Light hydrocarbon separation using 8-member ring zeolites
    2.
    发明申请
    Light hydrocarbon separation using 8-member ring zeolites 有权
    使用8元环型沸石轻烃分离

    公开(公告)号:US20050096494A1

    公开(公告)日:2005-05-05

    申请号:US10699258

    申请日:2003-10-31

    IPC分类号: C07C7/13 C07C7/12

    CPC分类号: C07C7/13 C07C11/06 C07C9/08

    摘要: The present invention is related to a method for kinetically separating a light hydrocarbon mixture comprising at least two components by preferentially adsorbing a first component on a zeolite adsorbent comprising 8-member rings of tetrahedra as the pore opening controlling hydrocarbon diffusion and alkali metal cations balancing a framework charge, wherein a second component is not preferentially adsorbed. The novel process comprises contacting the light hydrocarbon mixture with a zeolite adsorbent having a SiO2/Al2O3 ratio greater than about 50 and less than 200 and further having a diffusion rate at least 50 times greater for the first component as compared to the second component, and then recovering at least one of the first component or the second component.

    摘要翻译: 本发明涉及一种用于动态分离含有至少两种组分的轻质烃混合物的方法,该轻质烃混合物优先吸附在包含八元环四面体的沸石吸附剂上的第一组分,作为开孔控制烃扩散和碱金属阳离子平衡 框架电荷,其中第二组分不被优先吸附。 该新方法包括使轻质烃混合物与沸石吸附剂接触,所述沸石吸附剂具有大于约50或更小的SiO 2 / Al 2 O 3 并且与第二组分相比,第一组分的扩散速率至少为50倍,然后回收第一组分或第二组分中的至少一种。

    Process and catalyst for oxidation of hydrocarbons
    3.
    发明申请
    Process and catalyst for oxidation of hydrocarbons 有权
    碳氢化合物的氧化工艺和催化剂

    公开(公告)号:US20070004944A1

    公开(公告)日:2007-01-04

    申请号:US11173594

    申请日:2005-07-01

    IPC分类号: C07C27/00

    摘要: A process for the oxidation of hydrocarbons comprises contacting the hydrocarbon with an oxygen-containing gas in the presence of a catalyst comprising a microporous solid support, preferably a zeolite, having from 8- to 12-ring open windows and comprising non-framework metal cations selected from manganese, iron, cobalt, vanadium, chromium, copper, nickel, and ruthenium, and mixtures thereof, providing that the oxygen-containing gas does not contain significant amounts of added hydrogen. The catalyst is novel and forms part of the invention. The process may be used for oxidation of alkanes, cycloalkanes, benzene and alkylbenzenes, and is suitable for use in regioselective terminal oxidation of straight chain alkanes and for selective oxidation/separation of p-dialkylbenzenes from an alkylbenzene mixture, for example, p-xylene from an isomeric mixture of xylenes.

    摘要翻译: 烃的氧化方法包括使烃与含氧气体在催化剂存在下接触,所述催化剂包含微孔固体载体,优选沸石,具有8-至12-环开放的窗口并且包含非骨架金属阳离子 选自锰,铁,钴,钒,铬,铜,镍和钌,以及它们的混合物,条件是含氧气体不含显着量的加氢。 该催化剂是新颖的并且构成本发明的一部分。 该方法可用于烷烃,环烷烃,苯和烷基苯的氧化,并且适用于直链烷烃的区域选择性末端氧化和用于从烷基苯混合物中选择性氧化/分离对二烷基苯,例如对二甲苯 来自异构体的二甲苯混合物。

    High silica chabazite, its synthesis and its use in the conversion of oxygenates to olefins
    4.
    发明申请
    High silica chabazite, its synthesis and its use in the conversion of oxygenates to olefins 有权
    高二氧化硅菱沸石,其合成及其在含氧化合物转化为烯烃的应用

    公开(公告)号:US20070043251A1

    公开(公告)日:2007-02-22

    申请号:US11590230

    申请日:2006-10-31

    IPC分类号: C07C1/00

    摘要: A porous crystalline material is described having the chabazite framework type and having a composition involving the molar relationship: X2O3:(n)YO2, wherein X is a trivalent element, such as aluminum, boron, iron, indium, and/or gallium; Y is a tetravalent element such as silicon, tin, titanium and/or germanium; and n is greater than 100 and typically greater than 200, such as about 300 to about 4000, for example from about 400 to about 1200. The material is synthesized in a fluoride medium and exhibits activity and selectivity in the conversion of methanol to lower olefins, especially ethylene and propylene.

    摘要翻译: 描述了具有菱沸石骨架类型并且具有摩尔关系的组成的多孔结晶材料:<?in-line-formula description =“In-line Formulas”end =“lead”?> X 2 >○3(n)YO 2,<?in-line-formula description =“In-line Formulas”end =“tail”?>其中X是 三价元素,例如铝,硼,铁,铟和/或镓; Y是四价元素,例如硅,锡,钛和/或锗; 并且n大于100,通常大于200,例如约300至约4000,例如约400至约1200.该物质在氟化物介质中合成,并且在甲醇转化为低级烯烃中表现出活性和选择性 ,特别是乙烯和丙烯。