by chemical methods

Industry

CPC
C22B23/0461

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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

C22B23/0461by chemical methods

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Manganese-lithium separation process and pre-extraction solution pr...
- Patent number 12,218,322
- Issue date Feb 4, 2025
- HUNAN JIN YUAN NEW MATERIALS JOINT STOCK COMPANY LIMITED
- Xunbing Liu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method and system for recovering metals from black mass
- Patent number 12,209,028
- Issue date Jan 28, 2025
- Aurubis AG
- Anne-Marie Suriano
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Methods for extracting elements from a solution
- Patent number 12,180,561
- Issue date Dec 31, 2024
- BASF Corporation
- William C. Mays
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for producing aqueous solution containing nickel, cobalt and...
- Patent number 12,163,204
- Issue date Dec 10, 2024
- KOREA ZINC CO., LTD.
- Heon Sik Choi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for extracting lithium from waste lithium battery
- Patent number 12,062,765
- Issue date Aug 13, 2024
- GUANGDONG BRUNP RECYCLING TECHNOLOGY CO., LTD.
- Haijun Yu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for extracting cobalt from a solution comprising, in additi...
- Patent number 12,031,194
- Issue date Jul 9, 2024
- Commissariat a l'Energie Atomique et Aux Energies Alternatives
- David Peralta
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for extracting valuable metal from low-matte nickel converte...
- Patent number 12,018,346
- Issue date Jun 25, 2024
- GUANGDONG BRUNP RECYCLING TECHNOLOGY CO., LTD.
- Haijun Yu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for extracting nickel from high matte nickel leaching residue
- Patent number 12,000,012
- Issue date Jun 4, 2024
- GUANGDONG BRUNP RECYCLING TECHNOLOGY CO, LTD.
- Haijun Yu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for preparing a high-purity hydrated nickel sulphate
- Patent number 11,993,520
- Issue date May 28, 2024
- IGO Limited
- Karel John Osten
- C01 - INORGANIC CHEMISTRY
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
Ferronickel alloy direct refining processes and processes for produ...
- Patent number 11,873,539
- Issue date Jan 16, 2024
- Hatch Ltd.
- Robert John Fraser
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Methods for extracting Li and Ni from a solution
- Patent number 11,713,494
- Issue date Aug 1, 2023
- BASF Corporation
- Jack Bender
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for whole component microwave fast digestion and precious me...
- Patent number 11,661,639
- Issue date May 30, 2023
- Beijing University of Technology
- Yufeng Wu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the recovery of cathode materials in the recycling of b...
- Patent number 11,509,000
- Issue date Nov 22, 2022
- Northvolt AB
- Mahmood Alemrajabi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of inhibiting extractant degradation by controlling extracti...
- Patent number 11,274,047
- Issue date Mar 15, 2022
- KOREA RESOURCES CORPORATION
- Jeon Woong An
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for inhibiting extractant degradation of DSX process through...
- Patent number 11,254,584
- Issue date Feb 22, 2022
- KOREA RESOURCES CORPORATION
- Jeon Woong An
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for inhibiting extractant degradation of DSX process through...
- Patent number 11,203,531
- Issue date Dec 21, 2021
- KOREA RESOURCES CORPORATION
- Jeon Woong An
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Charge material for recycled lithium-ion batteries
- Patent number 11,127,992
- Issue date Sep 21, 2021
- Worcester Polytechnic Institute
- Yan Wang
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
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
Methods for controlling iron via magnetite formation in hydrometall...
- Patent number 10,689,732
- Issue date Jun 23, 2020
- FLSMIDTH A/S
- David John Chaiko
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of ore processing using mixture including acidic leach solut...
- Patent number 10,662,503
- Issue date May 26, 2020
- The University of Queensland
- James Vaughan
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Systems and methods for improved metal recovery using ammonia leaching
- Patent number 10,662,502
- Issue date May 26, 2020
- Freeport Minerals Corporation
- Joanna M Robertson
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Selective regeneration of isotope-specific media resins in systems...
- Patent number 10,480,045
- Issue date Nov 19, 2019
- Kurion, Inc.
- Mark S. Denton
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for producing nickel powder
- Patent number 10,471,514
- Issue date Nov 12, 2019
- KOCHI UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
- Kazumichi Yanagisawa
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Hydrogen reduction of metal sulphate solutions for decreased silico...
- Patent number 10,449,607
- Issue date Oct 22, 2019
- Sherritt International Corporation
- Fu Qin
- B22 - CASTING POWDER METALLURGY
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
Nickel metal nanoparticle synthesis
- Patent number 10,301,340
- Issue date May 28, 2019
- National Technology & Engineering Solutions of Sandia, LLC
- Timothy J. Boyle
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method for simultaneously recovering cobalt and manganese from lith...
- Patent number 10,156,017
- Issue date Dec 18, 2018
- Korea Institute of Geoscience and Mineral Resource (KIGAM)
- Shun-Myung Shin
- 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...

