Leaching processes

Industry

CPC
C22B23/0407

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Parent Industries

CCHEMISTRY METALLURGY C22Metallurgy C22BPRODUCTION AND REFINING OF METALS PRETREATMENT OF RAW MATERIALS C22B23/00Obtaining nickel or cobalt

Current Industry

C22B23/0407Leaching processes

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Method for recycling lithium batteries
- Patent number 12,018,350
- Issue date Jun 25, 2024
- DUSENFELD GMBH
- Christian Hanisch
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Environmentally-friendly compositions and methods for extracting mi...
- Patent number 12,000,016
- Issue date Jun 4, 2024
- LOCUS SOLUTIONS IPCO, LLC
- Sean Farmer
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for producing aqueous solution containing nickel or cobalt
- Patent number 11,926,882
- Issue date Mar 12, 2024
- KOREA ZINC CO., LTD.
- Heon Sik Choi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Processing of laterite ores
- Patent number 11,286,541
- Issue date Mar 29, 2022
- ANGLO AMERICAN TECHNICAL & SUSTAINABILTY SERVICES, LTD.
- Anthony Owen Filmer
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Plant and method for recovering metals and/or metal oxides from ind...
- Patent number 11,199,360
- Issue date Dec 14, 2021
- Saipem S.p.A.
- Rosario Galati
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Processing method for lithium ion battery scrap
- Patent number 10,865,462
- Issue date Dec 15, 2020
- JX Nippon Mining & Metals Corporation
- Junichi Ito
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Polycrystalline diamond compacts having interstitial diamond grains...
- Patent number 10,829,999
- Issue date Nov 10, 2020
- Diamond Innovations, Inc.
- Andrew Gledhill
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Processing method for lithium ion battery scrap
- Patent number 10,807,879
- Issue date Oct 20, 2020
- JX Nippon Mining & Metals Corporation
- Junichi Ito
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
System and method for parallel solution extraction of one or more m...
- Patent number 10,793,958
- Issue date Oct 6, 2020
- Freeport Minerals Corporation
- Anand Raman
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of recovering base metals from low grade ores and residues
- Patent number 10,724,117
- Issue date Jul 28, 2020
- SIRCH GROUP (PTY) LTD.
- Nicholas Conradie
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Mineral ore slurry pretreatment method, and method for manufacturin...
- Patent number 10,626,481
- Issue date Apr 21, 2020
- Sumitomo Metal Mining Co., Ltd.
- Hirotaka Higuchi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
System and method for above-atmospheric leaching of metal sulfides
- Patent number 10,526,681
- Issue date Jan 7, 2020
- FLSmidth A/S
- David J. Chaiko
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Nickel recovery process
- Patent number 10,344,354
- Issue date Jul 9, 2019
- Sumitomo Metal Mining Co., Ltd.
- Hirofumi Shoji
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Process for recovering value metals from ore
- Patent number 10,124,346
- Issue date Nov 13, 2018
- ANGLO AMERICAN SERVICES (UK) LTD.
- Anthony Owen Filmer
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for producing nickel powder
- Patent number 10,118,224
- Issue date Nov 6, 2018
- KOCHI UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
- Kazumichi Yanagisawa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
System and method for parallel solution extraction of one or more m...
- Patent number 10,036,096
- Issue date Jul 31, 2018
- Freeport Minerals Corporation
- Anand Raman
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for producing hematite for ironmaking
- Patent number 9,914,648
- Issue date Mar 13, 2018
- Sumitomo Metal Mining Co., Ltd.
- Go Ohara
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
System and method for parallel solution extraction of one or more m...
- Patent number 9,856,570
- Issue date Jan 2, 2018
- Freeport Minerals Corporation
- Anand Raman
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for shortening operation shutdown time of high pressure acid...
- Patent number 9,719,153
- Issue date Aug 1, 2017
- Sumitomo Metal Mining Co., Ltd.
- Keisuke Shibayama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Ore slurry production method and metal refining method
- Patent number 9,410,226
- Issue date Aug 9, 2016
