Zeolite and process for preparing the same
    71.
    发明授权
    Zeolite and process for preparing the same 失效
    沸石及其制备方法

    公开(公告)号:US4528171A

    公开(公告)日:1985-07-09

    申请号:US367615

    申请日:1982-04-12

    摘要: A synthetic zeolite material, designated zeolite EU-4, having a molar composition expressed by the formula:O to M.sub.2 O:aY.sub.2 O.sub.3 :at least 100 XO.sub.2 :0 to 35 H.sub.2 Owherein M is a monovalent cation or 1/n of a cation of valency n, a is from 0 to 9, X is silicon and/or germanium, Y is one or more of aluminum, iron, chromium, vanadium, molybdenum, arsenic, antimony, manganese, gallium or boron, and H.sub.2 O is water of hydration additional to water notionally present when M is H, and having a defined X-ray diffraction pattern is prepared from an aqueous reaction mixture containing the oxide XO.sub.2, optionally the oxide Y.sub.2 O.sub.3 and an alkyltrimethylammonium or dialkyldimethylammonium compound.Zeolite EU-4 is a useful catalyst for methanol conversion and the like.

    摘要翻译: 具有由下式表示的摩尔组成的合成沸石材料EU-4:O至M 2 O:aY 2 O 3:至少100XO 2:0至35H 2 O,其中M是一价阳离子或1 / n的化合物阳离子 n,a为0至9,X为硅和/或锗,Y为铝,铁,铬,钒,钼,砷,锑,锰,镓或硼中的一种或多种,​​H 2 O为水合水 当M为H时,以含有氧化物XO2,任选的氧化物Y 2 O 3和烷基三甲基铵或二烷基二甲基铵化合物的水性反应混合物制备具有规定的X射线衍射图样的水。 沸石EU-4是甲醇转化等的有用催化剂。

    Process for preparation of hydrocarbons
    75.
    发明授权
    Process for preparation of hydrocarbons 失效
    烃类制备方法

    公开(公告)号:US4338089A

    公开(公告)日:1982-07-06

    申请号:US174066

    申请日:1980-07-31

    摘要: A process is disclosed for the preparation of a hydrocarbon mixture by contacting in a first stage a feed mixture of hydrogen and carbon monoxide with an H.sub.2 /CO molar ratio of less than 1.0 with a trifunctional catalyst combination containing (a) at least one metal component having catalytic activity for conversions of a H.sub.2 /CO mixture into acyclic hydrocarbons, and/or acyclic oxygen-containing hydrocarbons, (b) at least one metal component for the conversion of an H.sub.2 O/CO mixture into an H.sub.2 /CO mixture, and (c) a certain crystalline silicate containing at least one trivalent metal selected from aluminum, iron, gallium, rhodium, chromium and scandium, wherein the molar ratio of the trivalent metal oxide to silica is less than 0.1; adjusting the H.sub.2 /CO molar to at least 1.5 by adding H.sub.2 O, if necessary; followed by contacting in a second stage at least the C.sub.2 - fraction of the reaction product from the first stage with a bifunctional catalyst combination containing at least one metal component with catalytic activity for converting an H.sub.2 /CO mixture into acyclic hydrocarbons and also at least one metal component with catalytic activity for converting an H.sub.2 O/CO mixture into an H.sub.2 /CO.sub.2 mixture.

    摘要翻译: 公开了一种用于制备烃混合物的方法,其通过在第一阶段使氢气和一氧化碳的进料混合物与H 2 / CO摩尔比小于1.0的三官能催化剂组合物接触,所述三官能催化剂组合包含(a)至少一种金属组分 具有用于将H 2 / CO混合物转化为无环烃和/或无环氧的烃的催化活性,(b)至少一种用于将H 2 O / CO混合物转化为H 2 / CO混合物的金属组分,和 c)含有选自铝,铁,镓,铑,铬和钪中的至少一种三价金属的某种结晶硅酸盐,其中三价金属氧化物与二氧化硅的摩尔比小于0.1; 如果需要,通过加入H 2将H 2 / CO摩尔调节至至少1.5; 然后在第二阶段至少将来自第一阶段的反应产物的C2-级分与含有至少一种具有用于将H 2 / CO混合物转化成无环烃的催化活性的至少一种金属组分的双功能催化剂组合物接触,还有至少一种 具有催化活性的金属组分,用于将H 2 O / CO混合物转化为H 2 / CO 2混合物。

    METHOD OF IMPROVING OLEFIN ISOMERIZATION

    公开(公告)号:US20220135500A1

    公开(公告)日:2022-05-05

    申请号:US17519884

    申请日:2021-11-05

    IPC分类号: C07C5/27 B01J29/88

    摘要: A skeletal isomerization process for isomerizing olefins is described. The process includes the steps of feeding an olefin-containing feed to a reactor at a space velocity of 1-100 hr−1 for a first period of time at a first temperature, followed by discontinuing, or stopping, the olefin-containing feed for a second period of time while maintaining the reactor at a second temperature, before resuming the flow of the olefin-containing feed for a third period of time. The methods of this disclosure increase the yield of the skeletal isomers product while reducing the production of C5+ heavy olefins. Additionally, the methods of this disclosure can be applied to feeds containing iso-olefins (for the production of linear olefins) or linear olefins (for the production of iso-olefins).