Recovery from waste materials

Industry

CPC
C22B13/045

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Parent Industries

CCHEMISTRY METALLURGY C22Metallurgy C22BPRODUCTION AND REFINING OF METALS PRETREATMENT OF RAW MATERIALS C22B13/00Obtaining lead

Current Industry

C22B13/045Recovery from waste materials

Industries

Patents Grantslast 30 patents

Information Patent Grant
Method for the treatment of iron-containing sludge
- Patent number 12,054,804
- Issue date Aug 6, 2024
- Arcelormittal
- Gaelle Kerzerho
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the desulphurization of materials and/or residues conta...
- Patent number 11,946,115
- Issue date Apr 2, 2024
- STC S.R.L. SCIENCE TECHNOLOGY & CONSULTING
- Giorgio La Sala
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Systems and methods for closed-loop recycling of a liquid component...
- Patent number 11,923,518
- Issue date Mar 5, 2024
- Clarios Advanced Germany Gmbh & Co. KG
- Eberhard Meissner
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method of separating and recovering bromine from printed circuit bo...
- Patent number 11,858,822
- Issue date Jan 2, 2024
- Beijing University of Technology
- Dean Pan
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Methods for purifying and recycling lead from spent lead-acid batte...
- Patent number 11,791,505
- Issue date Oct 17, 2023
- CPS Technology Holdings LLC
- Matthew A. Spence
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Systems and methods for aqueous recovery of lead from lead acid bat...
- Patent number 11,708,640
- Issue date Jul 25, 2023
- Aqua Metals Inc.
- Samaresh Mohanta
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for recovering lead from a lead pastel and use thereof in a...
- Patent number 11,667,990
- Issue date Jun 6, 2023
- Engitec Technologies S.p.A.
- Massimo Giuseppe Maccagni
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Metal cementing apparatus and continuous cementation method by mean...
- Patent number 11,603,577
- Issue date Mar 14, 2023
- COBRE LAS CRUCES, S.A.U.
- Carlos Frias Gomez
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for preparing lead directly from lead-containing material by...
- Patent number 11,519,054
- Issue date Dec 6, 2022
- University of Science and Technology Beijing
- Chengyan Wang
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Hydrometallurgical method for recycling lead from spent lead-acid b...
- Patent number 11,502,344
- Issue date Nov 15, 2022
- University of Science and Technology Beijing
- Chengyan Wang
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recycling of lead- and tin-based materials
- Patent number 11,427,478
- Issue date Aug 30, 2022
- Imperial College Innovations Limited
- Aleksandra Katarzyna Hekselman
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for comprehensive recovery of silver-containing lead slag
- Patent number 11,345,975
- Issue date May 31, 2022
- Beijing University of Technology
- De'an Pan
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of pretreatment and bromine recovery of PCB incineration ash
- Patent number 11,198,615
- Issue date Dec 14, 2021
- Beijing University of Technology
- Yufeng Wu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Systems and methods for continuous alkaline lead acid battery recyc...
- Patent number 11,072,864
- Issue date Jul 27, 2021
- Aqua Metals Inc.
- Robert Lewis Clarke
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Systems and methods for recovery of lead from lead acid batteries
- Patent number 11,028,460
- Issue date Jun 8, 2021
- Aqua Metals Inc.
- Robert Lewis Clarke
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Systems and methods for closed-loop recycling of a liquid component...
- Patent number 11,005,129
- Issue date May 11, 2021
- Clarios Germany GmbH & Co. KGAA
- Eberhard Meissner
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Systems and methods for producing potassium sulfate
- Patent number 10,968,144
- Issue date Apr 6, 2021
- Marsulex Environmental Technologies Corporation
- Michael L. Mengel
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method of recovering bromide from bromine-containing smelting ash
- Patent number 10,954,125
- Issue date Mar 23, 2021
- Beijing University of Technology
- Dean Pan
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for the treatment of an object contaminated with metallic pa...
- Patent number 10,837,082
- Issue date Nov 17, 2020
- MT2, LLC
- Michael L. Enos