- Sumitomo Metal Mining Co., Ltd.
- Hiroyuki Mitsui
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Method for recovering valuable material from lithium-ion secondary...
- Patent number 9,359,659
- Issue date Jun 7, 2016
- Dowa Eco-System Co., Ltd.
- Koji Fujita
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
System and method for extracting base metal values from oxide ores
- Patent number 8,961,649
- Issue date Feb 24, 2015
- Vale Canada Limited
- Antonio Clareti Pereira
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Hydrometallurgical plant of nickel laterite ore and operation metho...
- Patent number 8,911,531
- Issue date Dec 16, 2014
- Sumitomo Metal Mining Co., Ltd.
- Osamu Nakai
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Laterite heap leaching with ferrous lixiviants
- Patent number 8,197,575
- Issue date Jun 12, 2012
- BHP Billiton SSM Development Pty Ltd.
- Adam Sean Moroney
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process of recovery of base metals from oxide ores
- Patent number 8,173,086
- Issue date May 8, 2012
- Vale S.A.
- Antonio Clareti Pereira
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for extraction of nickel, cobalt, and other base metals fro...
- Patent number 7,964,016
- Issue date Jun 21, 2011
- Companhia Vale Do Rio Doce
- Geysa Santos de Pontes Pereira
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Pressure leaching system and method
- Patent number 7,718,148
- Issue date May 18, 2010
- Exergen Pty Ltd
- Donald James Nicklin
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Exothermic pressure leach autoclave circuits
- Patent number 7,635,407
- Issue date Dec 22, 2009
- Grenvil Marquis Dunn
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for obtaining cobalt and nickel from ores and ore concentrates
- Patent number 7,416,712
- Issue date Aug 26, 2008
- Alexander Beckmann
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for leaching nickel-copper matte employing substantially neu...
- Patent number 5,628,817
- Issue date May 13, 1997
- Outokumpu Engineering Contractors Oy
- Sigmund Fugleberg
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
CARBON DIOXIDE BASED MINING FOR CARBON NEGATIVE MINERAL RECOVERY
- Publication number 20240410032
- Publication date Dec 12, 2024
- Battelle Memorial Institute
- Herbert T. Schaef
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD OF LEACHING METAL-CONTAINING MATERIALS
- Publication number 20240352553
- Publication date Oct 24, 2024
- Arizona Board of Regents on behalf of The University of Arizona
- Jaeheon Lee
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Environmentally-Friendly Compositions and Methods for Extracting Mi...
- Publication number 20240318278
- Publication date Sep 26, 2024
- Locus Solutions IPCo, LLC
- Sean FARMER
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
SYSTEM FOR RECOVERING VALUABLE MATERIAL FROM CRUCIBLE USED IN PRODU...
- Publication number 20240287647
- Publication date Aug 29, 2024
- ECOPRO MATERIALS CO., LTD
- DONG HEE KIM
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
ARRANGEMENT AND METHOD FOR AIR-INDUCED EVAPORATION AND COOLING
- Publication number 20240287641
- Publication date Aug 29, 2024
- METSO FINLAND OY
- Marika TIIHONEN
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR RECYCLING LITHIUM BATTERIES
- Publication number 20240218481
- Publication date Jul 4, 2024
- DUSENFELD GMBH
- Christian HANISCH
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
A METHOD FOR RECYCLING OF USED SCRAP LITHIUM BATTERY
- Publication number 20240194961
- Publication date Jun 13, 2024
- BATX ENERGIES PVT LTD
- Vikrant Singh
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
LEACHING AGENT COMPOSITION AND METHOD OF REMOVING METAL FROM CATALY...
- Publication number 20240175105
- Publication date May 30, 2024
- Saudi Arabian Oil Company
- Omer Refa Koseoglu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
AUTOCLAVE AND PRESSURE OXIDATION METHOD
- Publication number 20240110258
- Publication date Apr 4, 2024
- Metso Outotec Finland Oy
- Marko Latva-Kokko
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR RECYCLING HYDROPHOBIC DEEP EUTECTIC SOLVENT AND NICKEL L...
- Publication number 20240076548
- Publication date Mar 7, 2024
- Prime Planet Energy & Solutions, Inc.
- Yuji YAMAMOTO
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR RECOVERING ACTIVE METAL OF LITHIUM SECONDARY BATTERY
