Olefin isomerization and metathesis catalyst
    5.
    发明授权
    Olefin isomerization and metathesis catalyst 有权
    烯烃异构化和复分解催化剂

    公开(公告)号:US09023753B2

    公开(公告)日:2015-05-05

    申请号:US13892653

    申请日:2013-05-13

    摘要: A process for the production of propylene, the process including: contacting ethylene and a hydrocarbon stream comprising 1-butene and 2-butene with a bifunctional isomerization-metathesis catalyst to concurrently isomerizes 1-butene to 2-butene and to form a metathesis product comprising propylene; wherein the bifunctional isomerization-metathesis catalyst comprises: a catalyst compound may include at least one element selected from tungsten, tantalum, niobium, molybdenum, nickel, palladium, osmium, iridium, rhodium, vanadium, ruthenium, and rhenium for providing metathesis activity on a support comprising at least one element from Group IA, IIA, IIB, and IIIA of the Periodic Table of the Elements; wherein an exposed surface area of the support provides both isomerization activity for the isomerization of 1-butene to 2-butene; and reactive sites for the adsorption of catalyst compound poisons. In other embodiments, the catalyst compound may include at least one element selected from aluminum, gallium, iridium, iron, molybdenum, nickel, niobium, osmium, palladium, phosphorus, rhenium, rhodium, ruthenium, tantalum, titanium, tungsten, and vanadium.

    摘要翻译: 一种生产丙烯的方法,该方法包括:将乙烯和包含1-丁烯和2-丁烯的烃物流与双功能异构化 - 复分解催化剂接触以使1-丁烯异构化成2-丁烯并形成复分解产物,其包含 丙烯; 其中所述双功能异构化 - 复分解催化剂包括:催化剂化合物可以包括选自钨,钽,铌,钼,镍,钯,锇,铱,铑,钒,钌和铼中的至少一种元素,用于提供复分解活性 载体,其包含元素周期表的IA,IIA,IIB和IIIA族的至少一种元素; 其中所述载体的暴露的表面积提供了用于将1-丁烯异构化成2-丁烯的异构化活性; 和用于吸附催化剂复合毒物的反应位点。 在其它实施方案中,催化剂化合物可以包括选自铝,镓,铱,铁,钼,镍,铌,锇,钯,磷,铼,铑,钌,钽,钛,钨和钒中的至少一种元素。

    Process for the Oxidative Coupling of Hydrocarbons
    8.
    发明申请
    Process for the Oxidative Coupling of Hydrocarbons 有权
    碳氢化合物的氧化偶合过程

    公开(公告)号:US20140066677A1

    公开(公告)日:2014-03-06

    申请号:US14072971

    申请日:2013-11-06

    IPC分类号: C07C2/84

    摘要: A method for the oxidative coupling of hydrocarbons, such as the oxidative coupling of methane to toluene, includes providing an oxidative catalyst inside a reactor, and carrying out the oxidative coupling reaction under a set of reaction conditions. The oxidative catalyst includes (A) at least one element selected from the group consisting of the Lanthanoid group, Mg, Ca, and the elements of Group 4 of the periodic table (Ti, Zr, and Hf); (B) at least one element selected from the group consisting of the Group 1 elements of Li, Na, K, Rb, Cs, and the elements of Group 3 (including La and Ac) and Groups 5-15 of the periodic table; (C) at least one element selected from the group consisting of the Group 1 elements of Li, Na, K, Rb, Cs, and the elements Ca, Sr, and Ba; and (D) oxygen.

    摘要翻译: 烃的氧化偶合的方法,例如甲烷氧化偶联甲苯,包括在反应器内提供氧化催化剂,并在一组反应条件下进行氧化偶联反应。 氧化催化剂包括(A)选自镧系元素,Mg,Ca和元素周期表第4族元素(Ti,Zr和Hf)中的至少一种元素; (B)选自Li,Na,K,Rb,Cs的第1族元素和第3族元素(包括La和Ac)和元素周期表第5-15族中的至少一种元素; (C)选自Li,Na,K,Rb,Cs族元素和元素Ca,Sr和Ba中的至少一种元素; 和(D)氧气。

    PRODUCTION OF PROPYLENE VIA SIMULTANEOUS DEHYDRATION AND SKELETAL ISOMERISATION OF ISOBUTANOL ON ACID CATALYSTS FOLLOWED BY METATHESIS
    10.
    发明申请
    PRODUCTION OF PROPYLENE VIA SIMULTANEOUS DEHYDRATION AND SKELETAL ISOMERISATION OF ISOBUTANOL ON ACID CATALYSTS FOLLOWED BY METATHESIS 有权
    通过METATHESIS的酸性催化剂同时脱水和异构异丙醇生产丙烯

    公开(公告)号:US20130245348A1

    公开(公告)日:2013-09-19

    申请号:US13583990

    申请日:2011-03-15

    IPC分类号: C07C1/24

    摘要: The present invention relates to a process for the production of propylene in which in a first step isobutanol is subjected to a simultaneous dehydration and skeletal isomerisation to make substantially corresponding olefins, having the same number of carbons and consisting essentially of a mixture of n-butenes and iso-butene and in a second step n-butenes are subjected to methathesis, said process comprising: a) introducing in a reactor a stream (A) comprising isobutanol, optionally water, optionally an inert component, b) contacting said stream with a catalyst in said reactor at conditions effective to dehydrate and skeletal isomerase at least a portion of the isobutanol to make a mixture of n-butenes and iso-butene, c) recovering from said reactor a stream (B), removing water, the inert component if any and unconverted isobutanol if any to get a mixture of n-butenes and iso-butene, d) fractionating said mixture to produce a n-butenes stream (N) and to remove the essential part of isobutene optionally recycled with stream (A) to the dehydration/isomerization reactor of step b), e) sending the stream (N) to a methathesis reactor and contacting stream (N) with a catalyst in said methathesis reactor, optionally in the presence of ethylene, at conditions effective to produce propylene, f) recovering from said methathesis reactor a stream (P) comprising essentially propylene, unreacted n-butenes, heavies, optionally unreacted ethylene, g) fractionating stream (P) to recover propylene and optionally recycling unreacted n-butenes and unreacted ethylene to the methathesis reactor.

    摘要翻译: 本发明涉及一种生产丙烯的方法,其中在第一步中异丁醇同时进行脱水和骨架异构化以制备具有相同数目的碳的基本上相应的烯烃并且基本上由正丁烯的混合物组成 所述方法包括:a)在反应器中引入包含异丁醇,任选的水,任选的惰性组分的物流(A),b)使所述物流与一种或多种异丁烯接触, 催化剂在所述反应器中有效脱水和骨架异构酶至少一部分异丁醇以形成正丁烯和异丁烯的混合物,c)从所述反应器回收流(B),除去水,惰性组分 如果有任何和未转化的异丁醇,以获得正丁烯和异丁烯的混合物,d)分馏所述混合物以产生正丁烯流(N)并除去主要部分 任选地将物流(A)循环到步骤b)的脱水/异构化反应器中的芸香素,e)将所述物流(N)送入复分解反应器并将所述(N)与所述复分解反应器中的催化剂接触,任选地在 乙烯,在有效产生丙烯的条件下,f)从所述复分解反应器回收包含基本上丙烯,未反应的正丁烯,重质,任选未反应的乙烯的流(P),g)分馏流(P)以回收丙烯并任选地循环未反应 正丁烯和未反应的乙烯。