专利号:US-2015225309-A1 优先权日:2012-08-10 标 题:Method of producing olefin having 2 to 4 carbon atoms and method of producing propylene 发明人:TSUBAKI NORITATSU; ISHIYAMA TAKESHI; SHIBATA YUSUKE; HIGASHIMURA HIDEYUKI; YUASA AKIHIRO 权利人:SUMITOMO CHEMICAL CO; NAT UNIV CORP UNIV TOYAMA 摘要:A method of producing olefin having 2 to 4 carbon atoms, including a process of reacting at least one kind of a catalyst (D) selected from the group consisting of below catalysts (A) to (C) with synthesis gas in the presence of a dispersion medium through a Fischer-Tropsch reaction, in which the catalyst (A) contains iron and one to three kinds of elements selected from the group consisting of alkali metal and alkali earth metal, the catalyst (B) contains cobalt, provided that the catalyst (B) is a catalyst except a catalyst obtained by reducing a cobalt ion and an iron ion in a dispersion liquid or a solution containing the cobalt ion, the iron ion and a dispersant that interacts with the cobalt ion and the iron ion, and the catalyst (C) contains nickel or ruthenium.
专利号:CN-118022713-A 优先权日:2024-02-02 标题:Acid-base bifunctional catalyst for catalyzing the synthesis of ethyl methyl carbonate from dimethyl carbonate and ethanol
专利号:US-11427516-B2 优先权日:2017-07-05 标 题:Multistage nanoreactor catalyst and preparation and application thereof 发明人:LIU XIAOHAO; XU YUEBING; JIANG FENG; LIU BING; LIU DAPENG; WANG TING 权利人:UNIV JIANGNAN 摘要:The present disclosure discloses a multistage nanoreactor catalyst and preparation and application thereof, belonging to the technical field of synthesis gas conversion. The catalyst consists of a core of an iron-based Fischer-Tropsch catalyst, a transition layer of a porous oxide or porous carbon material, and a shell layer of a molecular sieve having an aromatization function. The molecular sieve of the shell layer can be further modified by a metal element or a non-metal element, and the outer surface of the molecular sieve is further modified by a silicon-oxygen compound to adjust the acidic site on the outer surface and the aperture of the molecular sieve, thereby inhibiting the formation of heavy aromatic hydrocarbons. According to the disclosure, the shell layer molecular sieve with a transition layer and a shell layer containing or not containing auxiliaries, and with or without surface modification can be prepared by the iron-based Fischer-Tropsch catalyst through multiple steps. The catalyst can be used for direct preparation of aromatic compounds, especially light aromatic compounds, from synthesis gas; the selectivity of light aromatic hydrocarbons in hydrocarbons can be 75% or above, and the content in the liquid phase product is not less than 95%; and the catalyst has good stability and good industrial application prospect.
专利号:CN-107611421-A 优先权日:2017-08-15 标 题:A kind of nano-manganese oxide spinel used as positive electrode material of magnesium ion storage battery and its synthesis method
专利号:DE-3516928-A1 优先权日:1984-05-10 标 题 :METHOD FOR SYNTHESISING A MIXTURE OF PRIMARY ALCOHOLS FROM SYNTHESIS GAS IN THE PRESENCE OF A CATALYST CONTAINING COPPER, COBALT, ZINC AND ALUMINUM, AND A CATALYST THEREFOR
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