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for the treatment of an object contaminated with metallic pa...
- Patent number 10,829,835
- Issue date Nov 10, 2020
- MT2, LLC
- Michael L. Enos
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Grant
Method for the treatment of metallic particles and objects contamin...
- Patent number 10,781,504
- Issue date Sep 22, 2020
- MT2, LLC
- Michael L. Enos
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Methods for purifying and recycling lead from spent lead-acid batte...
- Patent number 10,777,858
- Issue date Sep 15, 2020
- CPS Technology Holdings LLC
- Matthew A. Spence
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrochemical recycling of lead-based materials
- Patent number 10,774,433
- Issue date Sep 15, 2020
- IMPERIAL WHITE CITY INCUBATOR LIMITED
- Christopher Gavin Poll
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Process for the selective recovery of lead and silver
- Patent number 10,526,683
- Issue date Jan 7, 2020
- Ténicas Reunidas, S.A.
- Carlos Alvarez Carreño
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Integrated recovery of metals from complex substrates
- Patent number 10,487,374
- Issue date Nov 26, 2019
- YAVA TECHNOLOGIES INC.
- Madhav Dahal
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Systems and methods for closed-loop recycling of a liquid component...
- Patent number 10,403,940
- Issue date Sep 3, 2019
- CPS Technology Holdings LLC
- Eberhard Meissner
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recovery of valuable or toxic metals from silicon solar cells
- Patent number 10,385,421
- Issue date Aug 20, 2019
- Arizona Board of Regents on behalf of Arizona State University
- Meng Tao
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Process for the treatment of end-of-life cathode-ray tubes
- Patent number 10,337,114
- Issue date Jul 2, 2019
- E.V.H. S.r.l.
- Francesco Della Casa
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Systems and methods for continuous alkaline lead acid battery recyc...
- Patent number 10,316,420
- Issue date Jun 11, 2019
- Aqua Metals Inc.
- Robert Lewis Clarke
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Hydrothermal process for the treatment of lead glass with recovery...
- Patent number 10,184,162
- Issue date Jan 22, 2019
- Hellatron S.P.A.
- Giovanni Modica
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
LEADED SLAG CLEANING AND RECOVERY OF USEFUL METALS AND REUSE OF SLAG
- Publication number 20240274911
- Publication date Aug 15, 2024
- Gopher Resource, LLC
- Joseph GROGAN
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
SYSTEMS AND PROCESSES FOR PRODUCING AMMONIUM SULFATE FROM WASTE STR...
- Publication number 20240190713
- Publication date Jun 13, 2024
- Michael Hammer
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
SYSTEMS AND METHODS FOR CLOSED-LOOP RECYCLING OF A LIQUID COMPONENT...
- Publication number 20240194962
- Publication date Jun 13, 2024
- CLARIOS GERMANY GMBH & CO. KG
- Eberhard Meissner
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
METHOD FOR THE TREATMENT OF RESIDUES FROM THE ZINC AND LEAD PRODUCT...
- Publication number 20240150868
- Publication date May 9, 2024
- ECOTEC GESTIONE IMPIANTI S.R.L
- Aldo IMERITO
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR RECOVERING LEAD FROM COPPER SMELTING DUST
- Publication number 20240076759
- Publication date Mar 7, 2024
- MITSUBISHI MATERIALS CORPORATION
- Shu Muraoka
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
APPARATUS FOR RECOVERY OF BASE METALS FROM GRID METALLICS
- Publication number 20240043961
- Publication date Feb 8, 2024
- VERDEEN CHEMICALS INC.
- Vipin Tyagi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHODS FOR PURIFYING AND RECYCLING LEAD FROM SPENT LEAD-ACID BATTE...
- Publication number 20240021905
- Publication date Jan 18, 2024
- CPS Technology Holdings LLC
- Matthew A. Spence
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
ENERGY EFFICIENT SALT-FREE RECOVERY OF METAL FROM DROSS
- Publication number 20230357888
- Publication date Nov 9, 2023
- PYROGENESIS CANADA INC.
- Michel G. Drouet
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Systems And Methods For Aqueous Recovery Of Lead From Lead Acid Bat...
- Publication number 20230313400
- Publication date Oct 5, 2023
- Aqua Metals Inc.
- Samaresh Mohanta
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
PROCESS WITH LOW ENVIRONMENTAL IMPACT AND REDUCED ENERGY CONSUMPTIO...
- Publication number 20230307733
- Publication date Sep 28, 2023
- ENN.CO SRL
