by chemical processes

Industry

CPC
C22B3/44

This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

CCHEMISTRY METALLURGY C22Metallurgy C22BPRODUCTION AND REFINING OF METALS PRETREATMENT OF RAW MATERIALS C22B3/00Extraction of metal compounds from ores or concentrates by wet processes

Current Industry

C22B3/44by chemical processes

Industries

Please log in for detailed analytics

Patents Grantslast 30 patents

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
Method of extracting lithium compound(s)
- Patent number 12,180,082
- Issue date Dec 31, 2024
- Outotec (Finland) Oy
- Marika Tiihonen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the recovery of metals from polymetallic nodules
- Patent number 12,168,812
- Issue date Dec 17, 2024
- Umicore
- Michel Daniels
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Processes for preparing lithium carbonate
- Patent number 12,168,811
- Issue date Dec 17, 2024
- NEMASKA LITHIUM INC.
- Guy Bourassa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recovery of PGMs and chromite from mixed PGM/CR ores
- Patent number 12,163,205
- Issue date Dec 10, 2024
- ANGLO AMERICAN TECHNICAL & SUSTAINABILITY SERVICES LTD
- Anthony Owen Filmer
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the recovery of lithium and transition metal using heat
- Patent number 12,152,287
- Issue date Nov 26, 2024
- BASF SE
- Wolfgang Rohde
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for purifying and concentrating rare earths from phosphogypsum
- Patent number 12,139,775
- Issue date Nov 12, 2024
- OCP SA
- Hamid Mazouz
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for dissolving lithium compound, method for manufacturing li...
- Patent number 12,123,074
- Issue date Oct 22, 2024
- JX METALS CIRCULAR SOLUTIONS CO., LTD.
- Hirotaka Ariyoshi
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Grant
Opportunities for recovery augmentation process as applied to molyb...
- Patent number 12,123,075
- Issue date Oct 22, 2024
- CiDRA Corporate Services Inc.
- Paul J. Rothman
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Agents for use in hydrometallurgical process streams
- Patent number 12,098,085
- Issue date Sep 24, 2024
- INDORAMA VENTURES OXIDES AUSTRALIA PTY LIMITED
- Ken Deutscher
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Devices for efficient sorbent utilization in lithium extraction
- Patent number 12,076,662
- Issue date Sep 3, 2024
- LILAC SOLUTIONS, INC.
- Nicolás Andrés Grosso Giordano
- 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
Recovery of lithium hydroxide
- Patent number 12,030,784
- Issue date Jul 9, 2024
- Bright Minz Pty Ltd
- Mark Daniel Urbani
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Devices for efficient sorbent utilization in lithium extraction
- Patent number 12,023,602
- Issue date Jul 2, 2024
- LILAC SOLUTIONS, INC.
- Nicolás Andrés Grosso Giordano
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Systems and methods for recovering lithium from brines
- Patent number 12,018,347
- Issue date Jun 25, 2024
- Energy Exploration Technologies, Inc.
- Amit Patwardhan
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Leaching method of scheelite
- Patent number 11,999,626
- Issue date Jun 4, 2024
- Chongyi Zhangyuan Tungsten Co., Ltd
- Guozuan Xu
- 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
Caustic conversion process
- Patent number 12,000,013
- Issue date Jun 4, 2024
- Australian Nuclear Science & Technology Organisation
- Andrew Napier
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for separating copper from nickel and cobalt
- Patent number 12,000,018
- Issue date Jun 4, 2024
- Sumitomo Metal Mining Co., Ltd.
- Tatsuya Higaki
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for purifying nickel-cobalt-manganese leaching solution
- Patent number 11,981,976
- Issue date May 14, 2024
