Obtaining zinc or zinc oxide

Industry

CPC
C22B19/00

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Parent Industries

CCHEMISTRY METALLURGY C22Metallurgy C22BPRODUCTION AND REFINING OF METALS PRETREATMENT OF RAW MATERIALS

Current Industry

Sub Industries

C22B19/02Preliminary treatment of ores Preliminary refining of zinc oxide C22B19/04Obtaining zinc by distilling C22B19/06in muffle furnaces C22B19/08in blast furnaces C22B19/10in reverberatory furnaces C22B19/12in crucible furnaces C22B19/14in vertical retorts C22B19/16Distilling vessels C22B19/18Condensers, Receiving vessels C22B19/20Obtaining zinc otherwise than by distilling C22B19/22with leaching with acids C22B19/24with leaching with alkaline solutions C22B19/26Refining solutions containing zinc values C22B19/28from muffle furnace residues C22B19/30from metallic residues or scraps C22B19/32Refining zinc C22B19/34Obtaining zinc oxide C22B19/36in blast or reverberatory furnaces C22B19/38in rotary furnaces

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Polymetallic-ore beneficiation and separation reagent, preparation...
- Patent number 12,286,687
- Issue date Apr 29, 2025
- Beijing LRS Technology Co., Ltd.
- Bozeng Wu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the recovery of zinc from zinc-bearing raw materials
- Patent number 12,276,007
- Issue date Apr 15, 2025
- TÉCNICAS REUNIDAS, S.A.
- Ana Belén Mejías Cordero
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Low temperature reduction of metal oxides
- Patent number 12,241,141
- Issue date Mar 4, 2025
- KINALTEK PTY. LTD.
- Jawad Haidar
- B22 - CASTING POWDER METALLURGY
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
Method for removing arsenic from copper smelting soot and comprehen...
- Patent number 12,215,406
- Issue date Feb 4, 2025
- SHANDONG HUMON SMELTING CO., LTD.
- Junfeng Zhang
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Treated geothermal brine compositions with reduced concentration of...
- Patent number 12,168,748
- Issue date Dec 17, 2024
- TERRALITHIUM LLC
- Stephen Harrison
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for recovering non-ferrous metals from industrial mineral r...
- Patent number 12,157,928
- Issue date Dec 3, 2024
- Vito N.V.
- Frantisek Kukurugya
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for recovering components from alkaline batteries
- Patent number 12,125,996
- Issue date Oct 22, 2024
- Fortum Oyj
- Peik Ekman
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for transition metal oxide reduction
- Patent number 12,104,224
- Issue date Oct 1, 2024
- Helios Project Ltd.
- Jonathan Hausner
- C21 - METALLURGY OF IRON
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
Pyro-metallurgical process in a rotary kiln
- Patent number 12,018,345
- Issue date Jun 25, 2024
- S.A. Lhoist Recherche et Developpement
- Ian Saratovsky
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Metal and tin alloy having low alpha-ray emission, and method for p...
- Patent number 12,000,020
- Issue date Jun 4, 2024
- Mitsubishi Materials Corporation
- Hirotaka Hirano
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Environmentally-friendly compositions and methods for extracting mi...
