Unimodal, large-pore silicas by hydrothermal treatment of silicia powders
    5.
    发明授权
    Unimodal, large-pore silicas by hydrothermal treatment of silicia powders 失效
    通过水热处理二氧化硅粉末的单峰,大孔二氧化硅

    公开(公告)号:US5897849A

    公开(公告)日:1999-04-27

    申请号:US988766

    申请日:1997-12-11

    IPC分类号: C01B33/18 C04B35/14

    摘要: The need for silicas with large pore sizes can be met by hydrothermal treatment of a silica powder with a mineralizing agent. Pore sizes in the range 300-25,000 angstroms, and more particularly in the range up to 10,000 angstroms, are readily obtained using mineralizing agents such as hydroxide, carbonate, and fluoride at temperatures in the range 85-300.degree. C. A narrow, unimodal distribution of pores is typical.

    摘要翻译: 通过用矿化剂水热处理二氧化硅粉末可以满足对孔径大的二氧化硅的需要。 使用矿化剂如氢氧化物,碳酸盐和氟化物,在85-300℃的温度范围内容易得到范围在300-25000埃之间,特别是高达10,000埃范围内的孔径。窄的单峰 毛孔的分布是典型的。

    Hydrothermally stable metal oxide solid solutions as carriers for
catalytic composites
    6.
    发明授权
    Hydrothermally stable metal oxide solid solutions as carriers for catalytic composites 失效
    水热稳定的金属氧化物固溶体作为催化复合材料的载体

    公开(公告)号:US5565400A

    公开(公告)日:1996-10-15

    申请号:US342461

    申请日:1994-11-21

    IPC分类号: B01J20/06 B01J23/00 B01J21/00

    摘要: Ternary metal oxide solid solutions containing permutations of magnesium, nickel, and cobalt with trivalent metals such as aluminum, chromium, gallium, and iron show unusual resistance to rehydration. A composite comprising a) a ternary metal oxide solid solution of formula,A.sub.a (II)B.sub.b (II)C.sub.c (III)O.sub.(a+b+c) (OH).sub.cwhere:a, b, and c are atom fractions of A(II), B(II), and C(III), respectively;C(III) is a trivalent metal cation whose metal is selected from the group consisting of Al, Cr, Ga, Fe, and combinations thereof, and combinations of Al and metals of atomic number 57 through 71;A(II) and B(II) are divalent metal cations andi. A is Mg, B is Ni, and 0.05.ltoreq.a/(a+b).ltoreq.0.5; orii. A is Mg, B is Co, and 0.05.ltoreq.a/(a+b).ltoreq.0.75; oriii. A is Co, B is Ni, and 0.05.ltoreq.a/(a+b).ltoreq.0.95;and 1.5.ltoreq.(a+b)/c.ltoreq.5.0;and b) at least one catalytically active species selected from the group consisting of zeolites, synthetic molecular sieves; clays and pillared clays; and molybdenum, vanadium, copper, chromium, manganese, silver, and titanium in an upper valence state, are hydrothermally stable catalysts.

    摘要翻译: 包含镁,镍和钴与三价金属如铝,铬,镓和铁的排列的三元金属氧化物固溶体显示出异常的耐水化作用。 一种复合材料,其包含a)式Aa(II)Bb(II)Cc(III)O(a + b + c)(OH)c的三元金属氧化物固溶体,其中:a,b和c是 A(II),B(II)和C(III) C(III)是金属选自Al,Cr,Ga,Fe及其组合的三价金属阳离子,以及Al与原子序数57至71的金属的组合; A(II)和B(II)是二价金属阳离子, A是Mg,B是Ni,0.05是a /(a + b)= 0.5; 或ii。 A是Mg,B是Co,0.05是a /(a + b)<0.75; 或iii。 A是Co,B是Ni,0.05是a /(a + b)

    Detergent alkylation using a regenerable clay catalyst
    7.
    发明授权
    Detergent alkylation using a regenerable clay catalyst 失效
    使用可再生粘土催化剂进行洗涤剂烷基化

    公开(公告)号:US5491271A

    公开(公告)日:1996-02-13

    申请号:US296391

    申请日:1994-08-26

    IPC分类号: C07C2/66

    摘要: Tetrahedrally charged clays have been found to be active, regenerable catalysts in detergent alkylation, both as delaminated and pillared clays. The pillared saponites and beidellites are especially favored in forming detergent range alkylates using olefins as the alkylating agent to afford products with high monoalkylation selectivity and high linearity. Catalysts can be regenerated by a benzene wash or, after severe deactivation, by a carbon burn.

