from spent catalysts

Industry

CPC
C22B11/048

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Parent Industries

CCHEMISTRY METALLURGY C22Metallurgy C22BPRODUCTION AND REFINING OF METALS PRETREATMENT OF RAW MATERIALS C22B11/00Obtaining noble metals

Current Industry

C22B11/048from spent catalysts

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Process for recovering precious metals from molecular sieve bodies
- Patent number 12,084,744
- Issue date Sep 10, 2024
- Fred W. Bonnet
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for leaching platinum group metals from spent catalyst by UV...
- Patent number 11,952,642
- Issue date Apr 9, 2024
- Dalian University of Technology
- Zhenping Qu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Apparatus for platinum group metals recovery from spent catalysts
- Patent number 11,898,220
- Issue date Feb 13, 2024
- Yeda Research and Development Co. Ltd.
- Igor Lubomirsky
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
System and method for removing transition metals from solution
- Patent number 11,517,832
- Issue date Dec 6, 2022
- The Research Foundation for The State University of New York
- Steven Diver
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Extraction of selected platinum-group metals from supported catalyst
- Patent number 11,427,887
- Issue date Aug 30, 2022
- The Board of Trustees of the University of Illinois
- Malek Y. S. Ibrahim
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Platinum group metals recovery
- Patent number 11,225,702
- Issue date Jan 18, 2022
- The Board of Regents for Oklahoma State University
- Pankaj Sarin
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Jacketed rotary converter and PGM converting process
- Patent number 10,648,059
- Issue date May 12, 2020
- Techemet, LP
- Edward W. Albrecht
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for the recovery of precious metal
- Patent number 10,544,481
- Issue date Jan 28, 2020
- Max-Planck-Institut Für Eisenforschung GmbH
- Nejc Hodnik
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of selective extraction of platinoids, from a support contai...
- Patent number 10,494,695
- Issue date Dec 3, 2019
- Commissariat a l'Energie Atomique et Aux Energies Alternatives
- Frédéric Goettmann
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for platinum group metals recovery from spent catalysts
- Patent number 10,457,999
- Issue date Oct 29, 2019
- Yeda Research and Development Co. Ltd.
- Igor Lubomirsky
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for removing precious metal from precious metal-containing...
- Patent number 10,378,082
- Issue date Aug 13, 2019
- Heraeus Deutschland GmbH & Co. KG
- Christoph Roehlich
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of recovering acid and platinum group metal from leaching so...
- Patent number 10,190,192
- Issue date Jan 29, 2019
- Korea Institute of Geoscience & Mineral Resources
- Jin-Young Lee
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Safe unloading and disposal of ionic liquid catalyst contaminated s...
- Patent number 10,052,510
- Issue date Aug 21, 2018
- Chevron U.S.A. Inc.
- Hye Kyung Cho Timken
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for concentrating metals from scrap containing metal
- Patent number 10,041,142
- Issue date Aug 7, 2018
- Wolfram Palitzsch
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Metallurgical extraction technique to recover platinum group metals...
- Patent number 10,017,837
- Issue date Jul 10, 2018
- Chevron U.S.A. Inc.
- Rahul Shankar Bhaduri
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for recovering ruthenium from spent ruthenium-based catalyst...
- Patent number 9,758,844
- Issue date Sep 12, 2017
- Wuhan Kaidi Engineering Technology Research Institute Co., Ltd.
- Bo Lai
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for preparing a spent catalyst for precious metals recovery
- Patent number 9,580,770
- Issue date Feb 28, 2017
- Chevron U.S.A. Inc.
- Rahul Shankar Bhaduri
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for recovering platinum group metals from catalytic structures
- Patent number 9,580,826
- Issue date Feb 28, 2017
- Syddansk Universitet
- Eivind Skou
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Use of metal scavengers for removal of ruthenium residues
- Patent number 9,533,937
- Issue date Jan 3, 2017
- Apeiron Synthesis S.A.
- Grzegorz Szczepaniak
