Obtaining lithium

Industry

CPC
C22B26/12

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 C22B26/00Obtaining alkali, alkaline earth metals or magnesium

Current Industry

C22B26/12Obtaining lithium

Industries

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Method for recovering valuable metal
- Patent number 12,319,979
- Issue date Jun 3, 2025
- JX METALS CIRCULAR SOLUTIONS CO., LTD.
- Nobuaki Okajima
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Adaptable processes and systems for purifying co-precipitated or in...
- Patent number 12,322,771
- Issue date Jun 3, 2025
- GREEN LI-ION PTE. LTD.
- Reza Katal
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recycling and regeneration of lithium-ion battery cathodes
- Patent number 12,315,899
- Issue date May 27, 2025
- The Regents of the Unversity of California
- Zheng Chen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the recovery of lithium and other metals from waste lit...
- Patent number 12,312,654
- Issue date May 27, 2025
- BASF SE
- Wolfgang Rohde
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Coupling system of supercritical carbon dioxide cycle power generat...
- Patent number 12,305,259
- Issue date May 20, 2025
- BYD Company Limited
- Yuegeng Ma
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Lithium recovery process
- Patent number 12,297,518
- Issue date May 13, 2025
- Worcester Polytechnic Institute
- Yan Wang
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Energy efficient process for concentrating and recovering lithium f...
- Patent number 12,297,519
- Issue date May 13, 2025
- Veolia Water Solutions & Technologies Support
- Kurt Blohm
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Processes and systems for purifying and recycling lithium-ion batte...
- Patent number 12,297,520
- Issue date May 13, 2025
- GREEN LI-ION PTE. LTD.
- Ebrahim Akhondi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Electrodepostion of metals from liquid media
- Patent number 12,286,719
- Issue date Apr 29, 2025
- Board of Regents, The University of Texas System
- Thomas C. Underwood
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Direct lithium extraction compositions and methods
- Patent number 12,285,740
- Issue date Apr 29, 2025
- ALBEMARLE CORPORATION
- Jesse DuPont
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Lithium recovery using aqueous sources
- Patent number 12,280,322
- Issue date Apr 22, 2025
- Schlumberger Technology Corporation
- Gary W. Sams
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Methods and systems for reducing magnesium in high salinity salar b...
- Patent number 12,268,992
- Issue date Apr 8, 2025
- FLUID TECHNOLOGY SOLUTIONS (FTS) INC.
- John R. Herron
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Methods and systems for scalable direct recycling of battery waste
- Patent number 12,266,772
- Issue date Apr 1, 2025
- Li Industries, Inc.
- David Young
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for extracting lithium using resin adsorbent to pretreat low...
- Patent number 12,264,382
- Issue date Apr 1, 2025
- Qinghai Geological and Mineral Testing Center
- Yuqing Zhao
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
System for and method of processing waste lithium-ion battery
- Patent number 12,266,770
- Issue date Apr 1, 2025
- Kawasaki Jukogyo Kabushiki Kaisha
- Fuminori Ando
- C21 - METALLURGY OF IRON
Information Patent Grant
Lithium extraction enhanced by an alternate phase
- Patent number 12,257,529
- Issue date Mar 25, 2025
- LILAC SOLUTIONS, INC.
- David Henry Snydacker
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Lithium metal recovery and synthesis
- Patent number 12,255,282
- Issue date Mar 18, 2025
- UChicago Argonne, LLC
- Patricia Anne Ignacio de Leon
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Preparation of lithium carbonate from lithium chloride containing b...
- Patent number 12,252,409
- Issue date Mar 18, 2025
- TERRALITHIUM LLC
- Stephen Harrison
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Method for froth-controlled flotation of argillaceous lepidolite ore
- Patent number 12,251,713
- Issue date Mar 18, 2025
- KUNMING UNIVERSITY OF SCIENCE AND TECHNOLOGY
- Qicheng Feng
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Method of producing lithium hydroxide from lithium concentrate thro...
- Patent number 12,247,267
- Issue date Mar 11, 2025
- ECOPRO INNOVATION CO., LTD.
- Min-Woo Lee
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Lithium extraction process and apparatus
- Patent number 12,234,529
- Issue date Feb 25, 2025
- U.S. Borax Inc.
- Amit Patwardhan
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Water producing system for a liquid transfer mat
- Patent number 12,231,085
- Issue date Feb 18, 2025
- Enertopia Corp.
- Barry Richard Brooks
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Treated geothermal brine compositions with reduced concentrations o...
- Patent number 12,221,671
- Issue date Feb 11, 2025
- TERRALITHIUM LLC
- Stephen Harrison
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Collocating a large-scale dissociating reactor near a geothermal en...
- Patent number 12,221,670
- Issue date Feb 11, 2025
- LytEn, Inc.
- Michael Stowell
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the preparation of lithium metal and lithium alloy moul...
- Patent number 12,221,698
- Issue date Feb 11, 2025
- ALBEMARLE GERMANY GMBH
- Ulrich Wietelmann
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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
Processing and recycling method and product of ultrathin lithium foil
- Patent number 12,215,431
- Issue date Feb 4, 2025
- Huazhong University of Science & Technology
- Huiqiao Li
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for recovering active metal of lithium secondary battery
- Patent number 12,211,979
- Issue date Jan 28, 2025
- SK Innovation Co., Ltd.
