MY165960A - Method for exfoliating coating layer of electrode for electrolysis - Google Patents

Method for exfoliating coating layer of electrode for electrolysis

Info

Publication number
MY165960A
MY165960A MYPI2014001298A MYPI2014001298A MY165960A MY 165960 A MY165960 A MY 165960A MY PI2014001298 A MYPI2014001298 A MY PI2014001298A MY PI2014001298 A MYPI2014001298 A MY PI2014001298A MY 165960 A MY165960 A MY 165960A
Authority
MY
Malaysia
Prior art keywords
electrode
coating layer
substrate
titanium
valve
Prior art date
Application number
MYPI2014001298A
Inventor
Nobuyuki Kawaguchi
Kenichi Ueno
Tamotsu Hayashi
Miho Kagami
Original Assignee
Industrie De Nora Spa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Industrie De Nora Spa filed Critical Industrie De Nora Spa
Publication of MY165960A publication Critical patent/MY165960A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B15/00—Operating or servicing cells
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
    • C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
    • C25C7/06—Operating or servicing

Landscapes

  • Chemical & Material Sciences (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • ing And Chemical Polishing (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

THE PRESENT INVENTION RELATES TO A METHOD TO EFFECTIVELY EXFOLIATE A COATING LAYER FROM THE SURFACE OF THE CONDUCTIVE SUBSTRATE COMPRISING TITANIUM OR TITANIUM ALLOY SUBSTRATE MATERIAL OF A USED ELECTRODE FOR ELECTROLYSIS COMPRISING AN INSOLUBLE METAL ELECTRODE HAVING THE COATING LAYER CONTAINING ELECTRODE SUBSTANCE COMPRISING NOBLE METALS AND/OR THEIR METAL OXIDES ON THE SURFACE OF THE USED ELECTRODE SUBSTRATE COMPRISING VALVE METALS, SUCH AS TITANIUM AND TANTALUM OR VALVE METAL ALLOYS AND THEN TO RECOVER THE ELECTRODE SUBSTANCES AND/OR ELECTRODE SUBSTRATES FOR RECYCLING USE. A METHOD FOR EXFOLIATING THE COATING LAYER FROM THE SURFACE OF THE ELECTRODE SUBSTRATE, CHARACTERIZED IN THAT IN THE EXFOLIATION METHOD FOR THE COATING LAYER FROM THE SURFACE OF THE ELECTRODE SUBSTRATE, WHEREIN THE INSOLUBLE METAL ELECTRODE SURFACE HAVING THE COATING LAYER CONTAINING ELECTRODE SUBSTANCE COMPRISING NOBLE METALS AND/OR METAL OXIDES THEREOF ON THE SURFACE OF THE ELECTRODE SUBSTRATE COMPRISING VALVE METALS INCLUDING TITANIUM AND TANTALUM OR VALVE METAL ALLOYS IS TREATED, IN SUCCESSION, WITH THE ALKALI TREATMENT PROCESS USING A CAUSTIC ALKALI AQUEOUS SOLUTION, THE HEATING AND BAKING PROCESS AND THE ACID TREATMENT PROCESS BY IMMERSION IN HYDROCHLORIC ACID, SULFURIC ACID, NITRIC ACID OR THE MIXTURE THEREOF, THE ALKALI TREATMENT PROCESS IS CONDUCTED BY APPLYING AN ALKALI TREATMENT SOLUTION PREPARED BY ADDING THICKENER TO THE CAUSTIC ALKALI AQUEOUS SOLUTION. (FIGURE 1)
MYPI2014001298A 2011-11-21 2012-11-20 Method for exfoliating coating layer of electrode for electrolysis MY165960A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011253772 2011-11-21

Publications (1)

Publication Number Publication Date
MY165960A true MY165960A (en) 2018-05-18

Family

ID=47430002

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI2014001298A MY165960A (en) 2011-11-21 2012-11-20 Method for exfoliating coating layer of electrode for electrolysis

Country Status (9)

Country Link
US (1) US20140305468A1 (en)
EP (1) EP2783025B1 (en)
JP (1) JP5651252B2 (en)
KR (1) KR101583176B1 (en)
CN (1) CN103946424A (en)
MY (1) MY165960A (en)
PL (1) PL2783025T3 (en)
TR (1) TR201904606T4 (en)
WO (1) WO2013077454A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7284938B2 (en) 2018-11-21 2023-06-01 株式会社大阪ソーダ Method for removing electrode surface deposits containing lead compounds from electrodes for electrolysis to which lead compounds are attached
CN110016676B (en) * 2019-04-15 2021-11-02 广州鸿葳科技股份有限公司 Regenerated titanium anode and preparation method thereof
CN110241442B (en) * 2019-06-14 2021-03-02 中国环境科学研究院 Complete technical method for intelligent source reduction of heavy metal pollutants in high-lead anode slime
CN112680749B (en) * 2020-12-21 2021-09-28 江苏时代华宜电子科技有限公司 Noble metal recovery process based on vacuum sputtering chamber

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA662524B (en) * 1965-12-28
GB1214579A (en) * 1968-02-28 1970-12-02 Chemner Ag Improvements in or relating to the re-constitution of electrodes
JPS59123730A (en) 1982-12-28 1984-07-17 Permelec Electrode Ltd Method for recovering iridium from metallic electrode
GB8813552D0 (en) * 1988-06-08 1988-07-13 Unilever Plc Thickening system
US6337366B1 (en) * 1999-03-25 2002-01-08 Rohm And Haas Method of improving viscosity stability of aqueous compositions
JP4450942B2 (en) 2000-04-13 2010-04-14 株式会社フルヤ金属 Method for recovering precious metals from metal electrodes
JP4450945B2 (en) 2000-04-20 2010-04-14 株式会社フルヤ金属 Method for recovering precious metals from metal electrodes
JP4607303B2 (en) 2000-09-13 2011-01-05 株式会社フルヤ金属 Method for recovering platinum group metals from metal electrodes
JP2002194581A (en) 2000-12-27 2002-07-10 Furuya Kinzoku:Kk Method for recovering platinum group metal from metal electrode
JP4700815B2 (en) 2001-01-12 2011-06-15 株式会社フルヤ金属 Method for recovering platinum group metals from metal electrodes
US20060089281A1 (en) 2004-09-01 2006-04-27 Gibson Gregory L Methods and compositions for paint removal
JP4465685B2 (en) 2006-09-28 2010-05-19 有限会社シーエス技術研究所 Insoluble electrode recovery method
JP5115936B2 (en) 2009-07-14 2013-01-09 有限会社シーエス技術研究所 Method for collecting insoluble metal electrode

Also Published As

Publication number Publication date
WO2013077454A3 (en) 2013-07-18
WO2013077454A2 (en) 2013-05-30
JP2014509347A (en) 2014-04-17
KR101583176B1 (en) 2016-01-07
KR20140098159A (en) 2014-08-07
EP2783025B1 (en) 2019-02-06
EP2783025A2 (en) 2014-10-01
US20140305468A1 (en) 2014-10-16
CN103946424A (en) 2014-07-23
TR201904606T4 (en) 2019-04-22
PL2783025T3 (en) 2019-08-30
JP5651252B2 (en) 2015-01-07

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