- Giovanni MODICA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR RECOVERING VALUABLE MATERIAL FROM PEROVSKITE SOLAR CELL
- Publication number 20230304125
- Publication date Sep 28, 2023
- National Tsing-Hua University
- Fan-Wei LIU
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Hydrometallurgical Processes For Battery Recycling
- Publication number 20230279520
- Publication date Sep 7, 2023
- The Doe Run Resources Corporation
- Timothy Roy HYMER
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
DESULFURISATION OF LEAD-CONTAINING WASTE
- Publication number 20230235427
- Publication date Jul 27, 2023
- EVER RESOURCE LTD
- Vimalnath SELVARAJ
- C01 - INORGANIC CHEMISTRY
Information Patent Application
A METHOD OF SEPARATING AND RECOVERING BROMINE FROM PRINTED CIRCUIT...
- Publication number 20230192488
- Publication date Jun 22, 2023
- BEIJING UNIVERSITY OF TECHNOLOGY
- DEAN PAN
- C01 - INORGANIC CHEMISTRY
Information Patent Application
HYDROMETALLURGICAL METHOD FOR SIMULTANEOUSLY EXTRACTING METALS AND...
- Publication number 20230137480
- Publication date May 4, 2023
- Julio Domingo BONELLI ARENAS
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
MOLTEN LEAD SCRAP SUBMERGENCE APPARATUS
- Publication number 20230037016
- Publication date Feb 2, 2023
- PYROTEK, INC.
- Andrew HORSFALL
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Systems And Methods For Aqueous Recovery Of Lead From Lead Acid Bat...
- Publication number 20220341051
- Publication date Oct 27, 2022
- Aqua Metals Inc.
- Samaresh Mohanta
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
DESULFURISATION OF LEAD-CONTAINING WASTE
- Publication number 20220325376
- Publication date Oct 13, 2022
- EVER RESOURCE LTD
- Vimalnath SELVARAJ
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR THE TREATMENT OF IRON-CONTAINING SLUDGE
- Publication number 20210371953
- Publication date Dec 2, 2021
- ARCELORMITTAL
- Gaelle KERZERHO
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
RECYCLING OF LEAD- AND TIN-BASED MATERIALS
- Publication number 20210317001
- Publication date Oct 14, 2021
- Imperial College Innovations Limited
- Aleksandra Katarzyna HEKSELMAN
- C01 - INORGANIC CHEMISTRY
Information Patent Application
SYSTEMS AND METHODS FOR CLOSED-LOOP RECYCLING OF A LIQUID COMPONENT...
- Publication number 20210280923
- Publication date Sep 9, 2021
- Clarios Germany GmbH & Co. KGaA
- Eberhard Meissner
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR THE DESULPHURIZATION OF MATERIALS AND/OR RESIDUES CONTA...
- Publication number 20210246528
- Publication date Aug 12, 2021
- STC S.R.L. SCIENCE TECHNOLOGY & CONSULATING
- Giorgio La Sala
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
SYSTEM AND METHOD FOR RECLAMATION OF LEADED GLASS
- Publication number 20210107824
- Publication date Apr 15, 2021
- GKAT RECLAMATION, LLC
- Michael Seiler
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
PROCESS FOR RECOVERING LEAD FROM A LEAD PASTEL AND USE THEREOF IN A...
- Publication number 20210025026
- Publication date Jan 28, 2021
- Engitec Technologies S.P.A.
- Massimo Giuseppe MACCAGNI
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
METAL CEMENTING APPARATUS AND CONTINUOUS CEMENTATION METHOD BY MEAN...
- Publication number 20210010102
- Publication date Jan 14, 2021
- COBRE LAS CRUCES, S.A.U.
- Carlos Frias Gomez
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHODS FOR PURIFYING AND RECYCLING LEAD FROM SPENT LEAD-ACID BATTE...
- Publication number 20200411921
- Publication date Dec 31, 2020
- CPS Technology Holdings LLC
- Matthew A. Spence
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
A METHOD OF RECOVERING BROMIDE FROM BROMINE-CONTAINING SMELTING ASH
- Publication number 20200392000
- Publication date Dec 17, 2020
- BEIJING UNIVERSITY OF TECHNOLOGY
- DEAN PAN
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
ENERGY EFFICIENT SALT-FREE RECOVERY OF METAL FROM DROSS
- Publication number 20200332392
- Publication date Oct 22, 2020
- PYROGENESIS CANADA, INC.
- Michel G. Drouet
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Application
HYDROMETALLURGICAL METHOD FOR RECYCLING LEAD FROM SPENT LEAD-ACID B...
- Publication number 20200280111
- Publication date Sep 3, 2020
- UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING
- Chengyan WANG
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
A Method of Pretreatment and Bromine Recovery of PCB Incineration Ash
- Publication number 20200262712
- Publication date Aug 20, 2020
- BEIJING UNIVERSITY OF TECHNOLOGY
- Yufeng Wu
- C01 - INORGANIC CHEMISTRY

