BRPI1005365A2 - processo de restauração de membrana, membrana restaurada e método para proteger um catodo de uma célula da corrosão - Google Patents

processo de restauração de membrana, membrana restaurada e método para proteger um catodo de uma célula da corrosão

Info

Publication number
BRPI1005365A2
BRPI1005365A2 BRPI1005365A BRPI1005365A BRPI1005365A2 BR PI1005365 A2 BRPI1005365 A2 BR PI1005365A2 BR PI1005365 A BRPI1005365 A BR PI1005365A BR PI1005365 A BRPI1005365 A BR PI1005365A BR PI1005365 A2 BRPI1005365 A2 BR PI1005365A2
Authority
BR
Brazil
Prior art keywords
membrane restoration
cathode
corrosion
protect
cell
Prior art date
Application number
BRPI1005365A
Other languages
English (en)
Inventor
Jianqing Zhou
Original Assignee
Dow Global Technologies Llc
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 Dow Global Technologies Llc filed Critical Dow Global Technologies Llc
Publication of BRPI1005365A2 publication Critical patent/BRPI1005365A2/pt
Publication of BRPI1005365A8 publication Critical patent/BRPI1005365A8/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
    • B01D61/44—Ion-selective electrodialysis
    • B01D61/52—Accessories; Auxiliary operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/16—Use of chemical agents
    • B01D2321/162—Use of acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Water Supply & Treatment (AREA)
  • Health & Medical Sciences (AREA)
  • Urology & Nephrology (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Working Measures On Existing Buildindgs (AREA)
BRPI1005365A 2009-01-23 2010-01-15 Processo de restauração de membrana, membrana restaurada e método para proteger um catodo de uma célula da corrosão BRPI1005365A8 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US20575409P 2009-01-23 2009-01-23
PCT/US2010/000094 WO2010085320A1 (en) 2009-01-23 2010-01-15 Membrane restoration

Publications (2)

Publication Number Publication Date
BRPI1005365A2 true BRPI1005365A2 (pt) 2016-02-10
BRPI1005365A8 BRPI1005365A8 (pt) 2017-10-03

Family

ID=41727346

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI1005365A BRPI1005365A8 (pt) 2009-01-23 2010-01-15 Processo de restauração de membrana, membrana restaurada e método para proteger um catodo de uma célula da corrosão

Country Status (8)

Country Link
US (1) US8535509B2 (pt)
EP (1) EP2389236A1 (pt)
JP (1) JP5628834B2 (pt)
KR (1) KR20110107394A (pt)
CN (1) CN102292143A (pt)
BR (1) BRPI1005365A8 (pt)
TW (1) TWI529998B (pt)
WO (1) WO2010085320A1 (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SA113340167B1 (ar) * 2012-01-06 2015-10-29 بلو كوب آي بي ال ال سي طريقة لتنظيف خلية كهركيميائية غشائية تحتوي على الكلور
WO2023133270A1 (en) * 2022-01-06 2023-07-13 Electric Hydrogen Co. Mitigation of electric short circuit in a polymer electrolyte membrane water electrolyzer
CA3242180A1 (en) * 2022-02-04 2023-08-10 Electric Hydrogen Co. Methods and systems for monitoring electrochemical cell performance and cleaning metal ions from proton exchange membrane water electrolyzers

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3630863A (en) * 1968-11-13 1971-12-28 Ppg Industries Inc Cell diaphragm treatment
US4040919A (en) * 1974-10-29 1977-08-09 Hooker Chemicals & Plastics Corporation Voltage reduction of membrane cell for the electrolysis of brine
US3988223A (en) * 1975-10-28 1976-10-26 Basf Wyandotte Corporation Unplugging of electrolysis diaphragms
JPS558413A (en) * 1978-06-30 1980-01-22 Toagosei Chem Ind Co Ltd Protecting method of stop electrolytic cell
JPS5522311A (en) * 1978-08-04 1980-02-18 Tokuyama Soda Co Ltd Regeneration of ion exchange membrane
JPS6051395B2 (ja) * 1978-09-21 1985-11-13 東亞合成株式会社 陽イオン交換膜の再生方法
JPS5673547A (en) * 1979-11-16 1981-06-18 Asahi Glass Co Ltd Regeneration of anion exchange membrane
US4381230A (en) * 1981-06-22 1983-04-26 The Dow Chemical Company Operation and regeneration of permselective ion-exchange membranes in brine electrolysis cells
US4919791A (en) * 1985-04-25 1990-04-24 Olin Corporation Controlled operation of high current density oxygen consuming cathode cells to prevent hydrogen formation
JPH0674513B2 (ja) 1985-10-23 1994-09-21 旭化成工業株式会社 複極式電解槽ユニツト
JPH0456794A (ja) * 1990-06-27 1992-02-24 Toagosei Chem Ind Co Ltd イオン交換膜の性能回復方法
JPH0463143A (ja) * 1990-07-02 1992-02-28 Toagosei Chem Ind Co Ltd イオン交換膜の性能回復法
US5503663A (en) 1994-11-30 1996-04-02 The Dow Chemical Company Sable coating solutions for coating valve metal anodes
US5645930A (en) 1995-08-11 1997-07-08 The Dow Chemical Company Durable electrode coatings
JP2000001794A (ja) 1998-06-15 2000-01-07 Asahi Glass Co Ltd 食塩水の電解方法
JP2006052434A (ja) 2004-08-10 2006-02-23 Kaneka Corp 食塩水電解槽の性能回復方法ならびに該方法により処理された含フッ素陽イオン交換膜を用いた生産苛性ソーダ溶液および塩素の製造方法
CN1736567A (zh) 2005-07-12 2006-02-22 上海氯碱化工股份有限公司 一种氯碱用全氟离子膜再生方法

Also Published As

Publication number Publication date
US8535509B2 (en) 2013-09-17
EP2389236A1 (en) 2011-11-30
TW201029246A (en) 2010-08-01
BRPI1005365A8 (pt) 2017-10-03
JP2012515848A (ja) 2012-07-12
TWI529998B (zh) 2016-04-11
CN102292143A (zh) 2011-12-21
WO2010085320A1 (en) 2010-07-29
KR20110107394A (ko) 2011-09-30
JP5628834B2 (ja) 2014-11-19
US20100187127A1 (en) 2010-07-29

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Legal Events

Date Code Title Description
B25A Requested transfer of rights approved

Owner name: BLUE CUBE IP LLC (US)

B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]
B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]
B350 Update of information on the portal [chapter 15.35 patent gazette]