- Young Bin Seo
- 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
Method and device for preparing ultrathin metal lithium foil
- Patent number 12,195,824
- Issue date Jan 14, 2025
- SHENZHEN YANYI NEW MATERIALS CO., LTD.
- Kai Yang
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR RECOVERING MATERIALS FROM WASTE OR SCRAPS THROUGH AN IMP...
- Publication number 20250178903
- Publication date Jun 5, 2025
- UNIVERSITA DEGLI STUDI DI BRESCIA
- Elza BONTEMPI
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD USING SOLVENT EXTRACTION FOR SELECTIVE RECOVERY OF VALUABLE...
- Publication number 20250183398
- Publication date Jun 5, 2025
- INDUSTRY FOUNDATION OF CHONNAM NATIONAL UNIVERSITY
- MYONG JUN KIM
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
PROCESS AND CIRCUIT FOR SELECTIVE ADSORPTION AND DESORPTION OF LITH...
- Publication number 20250171877
- Publication date May 29, 2025
- ILiAD IP COMPANY, LLC
- Charles R. Marston
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
PROCESS AND PRODUCT
- Publication number 20250161879
- Publication date May 22, 2025
- GEO40 LIMITED
- Campbell McNicoll
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
LITHIUM RECOVERY SYSTEM FOR BLACK MASS
- Publication number 20250163543
- Publication date May 22, 2025
- DOOSAN ENERBILITY CO., LTD.
- Jang Yong YOU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MOVABLE DEVICE FOR EXTRACTING LITHIUM SALTS FROM BRINE OF SALT LAKES
- Publication number 20250153106
- Publication date May 15, 2025
- XI’AN LANSHEN NEW MATERIAL TECHNOLOGY CO., LTD.
- Dongbo SUN
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD OF DIRECT LITHIUM HYDROXIDE PRODUCTION FROM LITHIUM-ION BATT...
- Publication number 20250154017
- Publication date May 15, 2025
- SEM Inc.
- Wook Jin CHUNG
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD FOR RECOVERING VALUABLE METALS FROM POSITIVE ELECTRODE OF WA...
- Publication number 20250158146
- Publication date May 15, 2025
- Shenzhen Huineng Energy Storage Materials Engineering Research Center Co., LTD.
- Faping ZHONG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PROCESS FOR THE RECOVERY OF LI, NI AND CO
- Publication number 20250154627
- Publication date May 15, 2025
- Umicore
- Pieter VERHEES
- C01 - INORGANIC CHEMISTRY
Information Patent Application
APPARATUS AND METHODS FOR LITHIUM, CALCIUM, AND MAGNESIUM EXTRACTION
- Publication number 20250154624
- Publication date May 15, 2025
- The Regents of the University of California
- Gaurav Sant
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
FLEXIBLE BRINE PRE-TREATMENT FOR DIRECT LITHIUM EXTRACTION
- Publication number 20250145497
- Publication date May 8, 2025
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Fazlollah Madani Sani
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD OF TARGETED RECYCLING OF WASTE BATTERIES
- Publication number 20250149667
- Publication date May 8, 2025
- TSINGHUA UNIVERSITY
- Jinhui LI
- B22 - CASTING POWDER METALLURGY
Information Patent Application
METHOD OF EXTRACTING METAL FROM SALT SOLUTION DERIVED FROM SPENT BA...
- Publication number 20250149669
- Publication date May 8, 2025
- SK INNOVATION CO., LTD.
- Yeon Hwa LA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD AND COMPOSITION FOR LIQUID-LIQUID EXTRACTION
- Publication number 20250135403
- Publication date May 1, 2025
- Molten Salt Solutions, LLC
- Stephen L. Yarbro
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Method for recovering lithium from spent cathode of aluminum electr...
- Publication number 20250137093
- Publication date May 1, 2025
- ZHENGZHOU NON-FERROUS METALS RESEARCH INSTITUTE CO.LTD OF CHALCO
- Kaibin CHEN
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Harnessing Metal Ions from Brines
- Publication number 20250128211
- Publication date Apr 24, 2025
- Massachusetts Institute of Technology
- John H. Lienhard
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
DEVICES FOR EFFICIENT SORBENT UTILIZATION IN LITHIUM EXTRACTION
- Publication number 20250128186
- Publication date Apr 24, 2025
- Lilac Solutions, Inc.
- Nicolás Andrés GROSSO GIORDANO
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
MODULAR EXTRACTION APPARATUS
- Publication number 20250121329
- Publication date Apr 17, 2025
- International Battery Metals, Ltd.
- John L. BURBA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD OF EXTRACTING LITHIUM FROM SPODUMENE AND MEANWHILE RECOVERIN...
- Publication number 20250109456
- Publication date Apr 3, 2025
- TIANQI LITHIUM CORPORATION
- Zhigang YIN
- B22 - CASTING POWDER METALLURGY
Information Patent Application
LITHIUM RECOVERY FROM BRINE
- Publication number 20250101544
- Publication date Mar 27, 2025
- Avonlea Technology Holdings Corp.
- Ronald Otto LINCZ
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
CAPILLARY ELECTROPHORESIS ANALYSIS OF LITHIUM IN BRINE
- Publication number 20250092489
- Publication date Mar 20, 2025
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Sharath Chandra Mahavadi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
PROCESS AND SYSTEM FOR LITHIUM PRODUCTION
- Publication number 20250091889
- Publication date Mar 20, 2025
- ICSIP PTY LTD
- Richard James HUNWICK
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
ION EXTRACTION COLUMN FOR BRINE
- Publication number 20250092490
- Publication date Mar 20, 2025
- International Bettery Metals, Ltd.
- John L. BURBA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
ADAPTABLE PROCESSES AND SYSTEMS FOR PURIFYING CO-PRECIPITATED OR IN...
- Publication number 20250070294
- Publication date Feb 27, 2025
- GREEN LI-ION PTE. LTD.
- Reza KATAL
- 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
PROCESSES AND SYSTEMS FOR EXTRACTING, PURIFYING, AND RECOVERING MAN...
- Publication number 20250070295
- 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 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
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...