Patents Applicationslast 30 patents

Information Patent Application
A recycling method for recovery of valuable metal elements from pro...
- Publication number 20250007023
- Publication date Jan 2, 2025
- GELION TECHNOLOGIES PTY LTD
- Adam William Deacon
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Process for Recovery of Battery Cathode Metal Oxides And Copper Fro...
- Publication number 20240405304
- Publication date Dec 5, 2024
- INDIAN INSTITUTE OF TECHNOLOGY KHARAGPUR
- Chenna Rao Borra
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHODS OF SEPARATING METALS FROM A LITHIUM-ION BATTERY LEACHATE
- Publication number 20240392409
- Publication date Nov 28, 2024
- Battelle Energy Alliance, LLC
- John R. Klaehn
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR RECOVERING WASTE LITHIUM BATTERY MATERIALS
- Publication number 20240372169
- Publication date Nov 7, 2024
- GUANGDONG BRUNP RECYCLING TECHNOLOGY CO., LTD
- Xingen Chen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR RECOVERING LITHIUM BATTERY POSITIVE ELECTRODE PLATE
- Publication number 20240356099
- Publication date Oct 24, 2024
- GUANGDONG BRUNP RECYCLING TECHNOLOGY CO., LTD
- Shibao Ouyang
- 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
METHODS FOR RECOVERING CRITICAL ELEMENTS FROM LEACH SOLUTIONS
- Publication number 20240344170
- Publication date Oct 17, 2024
- Rick HONAKER
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
A BIO-BASED PROCESS FOR EXTRACTING METALS FROM BATTERIES
- Publication number 20240318277
- Publication date Sep 26, 2024
- BRAIN BIOTECH AG
- Gina DUNLEVY
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR PROCESSING ALLOY
- Publication number 20240318282
- Publication date Sep 26, 2024
- Sumitomo Metal Mining Co., Ltd.
- Hiroshi Takenouchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
A RECYCLING METHOD FOR BATTERY AND CATALYST MATERIALS
- Publication number 20240287646
- Publication date Aug 29, 2024
- GELION TECHNOLOGIES PTY LTD
- Benjamin EADE
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Process for Recycling Battery Materials By Way of Hydrometallurgica...
- Publication number 20240283044
- Publication date Aug 22, 2024
- H. C. Starck Tungsten GmbH
- Juliane Meese-Marktscheffel
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
SELECTIVE PRECIPITATION OF SOLUTES FROM AQUEOUS SOLUTIONS AND RELAT...
- Publication number 20240270612
- Publication date Aug 15, 2024
- Battelle Energy Alliance, LLC
- Caleb C. Stetson
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD AND SYSTEM FOR RECOVERING METALS FROM BLACK MASS
- Publication number 20240270590
- Publication date Aug 15, 2024
- AURUBIS AG
- Anne-Marie SURIANO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
EXTRACTION OF METALS FROM LITHIUM-ION BATTERY MATERIAL
- Publication number 20240274912
- Publication date Aug 15, 2024
- METSO FINLAND OY
- Tuomas VAN DER MEER
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
PRECIPITATION OF METALS
- Publication number 20240263273
- Publication date Aug 8, 2024
- Pure Battery Technologies Pty Ltd
- William HAWKER
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHODS OF PURIFYING AND PRECIPITATING MATERIALS FROM BATTERIES FOR...
- Publication number 20240250327
- Publication date Jul 25, 2024
- Redwood Materials, Inc.
- Paul Voigt
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR PRODUCING AQUEOUS SOLUTION CONTAINING NICKEL, COBALT AND...
