ES430503A1 - Procedure for treating metallic sulfurs containing iron. (Machine-translation by Google Translate, not legally binding) - Google Patents
Procedure for treating metallic sulfurs containing iron. (Machine-translation by Google Translate, not legally binding)Info
- Publication number
- ES430503A1 ES430503A1 ES74430503A ES430503A ES430503A1 ES 430503 A1 ES430503 A1 ES 430503A1 ES 74430503 A ES74430503 A ES 74430503A ES 430503 A ES430503 A ES 430503A ES 430503 A1 ES430503 A1 ES 430503A1
- Authority
- ES
- Spain
- Prior art keywords
- sulfur
- sulphides
- acid
- production
- iron
- 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.)
- Expired
Links
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
Procedure for treating iron containing metal sulphides, for the massive separation of the iron content thereof and so that the non-ferrous metal values are susceptible of recovery separately, characterized by comprising the steps of: heating said iron content metal sulphides at a high temperature in a practically antioxidant atmosphere to eliminate labile sulfur; contacting said destabilized sulphides with a reducing gas capable of accepting sulfur to convert the sulphitic iron from said sulphides into an acid leachable form, said reducing gas being contacted, in countercurrent, with said destabilized sulphides, whereby the reaction products Fuels and the labile sulfur thereof can be burned in an adjustable way with sufficient oxygen to provide heat for said heating phase and to convert the sulfur values into SO2 that is discharged from said heating phase, subjecting said sulfides to leaching acidic in aqueous sulfuric acid to produce a solution of ferrous sulfate and a solid residue containing copper and iron in a molar ratio of at least about 1: 1, with simultaneous evolution of H2S gas; discharge said ferrous sulfate and solid residue for the subsequent separation, as well as the recovery of non-ferrous metal values and the production of sulfuric acid for recycling to said acid leaching; burn a part of said H2S gas; combining the burnt H2S with SO2 from the heating phase for the production of at least part of the sulfuric acid necessary in said acid leaching; and combine the remaining H2S with the remaining SO2 from said heating phase for the production of elemental sulfur, controlling the production of sulfuric acid and elemental sulfur to supply the acid needs of the acid leaching phase with excess sulfur produced as sulfur elemental, thereby practically eliminating the discharge of sulfur values into the atmosphere. (Machine-translation by Google Translate, not legally binding)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA182368 | 1973-08-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES430503A1 true ES430503A1 (en) | 1976-10-01 |
Family
ID=4097965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES74430503A Expired ES430503A1 (en) | 1973-08-28 | 1974-09-28 | Procedure for treating metallic sulfurs containing iron. (Machine-translation by Google Translate, not legally binding) |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES430503A1 (en) |
-
1974
- 1974-09-28 ES ES74430503A patent/ES430503A1/en not_active Expired
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1443489A (en) | Method of recovering crude lead from a material containing lead in the form of oxide and/or sulphate | |
| ES418724A1 (en) | Recovery of sulfur from so2-containing regeneration off-gases | |
| ES430503A1 (en) | Procedure for treating metallic sulfurs containing iron. (Machine-translation by Google Translate, not legally binding) | |
| GB1373873A (en) | Process for the splitting of ammonium sulphate | |
| US4011303A (en) | Process for desulfurizing sulfur-bearing coke | |
| GB1483227A (en) | Production of copper and sulphur from copper-iron sulphides | |
| ES273734A1 (en) | Process for roasting iron sulfides to form sulfur dioxide and magnetite | |
| ES261310A1 (en) | Method for obtaining elemental sulphur from pyrite or pyrite concentrates | |
| GB1482901A (en) | Process and apparatus for the utilization of sulphur compounds contained in gases containing oxygen and a high water vapour content | |
| ES431091A1 (en) | Metallgesellschaft ag process and apparatus for dehydrating gas with sulphuric acid | |
| SU142767A1 (en) | The method of preparation of oxidized nickel ores and concentrates for smelting | |
| GB2023172A (en) | Process for Removing Sulfur from Coal | |
| ES375614A1 (en) | Method of manufacturing sulphuric acid according to the contact method | |
| ES270491A1 (en) | A procedure for the production of steel or poor iron in carbon (Machine-translation by Google Translate, not legally binding) | |
| ES466114A1 (en) | Recovery of elementary sulphur from sulphur-containing waste residues | |
| GB463438A (en) | Recovery of sulphur | |
| ES349617A1 (en) | Method for the preparation of elemental sulphide, reducing dioxide of sulfide, containing gases, by means of carbon finally divided at elevated temperature. (Machine-translation by Google Translate, not legally binding) | |
| SU1030414A1 (en) | Method for roasting iron ore pellets | |
| SU485151A1 (en) | Method for the production of iron ore pellets | |
| ES374292A1 (en) | A procedure for the obtaination of pitches calcinated suitable for foundry. (Machine-translation by Google Translate, not legally binding) | |
| ES431073A1 (en) | Process for the separation of acid mists from the waste gases of sulphuric acid plants | |
| GB974950A (en) | Process for the manufacture of sulphuric dioxide | |
| ES415102A1 (en) | Procedure to recover by separate lead wealth and wealth of sulfur from minerals or concentrates of lead sulfide without previous sinter. (Machine-translation by Google Translate, not legally binding) | |
| GB656140A (en) | Improvements in the recovery of sulphur as hydrogen sulphide from iron-sulphide bearing material | |
| MEYERS et al. | Coal desulfurization(for reduction of pollution emissions) |