- Patent number 12,000,016
- Issue date Jun 4, 2024
- LOCUS SOLUTIONS IPCO, LLC
- Sean Farmer
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the purification of waste materials or industrial by-pr...
- Patent number 11,938,527
- Issue date Mar 26, 2024
- amaTEQ Holding GmbH
- Alexander Kehrmann
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
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
Process for the purification of waste materials or industrial by-pr...
- Patent number 11,850,641
- Issue date Dec 26, 2023
- amaTEQ Holding GmbH
- Alexander Kehrmann
- C21 - METALLURGY OF IRON
Information Patent Grant
Recovery of critical metals from SX-EW copper raffinate and other s...
- Patent number 11,821,057
- Issue date Nov 21, 2023
- Scandium Internatlonal Mlning Corporatlon
- Willem P. C. Duyvesteyn
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process and system for plasma-induced selective extraction and reco...
- Patent number 11,692,239
- Issue date Jul 4, 2023
- Centre National de la Recherche Scientifique (CNRS)
- Frédéric Rousseau
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Method for disposal of waste printed circuit board thermal cracking...
- Patent number 11,692,238
- Issue date Jul 4, 2023
- Beijing University of Technology
- Yufeng Wu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Chemical process for the recovery of alkaline and zinc-carbon batte...
- Patent number 11,578,387
- Issue date Feb 14, 2023
- EVH S.R.L. IN LIQUIDAZIONE
- Emmanouil Volakakis
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of extracting metals from polymetallic sulphide ores or conc...
- Patent number 11,560,609
- Issue date Jan 24, 2023
- COBRE LAS CRUCES, S.A.U.
- Carlos Frías Gómez
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for the treatment of iron-containing sludge
- Patent number 11,519,053
- Issue date Dec 6, 2022
- Arcelormittal
- Severine Giordana
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for removing fluoride from a zinc-containing solution or sus...
- Patent number 11,512,368
- Issue date Nov 29, 2022
- Montanuniversität Leoben
- Fritz Ludewig
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Treated geothermal brine compositions with reduced concentration of...
- Patent number 11,466,191
- Issue date Oct 11, 2022
- TERRALITHIUM LLC
- Stephen Harrison
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for the recovery of zinc
- Patent number 11,408,054
- Issue date Aug 9, 2022
- TATA STEEL NEDERLAND TECHNOLOGY B.V.
- Johannes Hage
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Extraction methods from refractory ores
- Patent number 11,401,578
- Issue date Aug 2, 2022
- TCM RESEARCH LTD.
- Dmitri S. Terekhov
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of inhibiting degradation of extractant by anhydrous environ...
- Patent number 11,359,260
- Issue date Jun 14, 2022
- KOREA RESOURCES CORPORATION
- Jeon Woong An
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of inhibiting degradation of DSX extractant by auxiliary means
- Patent number 11,359,258
- Issue date Jun 14, 2022
- KOREA RESOURCES CORPORATION
- Jeon Woong An
- 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