- GUANGDONG BRUNP RECYCLING TECHNOLOGY CO., LTD.
- Ran He
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Lithium ion battery scrap treatment method
- Patent number 11,961,980
- Issue date Apr 16, 2024
- JX Metals Corporation
- Junichi Arakawa
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Grant
Method for clean metallurgy of molybdenum
- Patent number 11,959,152
- Issue date Apr 16, 2024
- Central South University
- Zhongwei Zhao
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for obtaining vanadium oxide from a gasifier slag field
- Patent number 11,945,728
- Issue date Apr 2, 2024
- Reliance Industries Limited
- Sateesh Daggupati
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
System and method including multi-circuit solution extraction for r...
- Patent number 11,932,919
- Issue date Mar 19, 2024
- Freeport Minerals Corporation
- Jason M Morgan
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Alkaline solution method for recovering rare earth elements
- Patent number 11,905,573
- Issue date Feb 20, 2024
- Mark Berggren
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Preparation of rare earth metals and other chemicals from industria...
- Patent number 11,866,804
- Issue date Jan 9, 2024
- Purdue Research Foundation
- Nien-Hwa Linda Wang
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the recovery of rare earths
- Patent number 11,858,824
- Issue date Jan 2, 2024
- Arafura Resources Limited
- Alexander Dean Elliot
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for recovering valuable elements from precombustion coal-bas...
- Patent number 11,821,054
- Issue date Nov 21, 2023
- University of Kentucky Research Foundation
- Rick Honaker
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Methods for simultaneous leaching and extraction of precious metals
- Patent number 11,814,698
- Issue date Nov 14, 2023
- EXCIR WORKS CORP.
- Stephen Foley
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Precious metals recovery
- Patent number 11,788,170
- Issue date Oct 17, 2023
- Stillwater Mining Company
- Dave Shuck
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
TERNARY POSITIVE ACTIVE ELECTRODE LEACHING
- Publication number 20250070292
- Publication date Feb 27, 2025
- Ascend Elements, Inc.
- Kee-Chan Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LITHIUM-ION BATTERY RECYCLING METHOD
- Publication number 20250070296
- Publication date Feb 27, 2025
- NOVOCYCLE TEKNOLOJI SANAYI TICARET ANONIM SIRKETI
- Fatih Bosna
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ALL-IN-ONE NICKEL RECOVERING METHOD FOR NICKEL METAL RECOVERY FROM...
- Publication number 20250066878
- Publication date Feb 27, 2025
- KOREA ZINC CO., LTD.
- Heon Sik CHOI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
PROCESSES AND SYSTEMS FOR PURIFYING INDEPENDENT STREAMS OF MANGANES...
- Publication number 20250070293
- Publication date Feb 27, 2025
- GREEN LI-ION PTE. LTD.
- Reza KATAL
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ALL-IN-ONE NICKEL RECOVERING METHOD FOR NICKEL RECOVERY FROM RAW MA...
- Publication number 20250066875
- Publication date Feb 27, 2025
- KOREA ZINC CO., LTD.
- Heon Sik CHOI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
ALL-IN-ONE NICKEL RECOVERING METHOD FOR RECOVERY OF NICKEL OXIDE FR...
- Publication number 20250066876
- Publication date Feb 27, 2025
- KOREA ZINC CO., LTD.
- Heon Sik CHOI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
ALL-IN-ONE NICKEL RECOVERING METHOD FOR NICKEL HYDROXIDE RECOVERY F...
- Publication number 20250066877
- Publication date Feb 27, 2025
- 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 EXTRACTING LITHIUM FROM CLAY AND OTHER MATERIALS IN A CH...
- Publication number 20250059625
- Publication date Feb 20, 2025
- Cypress Holdings (Nevada), Ltd.
- Todd S. Fayram
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD FOR RECOVERING METALS FROM LITHIUM ION BATTERY WASTE
