Obtaining arsenic

Industry

CPC
C22B30/04

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Parent Industries

CCHEMISTRY METALLURGY C22Metallurgy C22BPRODUCTION AND REFINING OF METALS PRETREATMENT OF RAW MATERIALS C22B30/00Obtaining antimony, arsenic or bismuth

Current Industry

C22B30/04Obtaining arsenic

Industries

Patents Grantslast 30 patents

Information Patent Grant
Integrated pressure oxidative leach of copper sulphidic feed with c...
- Patent number 11,584,975
- Issue date Feb 21, 2023
- Sherritt International Corporation
- Preston Carl Holloway
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Peptide binding to arsenic-containing mineral and use thereof
- Patent number 11,254,707
- Issue date Feb 22, 2022
- Shibaura Institute of Technology
- Mitsuo Yamashita
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Method for reducing arsenic content in arsenic-bearing gold material
- Patent number 11,155,894
- Issue date Oct 26, 2021
- Eldorado Gold Corporation
- Roman Berezowsky
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of leaching arsenic from ore comprising copper
- Patent number 11,149,328
- Issue date Oct 19, 2021
- Colorado School of Mines
- Kimberly D. Conner
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Removal liquid and method for removing oxide of group III-V element...
- Patent number 11,145,514
- Issue date Oct 12, 2021
- FUJIFILM Corporation
- Satomi Takahashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for separation of antimony and arsenic from a leach solution
- Patent number 11,124,857
- Issue date Sep 21, 2021
- GOLDCORP INC.
- Marcus Tomlinson
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for removing arsenic from materials containing same
- Patent number 10,865,461
- Issue date Dec 15, 2020
- MOLIBDENOS Y METALES S.A.
- John Patrick Graell Moore
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Method for immobilizing arsenic, and arsenic-containing vitrified w...
- Patent number 10,758,954
- Issue date Sep 1, 2020
- Mitsubishi Materials Corporation
- Atsuhiro Nabei
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Purification of copper concentrate by removal of arsenic and antimo...
- Patent number 10,385,420
- Issue date Aug 20, 2019
- Alchemides Pty Ltd
- Peter John Bartsch
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Stabilization process for an arsenic solution
- Patent number 10,370,739
- Issue date Aug 6, 2019
- GOLDCORP, INC.
- Marcus Tomlinson
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Leaching of minerals
- Patent number 10,190,193
- Issue date Jan 29, 2019
- GLENCORE TECHNOLOGY PTY LTD
- Michael Matthew Hourn
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for arsenic oxidation and removal from process and waste sol...
- Patent number 10,077,487
- Issue date Sep 18, 2018
- Barrick Gold Corporation
- Yeonuk Choi
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for separation of at least one metal sulfide from a mixed s...
- Patent number 9,885,095
- Issue date Feb 6, 2018
- GOLDCORP INC.
- Marcus Tomlinson
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for treating lead anode slime
- Patent number 9,650,695
- Issue date May 16, 2017
- Outotec (Finland) Oy
- Gunnar Berg
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Extraction of gallium and/or arsenic from gallium arsenide
- Patent number 9,611,521
- Issue date Apr 4, 2017
- EMPIRE TECHNOLOGY DEVELOPMENT LLC
- Michael R. Sievers
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for recovery of copper from arsenic-bearing and/or antimony...
- Patent number 9,410,225
- Issue date Aug 9, 2016
- Teck Resources Limited
- Henry Salomon-de-Friedberg
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for separating arsenic mineral from copper-bearing material...
- Patent number 8,960,444
- Issue date Feb 24, 2015
- Sumitomo Metal Mining Co., Ltd.
- Daishi Ochi
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Method for removing arsenic as scorodite
- Patent number 8,790,516
- Issue date Jul 29, 2014
- Outotec Oyj
- Mikko Ruonala
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for treating arsenic containing materials
- Patent number 8,771,619
- Issue date Jul 8, 2014
- Xstrata Queensland Limited
- David Nakon
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Extraction of gallium and/or arsenic from gallium arsenide