- Publication number 20240240279
- Publication date Jul 18, 2024
- KOREA ZINC CO., LTD.
- Heon Sik CHOI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Method for dissolving a positive electrode material
- Publication number 20240183005
- Publication date Jun 6, 2024
- Commissariat A L'Energie Atomique et Aux Energies Alternatives
- Emmanuel Billy
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD FOR RECOVERING NICKEL FROM IRON-ALUMINUM SLAG OBTAINED BY BA...
- Publication number 20240124953
- Publication date Apr 18, 2024
- GUANGDONG BRUNP RECYCLING TECHNOLOGY CO., LTD
- Haijun YU
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD FOR EXTRACTING LITHIUM FROM WASTE LITHIUM BATTERY
- Publication number 20240088468
- Publication date Mar 14, 2024
- GUANGDONG BRUNP RECYCLING TECHNOLOGY CO., LTD
- Haijun YU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR EXTRACTING NICKEL FROM HIGH MATTE NICKEL LEACHING RESIDUE
- Publication number 20240084421
- Publication date Mar 14, 2024
- GUANGDONG BRUNP RECYCLING TECHNOLOGY CO., LTD
- Haijun YU
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
RECOVERY OF METALS
- Publication number 20240055683
- Publication date Feb 15, 2024
- Renewable Metals Company Pty Ltd
- Mark Daniel Urbani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR EXTRACTING VALUABLE METAL FROM LOW-MATTE NICKEL CONVERTE...
- Publication number 20240035116
- Publication date Feb 1, 2024
- GUANGDONG BRUNP RECYCLING TECHNOLOGY CO., LTD
- Haijun YU
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
RECOVERY OF METALS FROM LITHIUM-ION BATTERIES
- Publication number 20240006677
- Publication date Jan 4, 2024
- REDIVIVUS, INC.
- Alejandro F. GRAF
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Application
PROCESS FOR RECOVERY OF METALS AND CARBON POWDER FROM SPENT LITHIUM...
- Publication number 20230411721
- Publication date Dec 21, 2023
- HYDROMET TECHNOLOGY SOLUTIONS PRIVATE LIMITED
- Navin MITTAL
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
CONCERTED MINERAL CARBONATION AND SELECTIVE LEACHING OF LATERITES
- Publication number 20230407436
- Publication date Dec 21, 2023
- The University of British Columbia
- David DREISINGER
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
STREAMLINED LITHIUM-ION BATTERY WASTE RECYCLING
- Publication number 20230387490
- Publication date Nov 30, 2023
- II-VI Delaware, Inc.
- Ghazaleh NAZARI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHODS FOR IMPURITY REMOVAL AND TREATMENT IN RECYCLING PROCESS OF...
- Publication number 20230352756
- Publication date Nov 2, 2023
- SICHUAN ENERGY INTERNET RESEARCH INSTITUTE, TSINGHUA UNIVERSITY
- Joey Chung-Yen JUNG
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR RECOVERING AND PURIFYING NICKEL FROM FERRONICKEL
- Publication number 20230332268
- Publication date Oct 19, 2023
- GUANGDONG BRUNP RECYCLING TECHNOLOGY CO., LTD.
- Haijun Yu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR SEPARATING AND RECOVERING VALUABLE METALS FROM WASTE TER...
- Publication number 20230335818
- Publication date Oct 19, 2023
- GUANGDONG BRUNP RECYCLING TECHNOLOGY CO., LTD.
- Yinghao Xie
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

by chemical methods

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Manganese-lithium separation process and pre-extraction solution pr...