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Scavenger supports and the use thereof in a process for the extract...
- Patent number 9,234,256
- Issue date Jan 12, 2016
- Johnson Matthey Finland OY
- David Alan Pears
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for preparing solid ruthenium nitrosyl nitrate
- Patent number 9,005,555
- Issue date Apr 14, 2015
- Sunshine Kaidi New Energy Group Co., Ltd.
- Li Xu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Composition for collecting metal component
- Patent number 8,979,974
- Issue date Mar 17, 2015
- National Institute of Advanced Industrial Science and Technology
- Katsuhiro Nomura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process of precious metal recovery and color removal from an organo...
- Patent number 8,715,388
- Issue date May 6, 2014
- MOMENTIVE PERFORMANCE MATERIALS
- He Bai
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Scavenger supports and the use thereof in a process for the extract...
- Patent number 8,652,335
- Issue date Feb 18, 2014
- Johnson Matthey Finland OY
- David Alan Pears
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for recovering metal from ore
- Patent number 8,585,798
- Issue date Nov 19, 2013
- Nippon Mining & Metals Co., Ltd.
- Yoshifumi Abe
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for recovering metals from a spent catalyst composition
- Patent number 8,282,705
- Issue date Oct 9, 2012
- Crisolteq Oy
- Kenneth Ekman
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for recovering ruthenium from used ruthenium oxide-comprisi...
- Patent number 8,252,253
- Issue date Aug 28, 2012
- BASF SE
- Guido Henze
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for recovering catalytic elements from fuel cell membrane el...
- Patent number 8,206,682
- Issue date Jun 26, 2012
- Lawrence Shore
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Processes and systems for recovering catalyst promoter from catalys...
- Patent number 8,187,561
- Issue date May 29, 2012
- Ames Goldsmith Corporation
- Michael S. Herman
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Metal recovery
- Patent number 8,057,572
- Issue date Nov 15, 2011
- ExxonMobil Research and Engineering Company
- Charles H. Mauldin
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
SELECTIVE SEPARATION OF HEXACHLOROPLATINATE(IV) DIANIONS BASED ON E...
- Publication number 20240262853
- Publication date Aug 8, 2024
- Northwestern University
- James Fraser Stoddart
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PLATINUM-GROUP METAL RECOVERY AGENT AND PLATINUM-GROUP METAL RECOVE...
- Publication number 20240167120
- Publication date May 23, 2024
- Mitsubishi Gas Chemical Company, Inc.
- Kazuya MATSUMOTO
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHODS FOR LEACHING AND RECOVERY OF PLATINUM GROUP METALS IN ORGAN...
- Publication number 20240150867
- Publication date May 9, 2024
- EXCIR WORKS CORP.
- Hiwa SALIMI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR LEACHING PLATINUM GROUP METALS FROM SPENT CATALYST BY UV...
- Publication number 20240084420
- Publication date Mar 14, 2024
- DALIAN UNIVERSITY OF TECHNOLOGY
- Zhenping QU
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR RECOVERING NOBLE METAL FROM HETEROGENEOUS CATALYSTS CONT...
- Publication number 20230407503
- Publication date Dec 21, 2023
- Heraeus Deutschland GmbH & Co. KG
- Dirk MAIER
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR RECOVERING PRECIOUS METAL FROM PRECIOUS METAL-CONTAINING...
- Publication number 20230212712
- Publication date Jul 6, 2023
- Heraeus Precious Metal Technology (China) Co., Ltd.
- Bin ZHANG
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Process For Recovering Precious Metals From Molecular Sieve Bodies
- Publication number 20230141211
- Publication date May 11, 2023
- Fred W. Bonnet
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
A METHOD OF RECOVERING IRIDIUM
- Publication number 20230023272
- Publication date Jan 26, 2023
- SYDDANSK UNIVERSITET
- Shuang Ma Andersen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
PGM CONVERTING PROCESS AND JACKETED ROTARY CONVERTER
- Publication number 20220177999
- Publication date Jun 9, 2022
- Techemet, LP
- Edward W. Albrecht
- C21 - METALLURGY OF IRON
Information Patent Application
PROCESS FOR THE RECOVERY AND RECYCLING OF MATERIALS THAT CONSTITUTE...
- Publication number 20200318218
- Publication date Oct 8, 2020
- HYDROGEN ONSITE, S.L.