- Patent number 8,603,216
- Issue date Dec 10, 2013
- EMPIRE TECHNOLOGY DEVELOPMENT LLC
- Michael R. Sievers
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Arsenic-containing solid and method for producing it
- Patent number 8,465,723
- Issue date Jun 18, 2013
- Dowa Metals & Mining Co., Ltd.
- Tetsuo Fujita
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Scorodite-type iron-arsenic compound particles, production method t...
- Patent number 8,388,927
- Issue date Mar 5, 2013
- Dowa Metals & Mining Co., Ltd.
- Kenichi Inoue
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of alkali processing substance containing arsenic
- Patent number 8,147,779
- Issue date Apr 3, 2012
- Dowa Metals & Minning Co., Ltd.
- Mitsuo Abuyima
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of processing copper arsenic compound
- Patent number 8,110,162
- Issue date Feb 7, 2012
- Dowa Metals & Mining Co., Ltd.
- Mitsuo Abumiya
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of processing diarsenic trioxide
- Patent number 8,097,228
- Issue date Jan 17, 2012
- Dowa Metals & Mining Co., Ltd.
- Mitsuo Abumiya
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of processing non-ferrous smelting intermediates containing...
- Patent number 8,092,765
- Issue date Jan 10, 2012
- Dowa Metals & Mining Co., Ltd.
- Mitsuo Abumiya
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of processing non-ferrous smelting intermediate containing a...
- Patent number 8,092,764
- Issue date Jan 10, 2012
- Dowa Metals & Mining Co., Ltd.
- Mitsuo Abumiya
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of producing iron-arsenic compound excellent in crystallinity
- Patent number 7,695,698
- Issue date Apr 13, 2010
- Dowa Metals & Mining Co., Ltd.
- Tetsuo Fujita
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for the recovery of valuable metals and arsenic from a solution
- Patent number 7,615,199
- Issue date Nov 10, 2009
- Outotec Oyj
- Jaakko Poijärvi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Apparatus and process for extracting arsenic in vacuum
- Patent number 7,534,389
- Issue date May 19, 2009
- Beijing Goldtech Co., Ltd
- Wenzhou Luo
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PREPARING HIGH-PURITY METALLIC ARSENIC FROM ARSENIC-CONT...
- Publication number 20240336993
- Publication date Oct 10, 2024
- Central South University
- Wei SUN
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
RECOVERY METHOD FOR VALUABLE METALS IN COPPER ANODE SLIME
- Publication number 20240287644
- Publication date Aug 29, 2024
- KUNMING UNIVERSITY OF SCIENCE AND TECHNOLOGY
- Bin YANG
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR PRODUCING LOW-ARSENIC COPPER CONCENTRATE
- Publication number 20240124952
- Publication date Apr 18, 2024
- NITTETSU MINING CO., LTD.
- Yousuke EBISU
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Integrated Pressure Oxidative Leach of Copper Sulphidic Feed with C...
- Publication number 20230076620
- Publication date Mar 9, 2023
- SHERRITT INTERNATIONAL CORPORATION
- Preston Carl HOLLOWAY
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
PEPTIDE BINDING TO ARSENIC-CONTAINING MINERAL AND USE THEREOF
- Publication number 20190345201
- Publication date Nov 14, 2019
- SHIBAURA INSTITUTE OF TECHNOLOGY
- Mitsuo YAMASHITA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR SEPARATION OF AT LEAST ONE METAL SULFIDE FROM A MIXED S...
- Publication number 20190309389
- Publication date Oct 10, 2019
- Goldcorp Inc.
- Marcus Tomlinson
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
DEVICE FOR FRACTIONAL CONDENSATION OF ARSENIC LEAD VAPOR MIXTURE AN...
- Publication number 20190284658
- Publication date Sep 19, 2019
- KUNMING UNIVERSITY OF SCIENCE AND TECHNOLOGY
- Yifu Li
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD AND SYSTEM FOR METAL RECOVERY FROM ARSENICAL BEARING SULFIDE...
- Publication number 20180282839
- Publication date Oct 4, 2018
- Dundee Sustainable Technologies Inc.
- Jean-Marc Lalancette
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD FOR EXTRACTING METALS FROM CONCENTRATED SULPHURATED MINERALS...
- Publication number 20180282837
- Publication date Oct 4, 2018
- Francisco Javier CÁRDENAS ARBIETO
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR REDUCING ARSENIC CONTENT IN ARSENIC-BEARING GOLD MATERIAL