- Publication number 20250043386
- Publication date Feb 6, 2025
- JX Metals Corporation
- Hirotaka ARIYOSHI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR MANUFACTURING BATTERY MATERIAL
- Publication number 20250046900
- Publication date Feb 6, 2025
- Prime Planet Energy & Solutions, Inc.
- Shinya SUZUKI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR RECOVERING VALUABLE MATERIALS FROM BATTERIES
- Publication number 20250030074
- Publication date Jan 23, 2025
- University of Kentucky Research Foundation
- Joshua Werner
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
RECOVERY METHOD OF VALUABLE METAL IN POSITIVE ELECTRODE SHEET OF LI...
- Publication number 20250007025
- Publication date Jan 2, 2025
- GUANGDONG BRUNP RECYCLING TECHNOLOGY CO., LTD
- Shibao Ouyang
- C01 - INORGANIC CHEMISTRY
Information Patent Application
A GREEN PROCESS FOR THE EXTRACTION OF LANTHANIDE ELEMENTS
- Publication number 20240417826
- Publication date Dec 19, 2024
- Commissariat A L'Energie Atomique et Aux Energies Alternatives
- Thomas ZEMB
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
PROCESS AND SYSTEM FOR LITHIUM PRODUCTION
- Publication number 20240409425
- Publication date Dec 12, 2024
- ICSIP PTY LTD
- Richard James HUNWICK
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD OF RECOVERING TRANSITION METAL FROM LITHIUM SECONDARY BATTERY
- Publication number 20240413419
- Publication date Dec 12, 2024
- SK INNOVATION CO., LTD.
- Su Min YOO
- 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
NON-TOXIC AND ENVIRONMENTALLY FRIENDLY METHOD OF RECYCLING ACID MIN...
- Publication number 20240384367
- Publication date Nov 21, 2024
- Materia USA LLC
- YEHUDIS GOTTESFELD
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
HYDROMETALLURGICAL TREATMENT OF ORES OR CONCENTRATES FOR REMOVAL OF...
- Publication number 20240376566
- Publication date Nov 14, 2024
- Hatch Ltd.
- Brady Haneman
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
EFFICIENT RARE EARTH AND CRITICAL MATERIAL RECOVERY FROM RARE EARTH...
- Publication number 20240376568
- Publication date Nov 14, 2024
- Battelle Memorial Institute
- Morgan V. EVANS
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR REMOVING CHLORINE IN ZINC HYDROMETALLURGY
- Publication number 20240376565
- Publication date Nov 14, 2024
- KOREA ZINC CO., LTD.
- Min Cheol KIM
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
PRECIOUS METALS RECOVERY
- Publication number 20240376567
- Publication date Nov 14, 2024
- STILLWATER MINING COMPANY
- Dave Shuck
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR LEACHING COPPER USING PRESSURE LEACHING TECHNIQUE
- Publication number 20240368730
- Publication date Nov 7, 2024
- KOREA ZINC CO., LTD.
- Heon Sik CHOI
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD OF SELECTIVE PRECIPITATION OF METALS USING AMIDE COMPOUNDS
- Publication number 20240368727
- Publication date Nov 7, 2024
- THE UNIVERSITY COURT OF THE UNIVERSITY OF EDINBURGH
- Jason Love
- 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 VALUABLE METALS FROM SPENT CATALYSTS
- Publication number 20240368733
- Publication date Nov 7, 2024
- O Hak KWON
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR RECOVERING MAGNESIUM BY USING SEDIMENT AND SULFURIC ACID...
- Publication number 20240360536
- Publication date Oct 31, 2024
- KNU-INDUSTRY COOPERATION FOUNDATION
- Kangmin CHON
- C01 - INORGANIC CHEMISTRY
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
CRYSTALLIZATION PROCESS FOR THE SEPARATION OF METALS
- Publication number 20240356097
- Publication date Oct 24, 2024
- Umicore
- Pieter VERHEES
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR RECYCLING AN LED
- Publication number 20240343969
- Publication date Oct 17, 2024
- Paris Sciences et Lettres
- Moheddine WEHBIE
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