- Publication number 20230307734
- Publication date Sep 28, 2023
- SK INNOVATION CO., LTD.
- Hyeon Bae HA
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD OF SEPARATING AND RECOVERING COBALT SALT AND NICKEL SALT
- Publication number 20230219040
- Publication date Jul 13, 2023
- TORAY INDUSTRIES, INC.
- Tomoya Yoshizaki
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD FOR TREATING ALLOY
- Publication number 20230071697
- Publication date Mar 9, 2023
- Sumitomo Metal Mining Co., Ltd.
- Hiroshi Takenouchi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR PROCESSING COPPER AND NICKEL SULFIDE MATERIALS
- Publication number 20220243302
- Publication date Aug 4, 2022
- PUBLIC JOINT STOCK COMPANY "MINING AND METALLURGICAL COMPANY "NORILSK NICKEL"
- Boris Eduardovich ZATITSKY
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR RECYCLING LITHIUM BATTERIES
- Publication number 20210032721
- Publication date Feb 4, 2021
- DUSENFELD GMBH
- Christian HANISCH
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR PRODUCING NICKEL POWDER
- Publication number 20200376564
- Publication date Dec 3, 2020
- Sumitomo Metal Mining Co., Ltd.
- Shin-ichi Heguri
- B22 - CASTING POWDER METALLURGY
Information Patent Application
Environmentally-Friendly Compositions and Methods for Extracting Mi...
- Publication number 20200340076
- Publication date Oct 29, 2020
- LOCUS IP COMPANY, LLC
- Sean FARMER
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Method for decomposition of the metallorganic matter of graptolite-...
- Publication number 20200157577
- Publication date May 21, 2020
- BiotaTec OÜ
- Anne MENERT
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
PROCESSING OF LATERITE ORES
- Publication number 20190390300
- Publication date Dec 26, 2019
- ANGLO AMERICAN SERVICES (UK) LTD
- Anthony Owen FILMER
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
SYSTEM AND METHOD FOR ABOVE-ATMOSPHERIC LEACHING OF METAL SULFIDES
- Publication number 20190100823
- Publication date Apr 4, 2019
- FLSMIDTH A/S
- David J. Chaiko
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
SYSTEM AND METHOD FOR PARALLEL SOLUTION EXTRACTION OF ONE OR MORE M...
- Publication number 20180305832
- Publication date Oct 25, 2018
- Freeport Minerals Corporation
- Anand Raman
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
PLANT AND METHOD FOR RECOVERING METALS AND/OR METAL OXIDES FROM IND...
- Publication number 20180017327
- Publication date Jan 18, 2018
- SAIPEM S.P.A.
- Rosario GALATI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
NICKEL RECOVERY PROCESS
- Publication number 20170240994
- Publication date Aug 24, 2017
- Sumitomo Metal Mining Co., Ltd.
- Hirofumi SHOJI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
POLYCRYSTALLINE DIAMOND COMPACTS HAVING INTERSTITIAL DIAMOND GRAIN...
- Publication number 20170234077
- Publication date Aug 17, 2017
- DIAMOND INNOVATIONS, INC.
- Andrew GLEDHILL
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
BIOLEACHING METHOD AND FACILITY
- Publication number 20170175223
- Publication date Jun 22, 2017
- L'air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation Des Procedes Ge...
- Anne-Gwénaëlle GUEZENNEC
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR PRODUCING NICKEL POWDER
- Publication number 20170008083
- Publication date Jan 12, 2017
- KOCHI UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
- Kazumichi Yanagisawa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
SYSTEM AND METHOD FOR PARALLEL SOLULTION EXTRACTION OF ONE OR MORE...
- Publication number 20160355937
- Publication date Dec 8, 2016
- Freeport Minerals Corporation
- Anand Raman
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
PROCESS FOR RECOVERING VALUE METALS FROM ORE
- Publication number 20160310956
- Publication date Oct 27, 2016
- ANGLO AMERICAN SERVICES UK LIMITED
- Anthony Owen FILMER
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Application
A METHOD OF ADAPTATION OF A BACTERIAL CULTURE AND LEACHING PROCESS
- Publication number 20150322541
- Publication date Nov 12, 2015
- BIOHEAP Limited
- Jason Alexander FEWINGS
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
SETTLING SEPARATION PROCESS FOR NUETRALIZED SLURRY AND HYDROMETALL...
- Publication number 20150315671
- Publication date Nov 5, 2015
- Sumitomo Metal Mining Co., Ltd.
- Hirofumi SHOJI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Leaching processes

