EP 3670706 A1 20200624 - METHOD FOR THE MEMBRANE ELECTROLYSIS OF ALKALI CHLORIDE SOLUTIONS WITH GAS DIFFUSION ELECTRODE
Title (en)
METHOD FOR THE MEMBRANE ELECTROLYSIS OF ALKALI CHLORIDE SOLUTIONS WITH GAS DIFFUSION ELECTRODE
Title (de)
VERFAHREN ZUR MEMBRAN-ELEKTROLYSE VON ALKALICHLORIDLÖSUNGEN MIT GASDIFFUSIONSELEKTRODE
Title (fr)
PROCÉDÉ D'ÉLECTROLYSE À MEMBRANE DE SOLUTIONS DE CHLORURE ALCALIN À L'AIDE D'UNE ÉLECTRODE À DIFFUSION GAZEUSE
Publication
Application
Priority
EP 18213272 A 20181218
Abstract (en)
[origin: WO2020127021A2] The invention relates to processes for the electrolysis of alkali chlorides by means of oxygen-depolarized electrodes, said processes having specific operating parameters for shut-down and restarting.
Abstract (de)
Es werden Verfahren zur Elektrolyse von Alkalichloriden mit Sauerstoffverzehrelektroden mit besonderen Betriebsparameter für die Außerbetriebnahme und Wiederinbetriebnahme beschrieben.
IPC 8 full level
C25B 1/46 (2006.01); C25B 9/19 (2021.01); C25B 15/00 (2006.01)
CPC (source: EP KR US)
C25B 1/46 (2013.01 - EP KR US); C25B 9/19 (2021.01 - EP KR US); C25B 9/65 (2021.01 - KR US); C25B 11/032 (2021.01 - KR US); C25B 11/081 (2021.01 - KR US); C25B 13/00 (2013.01 - KR US); C25B 15/00 (2013.01 - EP); C25B 15/027 (2021.01 - KR US); C25B 15/031 (2021.01 - EP KR US)
Citation (applicant)
- WO 0157290 A1 20010809 - UHDENORA TECHNOLOGIES SRL [IT], et al
- JP S553775 B1 19800126
- US 6117286 A 20000912 - SHIMAMUNE TAKAYUKI [JP], et al
- JP 2004300510 A 20041028 - MITSUI CHEMICALS INC, et al
- US 4578159 A 19860325 - MILES RONALD C [US], et al
- US 4364806 A 19821221 - ROGERS DOUGLAS K
- WO 2008009661 A2 20080124 - UHDENORA SPA [IT], et al
- EP 2639337 A2 20130918 - BAYER IP GMBH [DE]
- EP 0263337 A2 19880413 - WESTINGHOUSE ELECTRIC CORP [US]
- EP 0263337 A2 19880413 - WESTINGHOUSE ELECTRIC CORP [US]
- EP 1728896 B1 20120125 - BAYER MATERIALSCIENCE AG [DE]
- MOUSSALLEM ET AL.: "Chlor-Alkali Electrolysis with Oxygen Depolarized Cathodes: History, Present Status and Future Prospects", J. APPL. ELECTROCHEM., vol. 38, 2008, pages 1177 - 1194, XP019606285
Citation (search report)
- [I] EP 2639338 A2 20130918 - BAYER IP GMBH [DE]
- [I] EP 2639339 A2 20130918 - BAYER IP GMBH [DE]
- [ID] EP 2639337 A2 20130918 - BAYER IP GMBH [DE]
- [A] JP S558413 A 19800122 - TOA GOSEI CHEM IND
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 3670706 A1 20200624; EP 3670706 B1 20240221; CN 113166952 A 20210723; CN 113166952 B 20230523; EP 3899101 A2 20211027; JP 2022510916 A 20220128; KR 20210103482 A 20210823; US 2022056594 A1 20220224; WO 2020127021 A2 20200625; WO 2020127021 A3 20200820
DOCDB simple family (application)
EP 18213272 A 20181218; CN 201980084342 A 20191216; EP 19818094 A 20191216; EP 2019085312 W 20191216; JP 2021530211 A 20191216; KR 20217018329 A 20191216; US 201917413544 A 20191216