by chemical processes

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method and system for recovering metals from black mass

Method of extracting lithium compound(s)

Process for the recovery of metals from polymetallic nodules

Processes for preparing lithium carbonate

Recovery of PGMs and chromite from mixed PGM/CR ores

Process for the recovery of lithium and transition metal using heat

Process for purifying and concentrating rare earths from phosphogypsum

Method for dissolving lithium compound, method for manufacturing li...

Opportunities for recovery augmentation process as applied to molyb...

Agents for use in hydrometallurgical process streams

Devices for efficient sorbent utilization in lithium extraction

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

Recovery of lithium hydroxide

Devices for efficient sorbent utilization in lithium extraction

Systems and methods for recovering lithium from brines

Leaching method of scheelite

Method for extracting nickel from high matte nickel leaching residue

Caustic conversion process

Method for separating copper from nickel and cobalt

Method for purifying nickel-cobalt-manganese leaching solution

Lithium ion battery scrap treatment method

Method for clean metallurgy of molybdenum

Process for obtaining vanadium oxide from a gasifier slag field

System and method including multi-circuit solution extraction for r...

Alkaline solution method for recovering rare earth elements

Preparation of rare earth metals and other chemicals from industria...

Process for the recovery of rare earths

Method for recovering valuable elements from precombustion coal-bas...

Methods for simultaneous leaching and extraction of precious metals

Precious metals recovery

Patents Applicationslast 30 patents

TERNARY POSITIVE ACTIVE ELECTRODE LEACHING

LITHIUM-ION BATTERY RECYCLING METHOD

ALL-IN-ONE NICKEL RECOVERING METHOD FOR NICKEL METAL RECOVERY FROM...

PROCESSES AND SYSTEMS FOR PURIFYING INDEPENDENT STREAMS OF MANGANES...

ALL-IN-ONE NICKEL RECOVERING METHOD FOR NICKEL RECOVERY FROM RAW MA...

ALL-IN-ONE NICKEL RECOVERING METHOD FOR RECOVERY OF NICKEL OXIDE FR...

ALL-IN-ONE NICKEL RECOVERING METHOD FOR NICKEL HYDROXIDE RECOVERY F...

METHOD FOR EXTRACTING LITHIUM FROM CLAY AND OTHER MATERIALS IN A CH...

METHOD FOR RECOVERING METALS FROM LITHIUM ION BATTERY WASTE

METHOD FOR MANUFACTURING BATTERY MATERIAL

METHOD FOR RECOVERING VALUABLE MATERIALS FROM BATTERIES

RECOVERY METHOD OF VALUABLE METAL IN POSITIVE ELECTRODE SHEET OF LI...

A GREEN PROCESS FOR THE EXTRACTION OF LANTHANIDE ELEMENTS

PROCESS AND SYSTEM FOR LITHIUM PRODUCTION

METHOD OF RECOVERING TRANSITION METAL FROM LITHIUM SECONDARY BATTERY

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

NON-TOXIC AND ENVIRONMENTALLY FRIENDLY METHOD OF RECYCLING ACID MIN...

HYDROMETALLURGICAL TREATMENT OF ORES OR CONCENTRATES FOR REMOVAL OF...

EFFICIENT RARE EARTH AND CRITICAL MATERIAL RECOVERY FROM RARE EARTH...

METHOD FOR REMOVING CHLORINE IN ZINC HYDROMETALLURGY

PRECIOUS METALS RECOVERY

METHOD FOR LEACHING COPPER USING PRESSURE LEACHING TECHNIQUE

METHOD OF SELECTIVE PRECIPITATION OF METALS USING AMIDE COMPOUNDS

METHOD FOR RECOVERING WASTE LITHIUM BATTERY MATERIALS

METHOD FOR RECOVERING VALUABLE METALS FROM SPENT CATALYSTS

METHOD FOR RECOVERING MAGNESIUM BY USING SEDIMENT AND SULFURIC ACID...

METHOD FOR RECOVERING LITHIUM BATTERY POSITIVE ELECTRODE PLATE

METHOD OF LEACHING METAL-CONTAINING MATERIALS

CRYSTALLIZATION PROCESS FOR THE SEPARATION OF METALS

METHOD FOR RECYCLING AN LED