    摘要翻译: 已经发现四面带电荷的粘土是洗涤剂烷基化中的活性的可再生催化剂,作为分层和柱状粘土。 在使用烯烃作为烷基化剂形成洗涤剂范围的烷基化物时,柱状皂石和小卫星特别有利,以获得具有高单烷基化选择性和高线性度的产物。 催化剂可以通过苯洗涤或在严重失活后通过碳燃烧再生。

    Process for sweetening a sour hydrocarbon fraction using a mixture of a
supported metal chelate and a solid base
    8.
    发明授权
    Process for sweetening a sour hydrocarbon fraction using a mixture of a supported metal chelate and a solid base 失效
    使用负载的金属螯合物和固体碱的混合物来使酸性烃馏分变甜的方法

    公开(公告)号:US5413704A

    公开(公告)日:1995-05-09

    申请号:US151633

    申请日:1993-11-15

    IPC分类号: C10G27/10 C10G25/00

    CPC分类号: C10G27/10

    摘要: A catalytic mixture of discrete solid materials and a mercaptan oxidation process for using the catalytic mixture have been developed. The catalytic mixture comprises a metal chelate dispersed on a non-basic solid support and a solid base. The process involves contacting a sour middle distillate hydrocarbon fraction which contains mercaptans with the supported metal chelate and the solid base mixture in the presence of an oxidizing agent and a polar compound. The process is unique in that both the catalyst and the base are discrete solid materials.

    摘要翻译: 已经开发了用于使用催化混合物的离散固体材料和硫醇氧化方法的催化混合物。 催化混合物包含分散在非碱性固体载体和固体碱上的金属螯合物。 该方法包括在氧化剂和极性化合物的存在下使含有硫醇的酸中间馏分烃馏分与负载的金属螯合物和固体碱混合物接触。 该方法是独特的,因为催化剂和碱都是离散的固体材料。

    Pillared clay containing fluorided pillars
    9.
    发明授权
    Pillared clay containing fluorided pillars 失效
    含有氟化支柱的柱状粘土

    公开(公告)号:US5389593A

    公开(公告)日:1995-02-14

    申请号:US133939

    申请日:1993-10-12

    CPC分类号: B01J29/049

    摘要: Novel pillared clay compositions have been synthesized. The clay contains pillars which are at least partially fluorided. These pillars are metal fluoro hydroxy cations where the metal can be Al, Zr, Si/Al, Ti or Cr. The clays which can be pillared with these pillars are the smectite clays which include hectorite and beidellite along with synthetically prepared smectite clays. These clays are prepared by pillaring the clay, followed by calcination and then treatment with a fluoride salt such as ammonium bifluoride. Finally, these fluorided pillared clays find applications in hydrocarbon conversion processes such as alkylation.

    摘要翻译: 已经合成了新的柱状粘土组合物。 粘土含有至少部分氟化的柱。 这些柱是金属氟羟基阳离子,其中金属可以是Al,Zr,Si / Al,Ti或Cr。 可以用这些柱子支撑的粘土是蒙脱石粘土,包括锂蒙脱石和贝得石以及合成制备的绿土粘土。 这些粘土是通过对粘土进行支撑制备的,随后煅烧,然后用氟化盐如氟化铵处理。 最后,这些氟化柱状粘土在烃转化过程如烷基化中得到应用。

    Process for forming acid functionalized organically-bridged
polysilsesquioxanes
    10.
    发明授权
    Process for forming acid functionalized organically-bridged polysilsesquioxanes 失效
    形成酸官能化有机桥连聚倍半硅氧烷的方法

    公开(公告)号:US5371154A

    公开(公告)日:1994-12-06

    申请号:US149391

    申请日:1993-11-09

    IPC分类号: C08G77/52 C08F283/00

    CPC分类号: C08G77/52

    摘要: A process for forming a solid acid catalyst where all of the add functionality is covalently bonded to the organic portion of an organically-bridged polysilsesquioxane framework has been developed. The process involves polymerizing a monomer through sol-gel processing to form an organically-bridged polysilsesquioxane, reacting an acid group onto the organic portion of the organically-bridged polysilsesquioxane, and recovering the acid functionalized product. The invention also includes the product acid functionalized organically-bridged polysilsesquioxane catalyst of the process described. The catalyst is unique in that the acid functionality is incorporated within an organic-inorganic hybrid framework as opposed to being attached to pendant organic groups.

    摘要翻译: 已经开发了形成固体酸催化剂的方法,其中所有添加官能团共价键合到有机桥连聚倍半硅氧烷骨架的有机部分。 该方法包括通过溶胶 - 凝胶加工聚合单体以形成有机桥连聚倍半硅氧烷,将酸基团与有机桥连聚倍半硅氧烷的有机部分反应,并回收酸官能化产物。 本发明还包括所述方法的产物酸官能化有机桥联聚倍半硅氧烷催化剂。 催化剂是独特的,因为酸官能团被结合到有机 - 无机混合物框架内,而不是附着于有机基团上。