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1. WO2020109295 - A PROCESS FOR ELECTROCHEMICAL CONVERSION OF CARBON DIOXIDE

Publication Number WO/2020/109295
Publication Date 04.06.2020
International Application No. PCT/EP2019/082562
International Filing Date 26.11.2019
IPC
B01D 53/14 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
53Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols
14by absorption
B01D 53/96 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
53Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols
34Chemical or biological purification of waste gases
96Regeneration, reactivation or recycling of reactants
C25B 1/00 2006.01
CCHEMISTRY; METALLURGY
25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON- METALS; APPARATUS THEREFOR
1Electrolytic production of inorganic compounds or non-metals
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
H01M 8/0668 2016.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8Fuel cells; Manufacture thereof
06Combination of fuel cells with means for production of reactants or for treatment of residues
0662Treatment of gaseous reactants or gaseous residues, e.g. cleaning
0668Removal of carbon monoxide or carbon dioxide
C01B 32/40 2017.01
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF
32Carbon; Compounds thereof
40Carbon monoxide
CPC
B01D 2251/604
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2251Reactants
60Inorganic bases or salts
604Hydroxides
B01D 2252/204
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2252Absorbents, i.e. solvents and liquid materials for gas absorption
20Organic absorbents
204Amines
B01D 2252/30
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2252Absorbents, i.e. solvents and liquid materials for gas absorption
30Ionic liquids and zwitter-ions
B01D 2256/20
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2256Main component in the product gas stream after treatment
20Carbon monoxide
B01D 2256/24
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2256Main component in the product gas stream after treatment
24Hydrocarbons
B01D 2256/245
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2256Main component in the product gas stream after treatment
24Hydrocarbons
245Methane
Applicants
  • SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. [NL]/[NL] (AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BE, BF, BG, BH, BJ, BN, BR, BW, BY, BZ, CA, CF, CG, CH, CI, CL, CM, CN, CO, CR, CU, CY, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, FR, GA, GB, GD, GE, GH, GM, GN, GQ, GR, GT, GW, HN, HR, HU, ID, IE, IL, IN, IR, IS, IT, JO, JP, KE, KG, KH, KM, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LT, LU, LV, LY, MA, MC, MD, ME, MG, MK, ML, MN, MR, MT, MW, MX, MY, MZ, NA, NE, NG, NI, NL, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SI, SK, SL, SM, SN, ST, SV, SY, SZ, TD, TG, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, UZ, VC, VN, ZA, ZM, ZW)
  • SHELL OIL COMPANY [US]/[US] (US)
Inventors
  • NEGRO, Emanuela
Agents
  • SHELL LEGAL SERVICES IP
Priority Data
18209512.530.11.2018EP
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) A PROCESS FOR ELECTROCHEMICAL CONVERSION OF CARBON DIOXIDE
(FR) PROCESSUS DE CONVERSION ÉLECTROCHIMIQUE DE DIOXYDE DE CARBONE
Abstract
(EN)
The present invention relates to a process for converting into carbon containingproducts, comprising capturing carbon dioxide from air or flue gases and electrochemically converting the carbon dioxide, wherein (a) the carbon dioxide is introduced into a vessel comprising a liquid sorbent thereby capturing the carbon dioxide in the liquid sorbent; followed by (b) pressurizing the liquid sorbent comprising the captured carbon dioxide by introducing the liquid sorbent into a pump, thereby providing a pressurized carbon dioxide comprising liquid sorbent; followed by (c) feeding the pressurized carbon dioxide comprising liquid sorbent of step (b) to a cathode compartment of an electrolyzer comprising a catalyst, thereby producing carbon containing gaseous products. The process combines sorbent regeneration and carbon dioxide conversion essentially in one step, while at the same time producing pressurized gaseous products. This process is very useful for reducing the carbon dioxide levels in the atmosphere. Further, the present process is an improved process for producing chemicals and/or fuels from carbon dioxide.
(FR)
La présente invention concerne un processus de conversion en produits contenant du carbone, comprenant la capture de dioxyde de carbone à partir d'air ou de gaz de combustion et la conversion électrochimique du dioxyde de carbone, (a) le dioxyde de carbone est introduit dans un récipient comprenant un sorbant liquide, ce qui permet de capturer le dioxyde de carbone dans le sorbant liquide; suivi par (b) mettre sous pression le sorbant liquide comprenant le dioxyde de carbone capturé par introduction du sorbant liquide dans une pompe, fournissant ainsi un dioxyde de carbone sous pression comprenant un sorbant liquide; suivi de (c) alimenter le dioxyde de carbone sous pression comprenant un sorbant liquide de l'étape (b) vers un compartiment de cathode d'un électrolyseur comprenant un catalyseur, ce qui permet de produire des produits gazeux contenant du carbone. Le processus combine la régénération de sorbant et la conversion de dioxyde de carbone essentiellement en une seule étape, tout en produisant simultanément des produits gazeux sous pression. Ce processus est très utile pour réduire les taux de dioxyde de carbone dans l'atmosphère. En outre, le présent processus est un processus amélioré de production de produits chimiques et/ou de carburants à partir de dioxyde de carbone.
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