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1. WO2020109595 - ELECTROCHEMICAL REACTOR AND ITS CLEANING OR REGENERATION

Publication Number WO/2020/109595
Publication Date 04.06.2020
International Application No. PCT/EP2019/083163
International Filing Date 29.11.2019
IPC
C25B 3/04 2006.01
CCHEMISTRY; METALLURGY
25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON- METALS; APPARATUS THEREFOR
3Electrolytic production of organic compounds
04by reduction
C25B 9/16 2006.01
CCHEMISTRY; METALLURGY
25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON- METALS; APPARATUS THEREFOR
9Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies
16Cells or assemblies of cells comprising at least one electrode made of particles; Assemblies of constructional parts thereof
C25B 15/08 2006.01
CCHEMISTRY; METALLURGY
25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON- METALS; APPARATUS THEREFOR
15Operating or servicing of cells
08Supplying or removing reactants or electrolytes; Regeneration of electrolytes
D06P 1/22 2006.01
DTEXTILES; PAPER
06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
PDYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
1General processes of dyeing or printing textiles or general processes of dyeing leather, furs or solid macromolecular substances in any form, classified according to the dyes, pigments or auxiliary substances employed
22using vat dyestuffs
D06P 5/20 2006.01
DTEXTILES; PAPER
06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
PDYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
5Other features in dyeing or printing textiles or dyeing leather, furs or solid macromolecular substances in any form
20Physical treatments affecting dyeing, e.g. ultrasonic or electric
CPC
C25B 15/08
CCHEMISTRY; METALLURGY
25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
15Operating or servicing of cells
08Supplying or removing reactants or electrolytes; Regeneration of electrolytes
C25B 3/04
CCHEMISTRY; METALLURGY
25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
3Electrolytic production of organic compounds
04by reduction
C25B 9/162
CCHEMISTRY; METALLURGY
25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
9Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies
16Cells or assemblies of cells comprising at least one electrode made of particles; Assemblies of constructional parts thereof
162comprising fluidised bed electrodes
D06P 1/221
DTEXTILES; PAPER
06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
PDYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
1General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
22using vat dyestuffs ; including indigo
221Reducing systems; Reducing catalysts
D06P 1/228
DTEXTILES; PAPER
06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
PDYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
1General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
22using vat dyestuffs ; including indigo
228Indigo
D06P 5/2011
DTEXTILES; PAPER
06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
PDYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
5Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
20Physical treatments affecting dyeing, e.g. ultrasonic or electric
2011Application of vibrations, pulses or waves for non-thermic purposes
Applicants
  • SEDO ENGINEERING SA [CH]/[CH]
Inventors
  • CRETTENAND, David
  • CHAPPOT, Grégoire
  • CHAPPOT, Ludovic
  • GÜBELI, Herbert
Agents
  • E. BLUM & CO. AG
Priority Data
01478/1830.11.2018CH
01479/1830.11.2018CH
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) ELECTROCHEMICAL REACTOR AND ITS CLEANING OR REGENERATION
(FR) RÉACTEUR ÉLECTROCHIMIQUE ET SON NETTOYAGE OU RÉGÉNÉRATION
Abstract
(EN)
An electrochemical reactor suitable for reducing dye to leucodye, comprises at least four electrolytic cells (4), wherein the electrolytic cells (4) are provided in the form of at least two stacks (5) of at least two electrolytic cells (4) each such that one stack at a time can be separated for cathode or anode regeneration during suspension preparation.
(FR)
La présente invention concerne un réacteur électrochimique, approprié pour la réduction du colorant en colorant leucodérivé, qui comprend au moins quatre cellules électrolytiques (4), les cellules électrolytiques (4) se présentant sous la forme d'au moins deux empilements (5) d'au moins deux cellules électrolytiques (4), de telle sorte qu'un empilement à la fois puisse être séparé pour la régénération de la cathode ou de l'anode pendant la préparation de la suspension.
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