Patents Applicationslast 30 patents

Information Patent Application
Compositions and processes for the extraction of metals using non-a...
- Publication number 20250137090
- Publication date May 1, 2025
- ARGO NATURAL RESOURCES LIMITED
- Robert HARRIS
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD OF RECYCLING MIXED ALLOY SCRAP PARTS
- Publication number 20250115976
- Publication date Apr 10, 2025
- FORD GLOBAL TECHNOLOGIES, L.L.C.
- Constantin Chiriac
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
TREATMENT OF ZINC LEACH RESIDUE
- Publication number 20250084503
- Publication date Mar 13, 2025
- GLENCORE TECHNOLOGY PTY LIMITED
- Alistair Stewart BURROWS
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Geothermally Powered Hydrometallurgical Zinc Production
- Publication number 20250059623
- Publication date Feb 20, 2025
- EnhancedGEO Holdings, LLC
- Greg Lindberg
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Geothermally Powered Pyrometallurgical Zinc Production
- Publication number 20250060163
- Publication date Feb 20, 2025
- EnhancedGEO Holdings, LLC
- Greg Lindberg
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Zinc Production Powered by Geothermal Energy
- Publication number 20250059622
- Publication date Feb 20, 2025
- EnhancedGEO Holdings, LLC
- Greg Lindberg
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Hydrometallurgical process for waste materials of the zinc and stee...
- Publication number 20250034677
- Publication date Jan 30, 2025
- Teknologian Tutkimuskeskus VTT Oy
- Teppo Riihimäki
- 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
Method for the Separation of Zinc and Iron from Electric Arc Furnac...
- Publication number 20250011897
- Publication date Jan 9, 2025
- Sand Spirit LLC
- William Rusty Sutterlin
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Process for Transition Metal Oxide Reduction
- Publication number 20240401168
- Publication date Dec 5, 2024
- Helios Project Ltd.
- Jonathan Hausner
- C21 - METALLURGY OF IRON
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
Process for the Production of Zinc Oxide Concentrate and Iron Ecosi...
- Publication number 20240368731
- Publication date Nov 7, 2024
- Juarez Linhares
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR REMOVING HALIDE FROM WAELZ OXIDE
- Publication number 20240368729
- Publication date Nov 7, 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 MANUFACTURING HIGH-GRADE REFINED IRON OXIDE FROM IRON OX...
- Publication number 20240344173
- Publication date Oct 17, 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 RECOVERING IRON AND VALUABLE METALS FROM ELECTRIC ARC FU...
- Publication number 20240327936
- Publication date Oct 3, 2024
- KOREA ZINC CO., LTD.
- Heon Sik CHOI
- C21 - METALLURGY OF IRON
Information Patent Application
Environmentally-Friendly Compositions and Methods for Extracting Mi...
- Publication number 20240318278
- Publication date Sep 26, 2024
- Locus Solutions IPCo, LLC
- Sean FARMER
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
TREATED GEOTHERMAL BRINE COMPOSITIONS WITH REDUCED CONCENTRATION OF...
- Publication number 20240271026
- Publication date Aug 15, 2024
- TERRALITHIUM LLC
- Stephen Harrison
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
IMPROVED METHOD FOR RECYCLING ZINC (ZN)
- Publication number 20240263269
- Publication date Aug 8, 2024
- REAZN BELGIUM
- Jean GOUVERNEYRE
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
PROCESS AND PLANT FOR RECYCLING ZINC OXIDE RESIDUES
- Publication number 20240240283
- Publication date Jul 18, 2024
- METSO METALS OY
- Jochen GÜNTNER
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
DEVICE FOR PREPARING ULTRA-HIGH-PURITY ZINC BASED ON INTELLIGENTLY-...
- Publication number 20240229193
- Publication date Jul 11, 2024
- XI'AN JIAOTONG UNIVERSITY
- Shengqiang MA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
DEVICE FOR PREPARING ULTRA-HIGH-PURITY ZINC BASED ON INTELLIGENTLY-...
- Publication number 20240132997
- Publication date Apr 25, 2024
- XI'AN JIAOTONG UNIVERSITY
- Shengqiang MA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
AUTOCLAVE AND PRESSURE OXIDATION METHOD
- Publication number 20240110258
- Publication date Apr 4, 2024
- Metso Outotec Finland Oy
- Marko Latva-Kokko
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
A PROCESS FOR TRANSITION METAL OXIDE REDUCTION
- Publication number 20240043960
- Publication date Feb 8, 2024
- Helios Project Ltd.
- Jonathan Hausner
- C21 - METALLURGY OF IRON
Information Patent Application
ZINC RECOVERY METHOD
- Publication number 20240044029
- Publication date Feb 8, 2024
- JGC Corporation
- Kenzo Sauda
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
ZINC RECOVERY METHOD
- Publication number 20240035114
- Publication date Feb 1, 2024
- CHUGAI RO CO., LTD.
- Yoshifumi ITO
- 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
METHOD OF REMOVING VOLATILE CONSTITUENTS FROM AN INDUSTRIAL DUST, A...
- Publication number 20230332266
- Publication date Oct 19, 2023
- Montanuniversitat Leoben
- Jürgen ANTREKOWITSCH
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
SUSTAINABLE METHOD FOR RECYCLING SMELTING WORKS DUSTS AND SLUDGES T...
- Publication number 20230295765
- Publication date Sep 21, 2023
- ThyssenKrupp Steel Europe AG
- Andreas TEBECK
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
LOW TEMPERATURE REDUCTION OF METAL OXIDES
- Publication number 20230295767
- Publication date Sep 21, 2023
- KINALTEK PTY. LTD.
- Jawad Haidar
- B22 - CASTING POWDER METALLURGY
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

Obtaining zinc or zinc oxide

Industry

Parent Industries

Current Industry

Sub Industries

Patents Grantslast 30 patents

Polymetallic-ore beneficiation and separation reagent, preparation...