- David Alfredo PACHECO TANAKA
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR PLATINUM GROUP METALS RECOVERY FROM SPENT CATALYSTS
- Publication number 20200032370
- Publication date Jan 30, 2020
- YEDA RESEARCH AND DEVELOPMENT CO., LTD.
- Igor LUBOMIRSKY
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Jacketed Rotary Converter and PGM Converting Process
- Publication number 20190338380
- Publication date Nov 7, 2019
- Techemet, LP
- Edward W. Albrecht
- C21 - METALLURGY OF IRON
Information Patent Application
PLATINUM GROUP METALS RECOVERY
- Publication number 20190284660
- Publication date Sep 19, 2019
- The Board of Regents for Oklahoma State University
- Pankaj Sarin
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Method for the Recovery of Precious Metal
- Publication number 20180347008
- Publication date Dec 6, 2018
- MAX-PLANCK-INSTITUT FÜR EISENFORSCHUNG GMBH
- Nejc Hodnik
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
POLYMER-SUPPORTED CHELATING AGENT
- Publication number 20180339286
- Publication date Nov 29, 2018
- QATAR FOUNDATION FOR EDUCATION, SCIENCE AND COMMUNITY DEVELOPMENT
- HASSAN SAID BAZZI
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
System and Method for Recovering Catalytic Precious Metal from Aque...
- Publication number 20180245178
- Publication date Aug 30, 2018
- MacDermid Enthone Inc.
- Jens Goldacker
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
PROCESS FOR REMOVING PRECIOUS METAL FROM PRECIOUS METAL-CONTAINING...
- Publication number 20170349970
- Publication date Dec 7, 2017
- Heraeus Deutschland GmbH & Co. KG
- Christoph Roehlich
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD OF SELECTIVE EXTRACTION OF PLATINOIDS, FROM A SUPPORT CONTAI...
- Publication number 20170253947
- Publication date Sep 7, 2017
- Commissariat A L'Energie Atomique et Aux Energies Alternatives
- Frédéric Goettmann
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR PLATINUM GROUP METALS RECOVERY FROM SPENT CATALYSTS
- Publication number 20170145542
- Publication date May 25, 2017
- Igor LUBOMIRSKY
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
USE OF METAL SCAVENGERS FOR REMOVAL OF RUTHENIUM RESIDUES
- Publication number 20160297742
- Publication date Oct 13, 2016
- APEIRON SYNTHESIS S.A.
- Grzegorz Szczepaniak
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
COMPOSITION OF A FILTER CAKE FOR PRECIOUS METALS RECOVERY
- Publication number 20160289792
- Publication date Oct 6, 2016
- Chevron U.S.A. Inc.
- Rahul Shankar Bhaduri
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
SYSTEM AND METHOD FOR REMOVING TRANSITION METALS FROM SOLUTION
- Publication number 20160243463
- Publication date Aug 25, 2016
- The Research Foundation for The State University of New York
- Steven DIVER
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
PROCESS FOR PREPARING A SPENT CATALYST FOR PRECIOUS METALS RECOVERY
- Publication number 20160115566
- Publication date Apr 28, 2016
- Chevron U.S.A. Inc.
- Rahul Shankar Bhaduri
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD OF RECOVERING ACID AND PLATINUM GROUP METAL FROM LEACHING SO...
- Publication number 20160102384
- Publication date Apr 14, 2016
- KOREA INSTITUTE OF GEOSCIENCE & MINERAL RESOURCES
- Jin-Young LEE
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Method for Concentrating Metals from Scrap Containing Metal
- Publication number 20160053343
- Publication date Feb 25, 2016
- Wolfram PALITZSCH
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR RECOVERING PRECIOUS METAL FROM METAL CARRIER CATALYST
- Publication number 20150218671
- Publication date Aug 6, 2015
- CATALER CORPORATION
- Tsuneyuki Watanabe
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR RECOVERING RUTHENIUM FROM SPENT RUTHENIUM-BASED CATALYST...
- Publication number 20140373682
- Publication date Dec 25, 2014
- Bo LAI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
PROCESS FOR RECOVERY OF COBALT, RUTHENIUM, AND ALUMINUM FROM SPENT...
- Publication number 20140377151
- Publication date Dec 25, 2014
- Qianqian LIU
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR PREPARING SOLID RUTHENIUM NITROSYL NITRATE
- Publication number 20140369905
- Publication date Dec 18, 2014
- Li XU
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
COMPOSITION FOR COLLECTING METAL COMPONENT
- Publication number 20130283978
- Publication date Oct 31, 2013
- Katsuhiro Nomura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