Method and system for recovering metals from black mass

Methods for extracting elements from a solution

Method for producing aqueous solution containing nickel, cobalt and...

Method for extracting lithium from waste lithium battery

Process for extracting cobalt from a solution comprising, in additi...

Method for extracting valuable metal from low-matte nickel converte...

Method for extracting nickel from high matte nickel leaching residue

Method for preparing a high-purity hydrated nickel sulphate

Method for producing aqueous solution containing nickel or cobalt

Ferronickel alloy direct refining processes and processes for produ...

Methods for extracting Li and Ni from a solution

Method for whole component microwave fast digestion and precious me...

Process for the recovery of cathode materials in the recycling of b...

Method of inhibiting extractant degradation by controlling extracti...

Method for inhibiting extractant degradation of DSX process through...

Method for inhibiting extractant degradation of DSX process through...

Charge material for recycled lithium-ion batteries

Processing method for lithium ion battery scrap

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

Methods for controlling iron via magnetite formation in hydrometall...

Method of ore processing using mixture including acidic leach solut...

Systems and methods for improved metal recovery using ammonia leaching

Selective regeneration of isotope-specific media resins in systems...

Method for producing nickel powder

Hydrogen reduction of metal sulphate solutions for decreased silico...

Nickel recovery process

Nickel metal nanoparticle synthesis

Method for simultaneously recovering cobalt and manganese from lith...

Method for producing nickel powder

Patents Applicationslast 30 patents

A recycling method for recovery of valuable metal elements from pro...

Process for Recovery of Battery Cathode Metal Oxides And Copper Fro...

METHODS OF SEPARATING METALS FROM A LITHIUM-ION BATTERY LEACHATE

METHOD FOR RECOVERING WASTE LITHIUM BATTERY MATERIALS

METHOD FOR RECOVERING LITHIUM BATTERY POSITIVE ELECTRODE PLATE

METHOD OF LEACHING METAL-CONTAINING MATERIALS

METHODS FOR RECOVERING CRITICAL ELEMENTS FROM LEACH SOLUTIONS

A BIO-BASED PROCESS FOR EXTRACTING METALS FROM BATTERIES

METHOD FOR PROCESSING ALLOY

A RECYCLING METHOD FOR BATTERY AND CATALYST MATERIALS

Process for Recycling Battery Materials By Way of Hydrometallurgica...

SELECTIVE PRECIPITATION OF SOLUTES FROM AQUEOUS SOLUTIONS AND RELAT...

METHOD AND SYSTEM FOR RECOVERING METALS FROM BLACK MASS

EXTRACTION OF METALS FROM LITHIUM-ION BATTERY MATERIAL

PRECIPITATION OF METALS

METHODS OF PURIFYING AND PRECIPITATING MATERIALS FROM BATTERIES FOR...

METHOD FOR PRODUCING AQUEOUS SOLUTION CONTAINING NICKEL, COBALT AND...

Method for dissolving a positive electrode material

METHOD FOR RECOVERING NICKEL FROM IRON-ALUMINUM SLAG OBTAINED BY BA...

METHOD FOR EXTRACTING LITHIUM FROM WASTE LITHIUM BATTERY

METHOD FOR EXTRACTING NICKEL FROM HIGH MATTE NICKEL LEACHING RESIDUE

RECOVERY OF METALS

METHOD FOR EXTRACTING VALUABLE METAL FROM LOW-MATTE NICKEL CONVERTE...

RECOVERY OF METALS FROM LITHIUM-ION BATTERIES

PROCESS FOR RECOVERY OF METALS AND CARBON POWDER FROM SPENT LITHIUM...

CONCERTED MINERAL CARBONATION AND SELECTIVE LEACHING OF LATERITES

STREAMLINED LITHIUM-ION BATTERY WASTE RECYCLING

METHODS FOR IMPURITY REMOVAL AND TREATMENT IN RECYCLING PROCESS OF...

METHOD FOR RECOVERING AND PURIFYING NICKEL FROM FERRONICKEL

METHOD FOR SEPARATING AND RECOVERING VALUABLE METALS FROM WASTE TER...