PE20212358A1 - Proceso hidrometalurgico para la extraccion simultanea de metales y yeso de los polvos de horno de arco electrico de acererias - Google Patents
Proceso hidrometalurgico para la extraccion simultanea de metales y yeso de los polvos de horno de arco electrico de acereriasInfo
- Publication number
- PE20212358A1 PE20212358A1 PE2020000302A PE2020000302A PE20212358A1 PE 20212358 A1 PE20212358 A1 PE 20212358A1 PE 2020000302 A PE2020000302 A PE 2020000302A PE 2020000302 A PE2020000302 A PE 2020000302A PE 20212358 A1 PE20212358 A1 PE 20212358A1
- Authority
- PE
- Peru
- Prior art keywords
- zinc
- iron
- electric arc
- arc furnace
- silver
- Prior art date
Links
- 238000010891 electric arc Methods 0.000 title abstract 4
- 238000009854 hydrometallurgy Methods 0.000 title abstract 3
- 239000000428 dust Substances 0.000 title abstract 2
- 238000000605 extraction Methods 0.000 title abstract 2
- 229910052602 gypsum Inorganic materials 0.000 title abstract 2
- 239000010440 gypsum Substances 0.000 title abstract 2
- 229910052751 metal Inorganic materials 0.000 title 1
- 239000002184 metal Substances 0.000 title 1
- 150000002739 metals Chemical class 0.000 title 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 9
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 abstract 5
- 239000011701 zinc Substances 0.000 abstract 5
- 229910052725 zinc Inorganic materials 0.000 abstract 5
- 229910052742 iron Inorganic materials 0.000 abstract 4
- 229910052709 silver Inorganic materials 0.000 abstract 3
- 239000004332 silver Substances 0.000 abstract 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract 2
- 229910000831 Steel Inorganic materials 0.000 abstract 2
- 229910052791 calcium Inorganic materials 0.000 abstract 2
- 239000011575 calcium Substances 0.000 abstract 2
- 239000011133 lead Substances 0.000 abstract 2
- 239000010959 steel Substances 0.000 abstract 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 abstract 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract 1
- 239000012141 concentrate Substances 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 abstract 1
- 239000002920 hazardous waste Substances 0.000 abstract 1
- 229910001385 heavy metal Inorganic materials 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000000843 powder Substances 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 239000002910 solid waste Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 239000011593 sulfur Substances 0.000 abstract 1
- 229910052717 sulfur Inorganic materials 0.000 abstract 1
- 238000007738 vacuum evaporation Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/02—Working-up flue dust
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/02—Refining by liquating, filtering, centrifuging, distilling, or supersonic wave action including acoustic waves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/02—Solvent extraction of solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/02—Froth-flotation processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/08—Subsequent treatment of concentrated product
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/005—Preliminary treatment of scrap
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/02—Roasting processes
- C22B1/06—Sulfating roasting
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B11/00—Obtaining noble metals
- C22B11/04—Obtaining noble metals by wet processes
- C22B11/042—Recovery of noble metals from waste materials
- C22B11/044—Recovery of noble metals from waste materials from pyrometallurgical residues, e.g. from ashes, dross, flue dust, mud, skim, slag, sludge
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B13/00—Obtaining lead
- C22B13/04—Obtaining lead by wet processes
- C22B13/045—Recovery from waste materials
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B19/00—Obtaining zinc or zinc oxide
- C22B19/20—Obtaining zinc otherwise than by distilling
- C22B19/26—Refining solutions containing zinc values, e.g. obtained by leaching zinc ores
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B19/00—Obtaining zinc or zinc oxide
- C22B19/30—Obtaining zinc or zinc oxide from metallic residues or scraps
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B26/00—Obtaining alkali, alkaline earth metals or magnesium
- C22B26/20—Obtaining alkaline earth metals or magnesium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