from spent catalysts

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Process for recovering precious metals from molecular sieve bodies

Method for leaching platinum group metals from spent catalyst by UV...

Apparatus for platinum group metals recovery from spent catalysts

System and method for removing transition metals from solution

Extraction of selected platinum-group metals from supported catalyst

Platinum group metals recovery

Jacketed rotary converter and PGM converting process

Method for the recovery of precious metal

Method of selective extraction of platinoids, from a support contai...

Method for platinum group metals recovery from spent catalysts

Process for removing precious metal from precious metal-containing...

Method of recovering acid and platinum group metal from leaching so...

Safe unloading and disposal of ionic liquid catalyst contaminated s...

Method for concentrating metals from scrap containing metal

Metallurgical extraction technique to recover platinum group metals...

Method for recovering ruthenium from spent ruthenium-based catalyst...

Process for preparing a spent catalyst for precious metals recovery

Method for recovering platinum group metals from catalytic structures

Use of metal scavengers for removal of ruthenium residues

Scavenger supports and the use thereof in a process for the extract...

Method for preparing solid ruthenium nitrosyl nitrate

Composition for collecting metal component

Process of precious metal recovery and color removal from an organo...

Scavenger supports and the use thereof in a process for the extract...

Method for recovering metal from ore

Method for recovering metals from a spent catalyst composition

Process for recovering ruthenium from used ruthenium oxide-comprisi...

Method for recovering catalytic elements from fuel cell membrane el...

Processes and systems for recovering catalyst promoter from catalys...

Metal recovery

Patents Applicationslast 30 patents

SELECTIVE SEPARATION OF HEXACHLOROPLATINATE(IV) DIANIONS BASED ON E...

PLATINUM-GROUP METAL RECOVERY AGENT AND PLATINUM-GROUP METAL RECOVE...

METHODS FOR LEACHING AND RECOVERY OF PLATINUM GROUP METALS IN ORGAN...

METHOD FOR LEACHING PLATINUM GROUP METALS FROM SPENT CATALYST BY UV...

METHOD FOR RECOVERING NOBLE METAL FROM HETEROGENEOUS CATALYSTS CONT...

METHOD FOR RECOVERING PRECIOUS METAL FROM PRECIOUS METAL-CONTAINING...

Process For Recovering Precious Metals From Molecular Sieve Bodies

A METHOD OF RECOVERING IRIDIUM

PGM CONVERTING PROCESS AND JACKETED ROTARY CONVERTER

PROCESS FOR THE RECOVERY AND RECYCLING OF MATERIALS THAT CONSTITUTE...

METHOD FOR PLATINUM GROUP METALS RECOVERY FROM SPENT CATALYSTS

Jacketed Rotary Converter and PGM Converting Process

PLATINUM GROUP METALS RECOVERY

Method for the Recovery of Precious Metal

POLYMER-SUPPORTED CHELATING AGENT

System and Method for Recovering Catalytic Precious Metal from Aque...

PROCESS FOR REMOVING PRECIOUS METAL FROM PRECIOUS METAL-CONTAINING...

METHOD OF SELECTIVE EXTRACTION OF PLATINOIDS, FROM A SUPPORT CONTAI...

METHOD FOR PLATINUM GROUP METALS RECOVERY FROM SPENT CATALYSTS

USE OF METAL SCAVENGERS FOR REMOVAL OF RUTHENIUM RESIDUES

COMPOSITION OF A FILTER CAKE FOR PRECIOUS METALS RECOVERY

SYSTEM AND METHOD FOR REMOVING TRANSITION METALS FROM SOLUTION

PROCESS FOR PREPARING A SPENT CATALYST FOR PRECIOUS METALS RECOVERY

METHOD OF RECOVERING ACID AND PLATINUM GROUP METAL FROM LEACHING SO...

Method for Concentrating Metals from Scrap Containing Metal

METHOD FOR RECOVERING PRECIOUS METAL FROM METAL CARRIER CATALYST

METHOD FOR RECOVERING RUTHENIUM FROM SPENT RUTHENIUM-BASED CATALYST...

PROCESS FOR RECOVERY OF COBALT, RUTHENIUM, AND ALUMINUM FROM SPENT...

METHOD FOR PREPARING SOLID RUTHENIUM NITROSYL NITRATE

COMPOSITION FOR COLLECTING METAL COMPONENT