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1. WO2022256361 - ENHANCED CO2 ADSORPTION USING TRANSITION METALS SUCH AS RU AND NI AND THEIR OXIDES IN COMBINATION WITH ALKALINE METAL OXIDES AND HIGH SURFACE AREA CARRIERS

Publication Number WO/2022/256361
Publication Date 08.12.2022
International Application No. PCT/US2022/031703
International Filing Date 01.06.2022
IPC
B01D 53/04 2006.1
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
02by adsorption, e.g. preparative gas chromatography
04with stationary adsorbents
C07C 1/12 2006.1
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
1Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
02from oxides of carbon
12from carbon dioxide with hydrogen
B01D 53/02 2006.1
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
02by adsorption, e.g. preparative gas chromatography
F01N 3/08 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
3Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
08for rendering innocuous
C01B 32/40 2017.1
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF
32Carbon; Compounds thereof
40Carbon monoxide
CPC
C01B 32/40
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; ; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
32Carbon; Compounds thereof
40Carbon monoxide
Y02C 20/40
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
CCAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
20Capture or disposal of greenhouse gases
40of CO2
Applicants
  • THE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK [US]/[US]
  • JEONG-POTTER, Chae [KR]/[US]
  • ARELLANO-TREVINO, Martha [MX]/[US]
  • FARRAUTO, Robert, J. [US]/[US]
Inventors
  • JEONG-POTTER, Chae
  • ARELLANO-TREVINO, Martha
  • FARRAUTO, Robert, J.
Agents
  • GANGEMI, Anthony, P.
Priority Data
63/195,39901.06.2021US
63/197,70807.06.2021US
63/299,82614.01.2022US
63/346,02826.05.2022US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) ENHANCED CO2 ADSORPTION USING TRANSITION METALS SUCH AS RU AND NI AND THEIR OXIDES IN COMBINATION WITH ALKALINE METAL OXIDES AND HIGH SURFACE AREA CARRIERS
(FR) ADSORPTION DE CO2 AMÉLIORÉE À L'AIDE DE MÉTAUX DE TRANSITION TELS QUE LE RU ET LE NI ET LEURS OXYDES EN COMBINAISON AVEC DES OXYDES DE MÉTAL ALCALIN ET DES SUPPORTS À SURFACE ÉLEVÉE
Abstract
(EN) A dual function material is provided that captures carbon dioxide from ambient air, i.e., direct air capture, and converts the CO2 to a desired product such as methane. The material includes a high surface area carrier such as AI2O3 upon which catalysts and alkaline adsorbents are positioned proximate each other. In the presence of reactive gas such as hydrogen, the catalysts reduce the adjacent adsorbents to generate additional active sites and enhance the amount of CO2 captured by the material. Once the material becomes saturated with CO2, hydrogen is reintroduced to reduce the catalyst, such as ruthenium, at which time the adsorbed CO2 can migrate from the adsorbent to the catalyst for catalytic conversion to methane. The materials can be employed in isothermal, cyclic reactor systems where target species are bound and then desorbed to reactivate the material, e.g., bind more target species for desorption and/or conversion to additional product.
(FR) La présente invention concerne un matériau à double fonction qui capture le dioxyde de carbone de l'air ambiant, c'est-à-dire la capture directe de l'air, et convertit le CO2 en un produit souhaité tel que le méthane. Le matériau comprend un support à surface élevée tel que Al2O3 sur lequel des catalyseurs et des adsorbants alcalins sont placés à proximité l'un de l'autre. En présence de gaz réactif tel que l'hydrogène, les catalyseurs réduisent les adsorbants adjacents pour générer des sites actifs supplémentaires et améliorent la quantité de CO2 capturé par le matériau. Une fois que le matériau est saturé en CO2, l'hydrogène est réintroduit pour réduire le catalyseur, tel que le ruthénium, et le CO2 adsorbé peut alors migrer de l'adsorbant vers le catalyseur pour une conversion catalytique en méthane. Les matériaux peuvent être utilisés dans des systèmes de réacteurs cycliques isothermes où des espèces cibles sont liées et ensuite désorbées pour réactiver le matériau, par exemple, se lier à des espèces cibles pour la désorption et/ou la conversion en un produit supplémentaire.
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