- C22B3/06—Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic acid solutions, e.g. with acids generated in situ; in inorganic salt solutions other than ammonium salt solutions
- C22B3/08—Sulfuric acid, other sulfurated acids or salts thereof
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/001—Dry processes
- C22B7/002—Dry processes by treating with halogens, sulfur or compounds thereof; by carburising, by treating with hydrogen (hydriding)
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/006—Wet processes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/14—Refining in the solid state
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/02—Solvent extraction of solids
- B01D11/0288—Applications, solvents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/004—Organic compounds
- B03D1/0046—Organic compounds containing silicon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/004—Organic compounds
- B03D1/008—Organic compounds containing oxygen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/004—Organic compounds
- B03D1/012—Organic compounds containing sulfur
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/018—Mixtures of inorganic and organic compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/02—Collectors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/06—Depressants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2203/00—Specified materials treated by the flotation agents; Specified applications
- B03D2203/02—Ores
- B03D2203/04—Non-sulfide ores
-
- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Geochemistry & Mineralogy (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Dispersion Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
Consiste en un proceso hidrometalurgico para la extraccion simultanea de Zinc, Plomo, Plata, Hierro y Calcio, del polvo de horno de arco electrico (desecho peligroso) producido por la industria siderurgica (acerias) en la forma de productos industriales: el Zinc como Sulfato de Zinc o Catodos de Zinc, el Plomo y la Plata como un concentrado de Plomo y Plata, el Hierro como Hierro reducido elemental para retorno al horno de arco electrico, finalmente el calcio como Yeso, sin que se generen desechos solidos ni efluentes liquidos. En el proceso se produce el cambio de la naturaleza quimica de los polvos de horno de arco electrico (oxidos complejos) a un complejo sulfurado, se eliminan los peligros asociados a la generacion de sales fugitivas de metales pesados, ademas que resuelve el problema hidro metalurgico de la baja recuperacion de Zinc y de Hierro. Haciendo la hidro metalurgia mas facil y ambiental ya que se utiliza como lixiviante agua condensada, la cual se regenera de forma continua mediante los sistemas de evaporacion al vacio sin la generacion de efluentes.
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PE2020000302A PE20212358A1 (es) | 2020-03-02 | 2020-03-02 | Proceso hidrometalurgico para la extraccion simultanea de metales y yeso de los polvos de horno de arco electrico de acererias |
| BR112022016385A BR112022016385A2 (pt) | 2020-03-02 | 2021-02-09 | Processo hidrometalúrgico para extração simultânea de metais e gesso de pó de forno de arco elétrico em siderúrgicas |
| US17/905,207 US20230137480A1 (en) | 2020-03-02 | 2021-02-09 | Hydrometallurgical method for simultaneously extracting metals and gypsum from the dust of a steelworks electric arc furnace |
| EP21764342.8A EP4115962A4 (en) | 2020-03-02 | 2021-02-09 | Hydrometallurgical method for simultaneously extracting metals and gypsum from the dust of a steelworks electric arc furnace |
| KR1020227030089A KR20220146487A (ko) | 2020-03-02 | 2021-02-09 | 제철소 전기 아크로의 분진으로부터 금속과 석고를 동시에 추출하기 위한 습식 제련 방법 |
| PCT/PE2021/000002 WO2021177843A1 (es) | 2020-03-02 | 2021-02-09 | Proceso hidrometalúrgico para la extracción simultánea de metales y yeso de los polvos de horno de arco eléctrico de acerías |
| MX2022009168A MX2022009168A (es) | 2020-03-02 | 2021-02-09 | Proceso hidrometalúrgico para la extracción simultánea de metales y yeso de los polvos de horno de arco eléctrico de acerías. |
| ARP210100468A AR121407A1 (es) | 2020-03-02 | 2021-02-24 | Proceso hidrometalúrgico para la extracción simultánea de metales y yeso de los polvos de horno de arco eléctrico de acerías |