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method for recycling lithium batteries

Environmentally-friendly compositions and methods for extracting mi...

Method for producing aqueous solution containing nickel or cobalt

Processing of laterite ores

Plant and method for recovering metals and/or metal oxides from ind...

Processing method for lithium ion battery scrap

Polycrystalline diamond compacts having interstitial diamond grains...

Processing method for lithium ion battery scrap

System and method for parallel solution extraction of one or more m...

Method of recovering base metals from low grade ores and residues

Mineral ore slurry pretreatment method, and method for manufacturin...

System and method for above-atmospheric leaching of metal sulfides

Nickel recovery process

Process for recovering value metals from ore

Method for producing nickel powder

System and method for parallel solution extraction of one or more m...

Process for producing hematite for ironmaking

System and method for parallel solution extraction of one or more m...

Method for shortening operation shutdown time of high pressure acid...

Ore slurry production method and metal refining method

Method for recovering valuable material from lithium-ion secondary...

System and method for extracting base metal values from oxide ores

Hydrometallurgical plant of nickel laterite ore and operation metho...

Laterite heap leaching with ferrous lixiviants

Process of recovery of base metals from oxide ores

Process for extraction of nickel, cobalt, and other base metals fro...

Pressure leaching system and method

Exothermic pressure leach autoclave circuits

Method for obtaining cobalt and nickel from ores and ore concentrates

Method for leaching nickel-copper matte employing substantially neu...

Patents Applicationslast 30 patents

CARBON DIOXIDE BASED MINING FOR CARBON NEGATIVE MINERAL RECOVERY

METHOD OF LEACHING METAL-CONTAINING MATERIALS

Environmentally-Friendly Compositions and Methods for Extracting Mi...

SYSTEM FOR RECOVERING VALUABLE MATERIAL FROM CRUCIBLE USED IN PRODU...

ARRANGEMENT AND METHOD FOR AIR-INDUCED EVAPORATION AND COOLING

METHOD FOR RECYCLING LITHIUM BATTERIES

A METHOD FOR RECYCLING OF USED SCRAP LITHIUM BATTERY

LEACHING AGENT COMPOSITION AND METHOD OF REMOVING METAL FROM CATALY...

AUTOCLAVE AND PRESSURE OXIDATION METHOD

METHOD FOR RECYCLING HYDROPHOBIC DEEP EUTECTIC SOLVENT AND NICKEL L...

METHOD FOR RECOVERING ACTIVE METAL OF LITHIUM SECONDARY BATTERY

METHOD OF SEPARATING AND RECOVERING COBALT SALT AND NICKEL SALT

METHOD FOR TREATING ALLOY

METHOD FOR PROCESSING COPPER AND NICKEL SULFIDE MATERIALS

METHOD FOR RECYCLING LITHIUM BATTERIES

METHOD FOR PRODUCING NICKEL POWDER

Environmentally-Friendly Compositions and Methods for Extracting Mi...

Method for decomposition of the metallorganic matter of graptolite-...

PROCESSING OF LATERITE ORES

SYSTEM AND METHOD FOR ABOVE-ATMOSPHERIC LEACHING OF METAL SULFIDES

SYSTEM AND METHOD FOR PARALLEL SOLUTION EXTRACTION OF ONE OR MORE M...

PLANT AND METHOD FOR RECOVERING METALS AND/OR METAL OXIDES FROM IND...

NICKEL RECOVERY PROCESS

POLYCRYSTALLINE DIAMOND COMPACTS HAVING INTERSTITIAL DIAMOND GRAIN...

BIOLEACHING METHOD AND FACILITY

METHOD FOR PRODUCING NICKEL POWDER

SYSTEM AND METHOD FOR PARALLEL SOLULTION EXTRACTION OF ONE OR MORE...

PROCESS FOR RECOVERING VALUE METALS FROM ORE

A METHOD OF ADAPTATION OF A BACTERIAL CULTURE AND LEACHING PROCESS

SETTLING SEPARATION PROCESS FOR NUETRALIZED SLURRY AND HYDROMETALL...