- Publication number 20180258510
- Publication date Sep 13, 2018
- Eldorado Gold Corporation
- Roman BEREZOWSKY
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
PROCESS FOR SEPARATION OF AT LEAST ONE METAL SULFIDE FROM A MIXED S...
- Publication number 20180112288
- Publication date Apr 26, 2018
- Goldcorp Inc.
- Marcus Tomlinson
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
METHOD AND DEVICE FOR PROCESSING FLUE DUST
- Publication number 20180016659
- Publication date Jan 18, 2018
- AURUBIS AG
- Andreas Specht
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
REMOVAL LIQUID AND METHOD FOR REMOVING OXIDE OF GROUP III-V ELEMENT...
- Publication number 20170309492
- Publication date Oct 26, 2017
- FUJIFILM CORPORATION
- Satomi TAKAHASHI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
PURIFICATION OF COPPER CONCENTRATE BY REMOVAL OF ARSENIC AND ANTIMO...
- Publication number 20170145540
- Publication date May 25, 2017
- Alchemides Pty Ltd
- Peter John BARTSCH
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
PROCESS FOR SEPARATION OF AT LEAST ONE METAL SULFIDE FROM A MIXED S...
- Publication number 20160340756
- Publication date Nov 24, 2016
- Goldcorp Inc.
- Marcus Tomlinson
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
METHOD FOR TREATING LEAD ANODE SLIME
- Publication number 20160281193
- Publication date Sep 29, 2016
- OUTOTEC (FINLAND) OY
- Gunnar BERG
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
PROCESS FOR BIO SYNTHESIS OF NANO ARSENIC TRIOXIDE AND ITS USE IN T...
- Publication number 20160271177
- Publication date Sep 22, 2016
- Yogesh Narayan Bendale
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Leaching of Minerals
- Publication number 20160258038
- Publication date Sep 8, 2016
- Michael Matthew Hourn
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR PROCESSING ORGANIC PHASE SUBSTANCE BY USING HALOGEN-CONT...
- Publication number 20150075065
- Publication date Mar 19, 2015
- NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
- Tooru Nakamura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR ARSENIC OXIDATION AND REMOVAL FROM PROCESS AND WASTE SOL...
- Publication number 20140356261
- Publication date Dec 4, 2014
- Yeonuk Choi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
EXTRACTION OF GALLIUM AND/OR ARSENIC FROM GALLIUM ARSENIDE
- Publication number 20140061982
- Publication date Mar 6, 2014
- EMPIRE TECHNOLOGY DEVELOPMENT LLC
- Michael R. SIEVERS
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR TREATING ARSENIC CONTAINING MATERIALS
- Publication number 20140017152
- Publication date Jan 16, 2014
- David Nako
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Fly Ash and Fly Ash Leachate Treatment
- Publication number 20130315804
- Publication date Nov 28, 2013
- FMC Wyoming Corporation
- Aileen Halverson
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD AND DEVICE FOR PROCESSING FLUE DUST
- Publication number 20130047788
- Publication date Feb 28, 2013
- AURUBIS AG
- Andreas Specht
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
EXTRACTION OF GALLIUM AND/OR ARSENIC FROM GALLIUM ARSENIDE
- Publication number 20120260774
- Publication date Oct 18, 2012
- Empire Technology Development, LLC
- Michael R. Sievers
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
SCORODITE-TYPE IRON-ARSENIC COMPOUND PARTICLES, PRODUCTION METHOD T...
- Publication number 20120045382
- Publication date Feb 23, 2012
- Kenichi Inoue
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR REMOVING ARSENIC AS SCORODITE
- Publication number 20110309029
- Publication date Dec 22, 2011
- OUTOTEC OYJ
- Mikko Ruonala
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR SEPARATING ARSENIC MINERAL FROM COPPER-BEARING MATERIAL...
- Publication number 20110094942
- Publication date Apr 28, 2011
- Sumitomo Mining Co., Ltd.
- Daishi Ochi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD OF PROCESSING DIARSENIC TRIOXIDE
- Publication number 20100266484
- Publication date Oct 21, 2010
- Mitsuo Abumiya
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD OF ALKALI PROCESSING SUBSTANCE CONTAINING ARSENIC
- Publication number 20100215570
- Publication date Aug 26, 2010
- DOWA METALS & MINING CO., LTD.
- Mitsuo Abuyima
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Obtaining arsenic

