic materials 0.000 title abstract 4
- 239000010949 copper Substances 0.000 title abstract 4
- 229910052717 sulfur Inorganic materials 0.000 title abstract 4
- 239000011593 sulfur Substances 0.000 title abstract 4
- 239000000843 powder Substances 0.000 title abstract 3
- 238000002347 injection Methods 0.000 title abstract 2
- 239000007924 injection Substances 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 229910052709 silver Inorganic materials 0.000 abstract 4
- 239000004332 silver Substances 0.000 abstract 4
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical compound [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 abstract 1
- 102000005298 Iron-Sulfur Proteins Human genes 0.000 abstract 1
- 108010081409 Iron-Sulfur Proteins Proteins 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 230000001737 promoting effect Effects 0.000 abstract 1
- 238000007670 refining Methods 0.000 abstract 1
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
The industry for obtaining primary and secondary lead requires a stage for removing copper and silver. The pyrometallurgical removal of silver dissolved in lead requires the addition of zinc to the melted lead, the metallic bath being agitated for promoting the reaction of the zinc with the dissolved silver. In the pyrometallurgical removal of copper, sulfur or iron sulfur is used, while the liquid lead is agitated. This patent proposes a novel pyro-refining process for removing copper and silver from primary and secondary lead, which consists in the injection of sulfur and zinc powders, respectively, in the core of the melted lead. The efficiency of sulfur and zinc in powder is increased as the superficial area is also increased, thus only being injected the stoichiometric amount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| MX2014009936A MX2014009936A (en) | 2014-08-18 | 2014-08-18 | Process for removing copper and silver form melted lead by injection of sulfur and zinc powders. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| MX2014009936A MX2014009936A (en) | 2014-08-18 | 2014-08-18 | Process for removing copper and silver form melted lead by injection of sulfur and zinc powders. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MX2014009936A true MX2014009936A (en) | 2015-05-07 |
Family
ID=53577979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2014009936A MX2014009936A (en) | 2014-08-18 | 2014-08-18 | Process for removing copper and silver form melted lead by injection of sulfur and zinc powders. |
Country Status (1)
| Country | Link |
|---|---|
| MX (1) | MX2014009936A (en) |
-
2014
- 2014-08-18 MX MX2014009936A patent/MX2014009936A/en unknown
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