Recovery from waste materials

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method for the treatment of iron-containing sludge

Process for the desulphurization of materials and/or residues conta...

Systems and methods for closed-loop recycling of a liquid component...

Method of separating and recovering bromine from printed circuit bo...

Methods for purifying and recycling lead from spent lead-acid batte...

Systems and methods for aqueous recovery of lead from lead acid bat...

Process for recovering lead from a lead pastel and use thereof in a...

Metal cementing apparatus and continuous cementation method by mean...

Method for preparing lead directly from lead-containing material by...

Hydrometallurgical method for recycling lead from spent lead-acid b...

Recycling of lead- and tin-based materials

Method for comprehensive recovery of silver-containing lead slag

Method of pretreatment and bromine recovery of PCB incineration ash

Systems and methods for continuous alkaline lead acid battery recyc...

Systems and methods for recovery of lead from lead acid batteries

Systems and methods for closed-loop recycling of a liquid component...

Systems and methods for producing potassium sulfate

Method of recovering bromide from bromine-containing smelting ash

Method for the treatment of an object contaminated with metallic pa...

Method for the treatment of an object contaminated with metallic pa...

Method for the treatment of metallic particles and objects contamin...

Methods for purifying and recycling lead from spent lead-acid batte...

Electrochemical recycling of lead-based materials

Process for the selective recovery of lead and silver

Integrated recovery of metals from complex substrates

Systems and methods for closed-loop recycling of a liquid component...

Recovery of valuable or toxic metals from silicon solar cells

Process for the treatment of end-of-life cathode-ray tubes

Systems and methods for continuous alkaline lead acid battery recyc...

Hydrothermal process for the treatment of lead glass with recovery...

Patents Applicationslast 30 patents

LEADED SLAG CLEANING AND RECOVERY OF USEFUL METALS AND REUSE OF SLAG

SYSTEMS AND PROCESSES FOR PRODUCING AMMONIUM SULFATE FROM WASTE STR...

SYSTEMS AND METHODS FOR CLOSED-LOOP RECYCLING OF A LIQUID COMPONENT...

METHOD FOR THE TREATMENT OF RESIDUES FROM THE ZINC AND LEAD PRODUCT...

METHOD FOR RECOVERING LEAD FROM COPPER SMELTING DUST

APPARATUS FOR RECOVERY OF BASE METALS FROM GRID METALLICS

METHODS FOR PURIFYING AND RECYCLING LEAD FROM SPENT LEAD-ACID BATTE...

ENERGY EFFICIENT SALT-FREE RECOVERY OF METAL FROM DROSS

Systems And Methods For Aqueous Recovery Of Lead From Lead Acid Bat...

PROCESS WITH LOW ENVIRONMENTAL IMPACT AND REDUCED ENERGY CONSUMPTIO...

METHOD FOR RECOVERING VALUABLE MATERIAL FROM PEROVSKITE SOLAR CELL

Hydrometallurgical Processes For Battery Recycling

DESULFURISATION OF LEAD-CONTAINING WASTE

A METHOD OF SEPARATING AND RECOVERING BROMINE FROM PRINTED CIRCUIT...

HYDROMETALLURGICAL METHOD FOR SIMULTANEOUSLY EXTRACTING METALS AND...

MOLTEN LEAD SCRAP SUBMERGENCE APPARATUS

Systems And Methods For Aqueous Recovery Of Lead From Lead Acid Bat...

DESULFURISATION OF LEAD-CONTAINING WASTE

METHOD FOR THE TREATMENT OF IRON-CONTAINING SLUDGE

RECYCLING OF LEAD- AND TIN-BASED MATERIALS

SYSTEMS AND METHODS FOR CLOSED-LOOP RECYCLING OF A LIQUID COMPONENT...

PROCESS FOR THE DESULPHURIZATION OF MATERIALS AND/OR RESIDUES CONTA...

SYSTEM AND METHOD FOR RECLAMATION OF LEADED GLASS

PROCESS FOR RECOVERING LEAD FROM A LEAD PASTEL AND USE THEREOF IN A...

METAL CEMENTING APPARATUS AND CONTINUOUS CEMENTATION METHOD BY MEAN...

METHODS FOR PURIFYING AND RECYCLING LEAD FROM SPENT LEAD-ACID BATTE...

A METHOD OF RECOVERING BROMIDE FROM BROMINE-CONTAINING SMELTING ASH

ENERGY EFFICIENT SALT-FREE RECOVERY OF METAL FROM DROSS

HYDROMETALLURGICAL METHOD FOR RECYCLING LEAD FROM SPENT LEAD-ACID B...

A Method of Pretreatment and Bromine Recovery of PCB Incineration Ash