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Integrated pressure oxidative leach of copper sulphidic feed with c...

Peptide binding to arsenic-containing mineral and use thereof

Method for reducing arsenic content in arsenic-bearing gold material

Method of leaching arsenic from ore comprising copper

Removal liquid and method for removing oxide of group III-V element...

Process for separation of antimony and arsenic from a leach solution

Method for removing arsenic from materials containing same

Method for immobilizing arsenic, and arsenic-containing vitrified w...

Purification of copper concentrate by removal of arsenic and antimo...

Stabilization process for an arsenic solution

Leaching of minerals

Method for arsenic oxidation and removal from process and waste sol...

Process for separation of at least one metal sulfide from a mixed s...

Method for treating lead anode slime

Extraction of gallium and/or arsenic from gallium arsenide

Process for recovery of copper from arsenic-bearing and/or antimony...

Method for separating arsenic mineral from copper-bearing material...

Method for removing arsenic as scorodite

Method for treating arsenic containing materials

Extraction of gallium and/or arsenic from gallium arsenide

Arsenic-containing solid and method for producing it

Scorodite-type iron-arsenic compound particles, production method t...

Method of alkali processing substance containing arsenic

Method of processing copper arsenic compound

Method of processing diarsenic trioxide

Method of processing non-ferrous smelting intermediates containing...

Method of processing non-ferrous smelting intermediate containing a...

Method of producing iron-arsenic compound excellent in crystallinity

Method for the recovery of valuable metals and arsenic from a solution

Apparatus and process for extracting arsenic in vacuum

Patents Applicationslast 30 patents

METHOD FOR PREPARING HIGH-PURITY METALLIC ARSENIC FROM ARSENIC-CONT...

RECOVERY METHOD FOR VALUABLE METALS IN COPPER ANODE SLIME

METHOD FOR PRODUCING LOW-ARSENIC COPPER CONCENTRATE

Integrated Pressure Oxidative Leach of Copper Sulphidic Feed with C...

PEPTIDE BINDING TO ARSENIC-CONTAINING MINERAL AND USE THEREOF

PROCESS FOR SEPARATION OF AT LEAST ONE METAL SULFIDE FROM A MIXED S...

DEVICE FOR FRACTIONAL CONDENSATION OF ARSENIC LEAD VAPOR MIXTURE AN...

METHOD AND SYSTEM FOR METAL RECOVERY FROM ARSENICAL BEARING SULFIDE...

METHOD FOR EXTRACTING METALS FROM CONCENTRATED SULPHURATED MINERALS...

METHOD FOR REDUCING ARSENIC CONTENT IN ARSENIC-BEARING GOLD MATERIAL

PROCESS FOR SEPARATION OF AT LEAST ONE METAL SULFIDE FROM A MIXED S...

METHOD AND DEVICE FOR PROCESSING FLUE DUST

REMOVAL LIQUID AND METHOD FOR REMOVING OXIDE OF GROUP III-V ELEMENT...

PURIFICATION OF COPPER CONCENTRATE BY REMOVAL OF ARSENIC AND ANTIMO...

PROCESS FOR SEPARATION OF AT LEAST ONE METAL SULFIDE FROM A MIXED S...

METHOD FOR TREATING LEAD ANODE SLIME

PROCESS FOR BIO SYNTHESIS OF NANO ARSENIC TRIOXIDE AND ITS USE IN T...

Leaching of Minerals

METHOD FOR PROCESSING ORGANIC PHASE SUBSTANCE BY USING HALOGEN-CONT...

METHOD FOR ARSENIC OXIDATION AND REMOVAL FROM PROCESS AND WASTE SOL...

EXTRACTION OF GALLIUM AND/OR ARSENIC FROM GALLIUM ARSENIDE

METHOD FOR TREATING ARSENIC CONTAINING MATERIALS

Fly Ash and Fly Ash Leachate Treatment

METHOD AND DEVICE FOR PROCESSING FLUE DUST

EXTRACTION OF GALLIUM AND/OR ARSENIC FROM GALLIUM ARSENIDE

SCORODITE-TYPE IRON-ARSENIC COMPOUND PARTICLES, PRODUCTION METHOD T...

METHOD FOR REMOVING ARSENIC AS SCORODITE

METHOD FOR SEPARATING ARSENIC MINERAL FROM COPPER-BEARING MATERIAL...

METHOD OF PROCESSING DIARSENIC TRIOXIDE

METHOD OF ALKALI PROCESSING SUBSTANCE CONTAINING ARSENIC