Obtaining lithium

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method for recovering valuable metal

Adaptable processes and systems for purifying co-precipitated or in...

Recycling and regeneration of lithium-ion battery cathodes

Process for the recovery of lithium and other metals from waste lit...

Coupling system of supercritical carbon dioxide cycle power generat...

Lithium recovery process

Energy efficient process for concentrating and recovering lithium f...

Processes and systems for purifying and recycling lithium-ion batte...

Electrodepostion of metals from liquid media

Direct lithium extraction compositions and methods

Lithium recovery using aqueous sources

Methods and systems for reducing magnesium in high salinity salar b...

Methods and systems for scalable direct recycling of battery waste

Method for extracting lithium using resin adsorbent to pretreat low...

System for and method of processing waste lithium-ion battery

Lithium extraction enhanced by an alternate phase

Lithium metal recovery and synthesis

Preparation of lithium carbonate from lithium chloride containing b...

Method for froth-controlled flotation of argillaceous lepidolite ore

Method of producing lithium hydroxide from lithium concentrate thro...

Lithium extraction process and apparatus

Water producing system for a liquid transfer mat

Treated geothermal brine compositions with reduced concentrations o...

Collocating a large-scale dissociating reactor near a geothermal en...

Process for the preparation of lithium metal and lithium alloy moul...

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

Processing and recycling method and product of ultrathin lithium foil

Method for recovering active metal of lithium secondary battery

Method and system for recovering metals from black mass

Method and device for preparing ultrathin metal lithium foil

Patents Applicationslast 30 patents

METHOD FOR RECOVERING MATERIALS FROM WASTE OR SCRAPS THROUGH AN IMP...

METHOD USING SOLVENT EXTRACTION FOR SELECTIVE RECOVERY OF VALUABLE...

PROCESS AND CIRCUIT FOR SELECTIVE ADSORPTION AND DESORPTION OF LITH...

PROCESS AND PRODUCT

LITHIUM RECOVERY SYSTEM FOR BLACK MASS

MOVABLE DEVICE FOR EXTRACTING LITHIUM SALTS FROM BRINE OF SALT LAKES

METHOD OF DIRECT LITHIUM HYDROXIDE PRODUCTION FROM LITHIUM-ION BATT...

METHOD FOR RECOVERING VALUABLE METALS FROM POSITIVE ELECTRODE OF WA...

PROCESS FOR THE RECOVERY OF LI, NI AND CO

APPARATUS AND METHODS FOR LITHIUM, CALCIUM, AND MAGNESIUM EXTRACTION

FLEXIBLE BRINE PRE-TREATMENT FOR DIRECT LITHIUM EXTRACTION

METHOD OF TARGETED RECYCLING OF WASTE BATTERIES

METHOD OF EXTRACTING METAL FROM SALT SOLUTION DERIVED FROM SPENT BA...

METHOD AND COMPOSITION FOR LIQUID-LIQUID EXTRACTION

Method for recovering lithium from spent cathode of aluminum electr...

Harnessing Metal Ions from Brines

DEVICES FOR EFFICIENT SORBENT UTILIZATION IN LITHIUM EXTRACTION

MODULAR EXTRACTION APPARATUS

METHOD OF EXTRACTING LITHIUM FROM SPODUMENE AND MEANWHILE RECOVERIN...

LITHIUM RECOVERY FROM BRINE

CAPILLARY ELECTROPHORESIS ANALYSIS OF LITHIUM IN BRINE

PROCESS AND SYSTEM FOR LITHIUM PRODUCTION

ION EXTRACTION COLUMN FOR BRINE

ADAPTABLE PROCESSES AND SYSTEMS FOR PURIFYING CO-PRECIPITATED OR IN...

LITHIUM-ION BATTERY RECYCLING METHOD

PROCESSES AND SYSTEMS FOR EXTRACTING, PURIFYING, AND RECOVERING MAN...

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

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...