Process for the recovery of zinc from zinc-bearing raw materials

Low temperature reduction of metal oxides

Treated geothermal brine compositions with reduced concentrations o...

Method for removing arsenic from copper smelting soot and comprehen...

Treated geothermal brine compositions with reduced concentration of...

Process for recovering non-ferrous metals from industrial mineral r...

Process for recovering components from alkaline batteries

Process for transition metal oxide reduction

Method for the treatment of iron-containing sludge

Pyro-metallurgical process in a rotary kiln

Metal and tin alloy having low alpha-ray emission, and method for p...

Environmentally-friendly compositions and methods for extracting mi...

Process for the purification of waste materials or industrial by-pr...

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

Process for the purification of waste materials or industrial by-pr...

Recovery of critical metals from SX-EW copper raffinate and other s...

Process and system for plasma-induced selective extraction and reco...

Method for disposal of waste printed circuit board thermal cracking...

Chemical process for the recovery of alkaline and zinc-carbon batte...

Method of extracting metals from polymetallic sulphide ores or conc...

Method for the treatment of iron-containing sludge

Method for removing fluoride from a zinc-containing solution or sus...

Treated geothermal brine compositions with reduced concentration of...

Method for the recovery of zinc

Extraction methods from refractory ores

Method of inhibiting degradation of extractant by anhydrous environ...

Method of inhibiting degradation of DSX extractant by auxiliary means

Method of inhibiting extractant degradation by controlling extracti...

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

Patents Applicationslast 30 patents

Compositions and processes for the extraction of metals using non-a...

METHOD OF RECYCLING MIXED ALLOY SCRAP PARTS

TREATMENT OF ZINC LEACH RESIDUE

Geothermally Powered Hydrometallurgical Zinc Production

Geothermally Powered Pyrometallurgical Zinc Production

Zinc Production Powered by Geothermal Energy

Hydrometallurgical process for waste materials of the zinc and stee...

METHOD FOR RECOVERING VALUABLE MATERIALS FROM BATTERIES

Method for the Separation of Zinc and Iron from Electric Arc Furnac...

Process for Transition Metal Oxide Reduction

METHOD FOR REMOVING CHLORINE IN ZINC HYDROMETALLURGY

Process for the Production of Zinc Oxide Concentrate and Iron Ecosi...

METHOD FOR REMOVING HALIDE FROM WAELZ OXIDE

METHOD FOR MANUFACTURING HIGH-GRADE REFINED IRON OXIDE FROM IRON OX...

METHOD FOR RECOVERING IRON AND VALUABLE METALS FROM ELECTRIC ARC FU...

Environmentally-Friendly Compositions and Methods for Extracting Mi...

TREATED GEOTHERMAL BRINE COMPOSITIONS WITH REDUCED CONCENTRATION OF...

IMPROVED METHOD FOR RECYCLING ZINC (ZN)

PROCESS AND PLANT FOR RECYCLING ZINC OXIDE RESIDUES

DEVICE FOR PREPARING ULTRA-HIGH-PURITY ZINC BASED ON INTELLIGENTLY-...

DEVICE FOR PREPARING ULTRA-HIGH-PURITY ZINC BASED ON INTELLIGENTLY-...

AUTOCLAVE AND PRESSURE OXIDATION METHOD

A PROCESS FOR TRANSITION METAL OXIDE REDUCTION

ZINC RECOVERY METHOD

ZINC RECOVERY METHOD

ENERGY EFFICIENT SALT-FREE RECOVERY OF METAL FROM DROSS

METHOD OF REMOVING VOLATILE CONSTITUENTS FROM AN INDUSTRIAL DUST, A...

SUSTAINABLE METHOD FOR RECYCLING SMELTING WORKS DUSTS AND SLUDGES T...

LOW TEMPERATURE REDUCTION OF METAL OXIDES

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