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1. WO2020109583 - BY-PRODUCTS (IMPURITY) REMOVAL

Publication Number WO/2020/109583
Publication Date 04.06.2020
International Application No. PCT/EP2019/083144
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
01481/1830.11.2018CH
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) BY-PRODUCTS (IMPURITY) REMOVAL
(FR) ÉLIMINATION DE SOUS-PRODUITS (IMPURETÉS)
Abstract
(EN)
An electrolytic reactor comprises at least one electrolytic cell (4) with an anode compartment (42) and a cathode compartment (41) separated by a separator (43), in particular a semipermeable membrane. The anode compartment (42) comprises an inlet (421) and an outlet (422a) for anolyte at opposed ends, said inlet and outlet being connected with each other via an anolyte circulation pipe (33) equipped with a storage means for anolyte, an anolyte vessel (3) and at least one adsorption filter (332) for adsorbing molecular impurities. When molecular impurities comes from the cathode compartment (41) through the separator (43), the electrolytic reactor acts also as cleaning device for the catholyte.
(FR)
L'invention concerne un réacteur électrolytique comprenant au moins une cellule électrolytique (4) présentant un compartiment d'anode (42) et un compartiment de cathode (41) séparés par un séparateur (43), en particulier une membrane semi-perméable. Le compartiment d'anode (42) comprend une entrée (421) et une sortie (422a) pour un anolyte en des extrémités opposées, lesdites entrée et sortie étant reliées l'une à l'autre par l'intermédiaire d'un tuyau de circulation d'anolyte (33) équipé d'un moyen de stockage pour l'anolyte, un récipient d'anolyte (3) et au moins un filtre d'adsorption (332) pour adsorber des impuretés moléculaires. Lorsque des impuretés moléculaires proviennent du compartiment cathodique (41) à travers le séparateur (43), le réacteur électrolytique agit également comme dispositif de nettoyage pour le catholyte.
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