| CONC2022/0011061A CO2022011061A2 (es) | 2020-03-02 | 2022-08-04 | Proceso hidrometalúrgico para la extracción simultánea de metales y yeso de los polvos de horno de arco eléctrico de acerías |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PE2020000302A PE20212358A1 (es) | 2020-03-02 | 2020-03-02 | Proceso hidrometalurgico para la extraccion simultanea de metales y yeso de los polvos de horno de arco electrico de acererias |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PE20212358A1 true PE20212358A1 (es) | 2021-12-21 |
Family
ID=77614501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PE2020000302A PE20212358A1 (es) | 2020-03-02 | 2020-03-02 | Proceso hidrometalurgico para la extraccion simultanea de metales y yeso de los polvos de horno de arco electrico de acererias |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US20230137480A1 (es) |
| EP (1) | EP4115962A4 (es) |
| KR (1) | KR20220146487A (es) |
| AR (1) | AR121407A1 (es) |
| BR (1) | BR112022016385A2 (es) |
| CO (1) | CO2022011061A2 (es) |
| MX (1) | MX2022009168A (es) |
| PE (1) | PE20212358A1 (es) |
| WO (1) | WO2021177843A1 (es) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114100188A (zh) * | 2021-11-23 | 2022-03-01 | 鲁东大学 | 一种便于使用的海带分子提取提纯装置 |
| GR20230100855A (el) * | 2023-10-17 | 2025-05-14 | Σωκρατης Ιωαννη Αργυροπουλος | Υδρομεταλλουργικη μεθοδος παραγωγης - ανακτησης χαλκου και ψευδαργυρου απο eaf dust και slag πυρομεταλλουργιας, με τη χρηση ανοργανων και οργανικων προτυπων, συνθετων, υδατικων διαλυματων |
| GR1010931B (el) * | 2024-03-15 | 2025-05-02 | Σωκρατης Ιωαννη Αργυροπουλος | Υδρομεταλλουργικη μεθοδος παραγωγης ανακτησης χαλκου απο copper oil sludge, με τη χρηση ανοργανων και οργανικων προτυπων, συνθετων, υδατικων διαλυματων και γεωπολυμερων υλικων |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4034063A (en) * | 1974-03-22 | 1977-07-05 | Industrial Resources, Inc. | Process for control of SOx emissions from copper smelter operations |
| CA1206008A (en) * | 1982-02-24 | 1986-06-17 | Donald R. Weir | Recovery of zinc from zinc-containing sulphidic material |
| US4614543A (en) * | 1985-01-31 | 1986-09-30 | Amax Inc. | Mixed lixiviant for separate recovery of zinc and lead from iron-containing waste materials |
| US4610721A (en) * | 1985-01-31 | 1986-09-09 | Amax Inc. | Two-stage leaching process for steel plant dusts |
| US4610722A (en) * | 1985-01-31 | 1986-09-09 | Amax Inc. | Process for metal recovery from steel plant dust |
| US5286465A (en) * | 1992-06-29 | 1994-02-15 | Solomon Zaromb | Hydrometallurgical process for recovering iron sulfate and zinc sulfate from baghouse dust |
| US5336297A (en) * | 1993-02-16 | 1994-08-09 | Terra Gaia Environmental Group Inc. | Process for the treatment of electric arc furnace dust |
| FI115223B (fi) * | 2001-12-13 | 2005-03-31 | Outokumpu Oy | Menetelmä raudan saostamiseksi sinkkisulfaattiliuoksesta hematiittina |
| EP2902510A1 (en) * | 2014-01-29 | 2015-08-05 | Canbekte, Hüsnü Sinan | A new method for leaching of electric arc furnace dust (EAFD) with sulphuric acid |
| KR101889680B1 (ko) * | 2018-02-01 | 2018-08-17 | 고려아연 주식회사 | 황산아연 용액으로부터 철을 회수하는 방법 |
| AR117178A1 (es) * | 2018-11-30 | 2021-07-14 | Nmr360 9203 5468 Quebec Inc | Proceso para la recuperación de metales de valor de menas, concentrados, intermedios y desechos portadores de zinc |
-
2020
- 2020-03-02 PE PE2020000302A patent/PE20212358A1/es unknown
-
2021
- 2021-02-09 WO PCT/PE2021/000002 patent/WO2021177843A1/es not_active Ceased
- 2021-02-09 US US17/905,207 patent/US20230137480A1/en active Pending
- 2021-02-09 BR BR112022016385A patent/BR112022016385A2/pt not_active IP Right Cessation
- 2021-02-09 MX MX2022009168A patent/MX2022009168A/es unknown
- 2021-02-09 EP EP21764342.8A patent/EP4115962A4/en active Pending
- 2021-02-09 KR KR1020227030089A patent/KR20220146487A/ko active Pending
- 2021-02-24 AR ARP210100468A patent/AR121407A1/es unknown
-
2022
- 2022-08-04 CO CONC2022/0011061A patent/CO2022011061A2/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021177843A1 (es) | 2021-09-10 |
| CO2022011061A2 (es) | 2022-08-19 |
| EP4115962A4 (en) | 2024-04-24 |
| EP4115962A1 (en) | 2023-01-11 |
| BR112022016385A2 (pt) | 2022-10-11 |
| US20230137480A1 (en) | 2023-05-04 |
| KR20220146487A (ko) | 2022-11-01 |
| MX2022009168A (es) | 2022-08-17 |
| AR121407A1 (es) | 2022-06-01 |
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