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1. (WO2018140326) METHOD FOR CARBON DIOXIDE METHANATION USING RH PLASMONIC PHOTOCATALYST
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Pub. No.: WO/2018/140326 International Application No.: PCT/US2018/014545
Publication Date: 02.08.2018 International Filing Date: 19.01.2018
IPC:
B01J 21/04 (2006.01) ,B01J 23/46 (2006.01) ,C07C 1/12 (2006.01) ,C10L 3/08 (2006.01)
B PERFORMING OPERATIONS; TRANSPORTING
01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
J
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
21
Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
02
Boron or aluminium; Oxides or hydroxides thereof
04
Alumina
B PERFORMING OPERATIONS; TRANSPORTING
01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
J
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
23
Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/113
38
of noble metals
40
of the platinum group metals
46
Ruthenium, rhodium, osmium or iridium
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
1
Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
02
from oxides of carbon
12
from carbon dioxide with hydrogen
C CHEMISTRY; METALLURGY
10
PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
L
FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K123; LIQUEFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
3
Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclasses C10G, C10K108; Liquefied petroleum gas
06
Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04139
08
Production of synthetic natural gas
Applicants:
DUKE UNIVERSITY [US/US]; 2812 Erwin Road Suite 306 Durham, NC 27705, US
Inventors:
LIU, Jie; US
YANG, Weitao; US
ZHANG, Xiao; US
LI, Lucy Xueqian; US
Agent:
BREYER, Wayne S.; US
Priority Data:
62/448,64520.01.2017US
Title (EN) METHOD FOR CARBON DIOXIDE METHANATION USING RH PLASMONIC PHOTOCATALYST
(FR) PROCÉDÉ DE MÉTHANATION DE DIOXYDE DE CARBONE À L'AIDE D'UN PHOTOCATALYSEUR PLASMONIQUE AU RH
Abstract:
(EN) A method for hydrogenating carbon dioxide to methane comprises providing a rhodium photocatalyst having rhodium nanoparticles on a metal oxide support, conditioning the rhodium photocatalyst, exposing the rhodium photocatalyst to hydrogen gas and carbon dioxide gas, and illuminating the rhodium photocatalyst with blue light or ultraviolet light. In some embodiments, the rhodium nanoparticles are in the form of nano-cubes and the intensity of illumination is sufficient to cause the reaction rate of methane to have a super-linear dependence on illumination intensity,
(FR) Un procédé d'hydrogénation de dioxyde de carbone en méthane consiste à utiliser un photocatalyseur au rhodium ayant des nanoparticules de rhodium sur un support d'oxyde métallique, à conditionner le photocatalyseur au rhodium, à exposer le photocatalyseur au rhodium à de l'hydrogène gazeux et à du dioxyde de carbone gazeux, et à éclairer le photocatalyseur au rhodium avec une lumière bleue ou une lumière ultraviolette. Dans certains modes de réalisation, les nanoparticules de rhodium se présentent sous la forme de nanocubes et l'intensité d'éclairage est suffisante pour amener le taux de réaction du méthane à avoir une dépendance super-linéaire sur l'intensité d'éclairage.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)