专利号:US-11697625-B2 优先权日:2020-10-29 标 题:Direct synthesis of light olefins from carbon dioxide using yttria-stabilized zirconia support 发明人:SASMAZ ERDEM; KIM SUNKYU 权利人:UNIV CALIFORNIA 摘要:The present invention features a direct synthesis of light olefins through the hydrogenation of carbon dioxide. In2O3 supported on cubic phase yttria-stabilized zirconia is used as a catalyst and is mixed with a molecular sieve to perform the hydrogenation. The cubic crystal structure of the yttria-stabilized zirconium dioxide is an excellent support for indium oxide particles and prevents their deactivation during CO2 hydrogenation. This direct synthesis route promotes a stable and efficient method for producing light olefins.
专利号:WO-2024123268-A1 优先权日:2022-12-09 标 题 :Production of silver nanoparticles by green synthesis using hazelnut husk extract 发明人:AKDOGAN OZAN; GUNDUZ AKDOGAN NILAY; SIVRI DAMLA; KUREL ALI 权利人:BAHCESEHIR UNIV; PIRI REIS UNIV 摘要:The invention relates to synthesis of nanoparticles from hazelnut husk extract by green synthesis with high efficiency. Use of chemical is limited in the present invention and therefore the synthesis of nanoparticles is provided by green chemistry in the present invention. Said hazelnut may be Corylus and said hazelnut husk may be cob or shell of the hazelnut. In an embodiment of the invention said Corylus may be Colyrus colurna, Corylus americana Corylus avellana, Corylus avellana var. Avellana, Corylus avellana var. Pontica, Corylus chinensis, Corylus colchica, Corylus × colurnoides, Corylus cornuta, Corylus cornuta ssp. californica, Corylus cornuta ssp. cornuta, Corylus fargesii, Corylus ferox, Corylus ferox var. ferox, Corylus ferox var. thibetica, Corylus heterophylla, Corylus heterophylla var. heterophylla, Corylus heterophylla var. sutchuensis, Corylus jacquemontii, Corylus maxima, Corylus potaninii, Corylus sieboldiana, Corylus sieboldiana var. mandshurica, Corylus sieboldiana var. sieboldiana, Corylus wangii, Corylus wulingensis or Corylus yunnanensis.
专利号:US-12049438-B2 优先权日:2020-11-17 标题 :Process for methanol synthesis from CO2-rich syngas 发明人:GRASSO GIACOMO; CURULLA-FERRE DANIEL; STEWART JOSEPH 权利人:TOTALENERGIES ONETECH 摘要:The disclosure describes a process for methanol synthesis remarkable in that it comprises the steps of (a) providing syngas ( 3 ), (b) providing at least one first catalytic composition ( 9 ) comprising at least one first methanol synthesis catalyst; (c) putting into contact said syngas ( 3 ) with said first catalytic composition ( 9 ) under first temperature conditions, to provide a first gaseous effluent ( 15 ); (d) providing at least one second catalytic composition ( 17 ) comprising at least one second methanol synthesis catalyst; (e) putting into contact at least a part of said first gaseous effluent ( 15 ) with said second catalytic composition ( 17 ), to provide a second gaseous effluent ( 23 ) and a second liquid effluent ( 21 ); (f) recovering methanol from first ( 15 ) and/or second ( 23 ) gaseous effluent. The use of a first catalytic composition ( 9 ) that comprises at least one first methanol synthesis catalyst in such a process for methanol synthesis is also described.
专利号:US-2024215280-A1 优先权日:2022-10-31 标 题:In situ core/shell perovskite nanocrystal material, method of preparation thereof, and light emitting device comprising the same 发明人:LEE TAE-WOO; KIM JOO SUNG 权利人:SEOUL NAT UNIV R&DB FOUNDATION; PEROLED CO LTD 摘要:The present inventive concept relates to an in situ core/shell perovskite nanocrystal film formed by an in situ nanocrystal synthesis process, a method for producing the same, and a light emitting device comprising the same as a light-emitting layer. The in situ core/shell perovskite nanocrystal film formed by the in situ nanocrystal synthesis process according to the present inventive concept exhibits a strong charge confinement effect by nanocrystal formation, and can simultaneously greatly improve the luminescence efficiency and lifetime by maintaining the fast charge transport capability of polycrystalline perovskite.
专利号:US-10676416-B2 优先权日:2016-01-07 标 题:Process for methanol synthesis using an indium oxide based catalyst 发明人:CURULLA-FERRE DANIEL; DROUILLY CHARLOTTE; MARTIN OLIVER; MONDELLI CECILIA; PEREZ-RAMIREZ JAVIER; MARTIN-FERNANDEZ ANTONIO J 权利人:TOTAL RAFFINAGE CHIMIE; ETH ZUERICH 摘要:The invention relates to a process for methanol synthesis comprising the steps of providing a syngas feed stream comprising hydrogen and a mixture of carbon dioxide and carbon monoxide, wherein carbon dioxide represents from 1 to 50 mol % of the total molar content of the feed stream, carbon monoxide is contained from 0.1 to 85 mol % of the total molar content, and H2 is comprised from 5 to 95 mol % of the total molar content of the feed stream; providing an indium oxide catalyst selected from a bulk catalyst and a supported catalyst comprising indium oxide (In2O3) as the main active phase; putting in contact said stream with said catalyst at a reaction temperature of at least 373 K (99.85° C.) and under a pressure ranging of at least 1 MPa; and recovering the methanol effluents. The invention also relates to an indium oxide based catalyst.
专利号:US-10668450-B2 优先权日:2016-01-07 标 题:Supported indium oxide catalyst and process for methanol synthesis using the same 发明人:CURULLA-FERRE DANIEL; DROUILLY CHARLOTTE; MARTIN OLIVER; MONDELLI CECILIA; PEREZ-RAMIREZ JAVIER; MARTIN-FERNANDEZ ANTONIO J 权利人:TOTAL RAFFINAGE CHIMIE; ETH ZUERICH 摘要:The invention relates to a process for methanol synthesis comprising the steps of providing a syngas feed stream comprising hydrogen and carbon oxides selected from carbon dioxide or a mixture of carbon dioxide and carbon monoxide, wherein carbon dioxide represents from 1 to 50 mol % of the total molar content of the feed stream, carbon monoxide is contained from 0 to 85 mol % of the total molar content, and H2 is comprised from 5 to 95 mol % of the total molar content of the feed stream, and a catalyst comprising indium oxide (In2O3) on a support wherein the support comprises zirconium dioxide or is zirconium dioxide; putting in contact said stream with said supported catalyst at a reaction temperature of at least 373 K (99.85° C.) and under a pressure ranging of at least 1 MPa; and recovering the methanol effluents. The invention also relates to a supported indium oxide catalyst.
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