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    • 42. 发明授权
    • Isoparaffin/olefin alkylation
    • 异链烷烃/烯烃烷基化
    • US5625113A
    • 1997-04-29
    • US365334
    • 1994-12-28
    • Mohsen N. HarandiJames H. Beech, Jr.Albin Huss, Jr.Robert A. WareAltaf Husain
    • Mohsen N. HarandiJames H. Beech, Jr.Albin Huss, Jr.Robert A. WareAltaf Husain
    • C07C2/58C07C2/62C07C9/16
    • C07C2/58C07C2/62C07C9/16C07C2527/054C07C2529/70
    • A process is disclosed for alkylating an isoparaffin with an olefin comprising the steps of:(a) reacting an isoparaffin having from 4 to 8 carbon atoms with an olefin having from 2 to 12 carbon atoms in a first alkylation reaction stage at temperature from about -40.degree. C. to about 500.degree. C. and overall isoparaffin:olefin feed weight ratio of from about 1:1 to about 250:1 with a solid alkylation catalyst comprising a synthetic porous crystalline material characterized by an X-ray diffraction pattern including values substantially as set forth in Table I of the specification and having a composition comprising the molar relationshipX.sub.2 O.sub.3 :(n)YO.sub.2,wherein n is less than about 35, X is a trivalent element and Y is a tetravalent element;(b) mixing the effluent from said first alkylation stage with additional olefin to evolve an intermediate stream having an isoparaffin:olefin weight ratio of from about 2:1 to about 100:1; and(c) reacting said intermediate stream in a second alkylation stage in the absence of intermediate fractionation with a liquid acid catalyst comprising H.sub.2 SO.sub.4 to produce C.sub.5 + alkylate.
    • 公开了一种用烯烃烷基化异链烷烃的方法,该方法包括以下步骤:(a)使第一烷基化反应阶段中具有4至8个碳原子的异链烷烃与具有2至12个碳原子的烯烃反应, 40℃至约500℃,总异构链烷烃:烯烃进料重量比为约1:1至约250:1,其中固体烷基化催化剂包含合成多孔结晶材料,其特征在于X射线衍射图包括值 基本上如说明书的表I所述,并且具有包含摩尔关系X 2 O 3:(n)YO 2的组成,其中n小于约35,X是三价元素,Y是四价元素; (b)将来自所述第一烷基化阶段的流出物与另外的烯烃混合以产生具有约2:1至约100:1的异链烷烃:烯烃重量比的中间料流; 和(c)在不与中间分级分离的第二烷基化阶段中使所述中间物流与包含H 2 SO 4的液体酸催化剂反应,以产生C5 +烷基化物。
    • 50. 发明授权
    • Isoparaffin/olefin alkylation
    • 异链烷烃/烯烃烷基化
    • US5191147A
    • 1993-03-02
    • US785398
    • 1991-10-30
    • Thomas F. DegnanKenneth J. Del RossiAltaf HusainAlbin Huss, Jr.
    • Thomas F. DegnanKenneth J. Del RossiAltaf HusainAlbin Huss, Jr.
    • B01J29/04C07C2/58
    • C07C2/58B01J29/041C07C2521/04C07C2521/06C07C2521/08C07C2521/12C07C2521/16
    • The present invention provides a process for alkylating an isoparaffin with an olefin comprising contacting an isoparaffin having from 4 to 8 carbon atoms with an olefin having from 2 to 12 carbon atoms in an alkylation reaction zone at temperature from about -20.degree. C. to about 200.degree. C. in the presence of a Bronsted acid and an inorganic, porous crystalline phase material having, after calcination, a d-spacing greater than about 18 Angstrom Units and having a benzene adsorption capacity of greater than 15 grams benzene per 100 grams of said material at 50 torr and 25.degree. C., wherein the molar ratio of said isoparaffin to said olefin is from about 1:1 to about 250:1 to evolve a product stream containing C.sub.5 + alkylate. In a preferred embodiment, the alkylation catalyst complex comprises a Bronsted acid and an inorganic, porous crystalline phase material having, after calcination, a hexagonal arrangement of uniformly-sized pores having diameters of at least about 13 Angstrom Units and exhibiting a hexagonal electron diffraction pattern that can be indexed with a d.sub.100 value greater than about 18 Angstrom Units.
    • 本发明提供了一种用烯烃烷基化异链烷烃的方法,包括在烷基化反应区中将约4至8个碳原子的异链烷烃与具有2至12个碳原子的烯烃在约-20℃至约 在布朗斯台德酸和无机多孔结晶相材料存在下,在煅烧后,d-间距大于约18埃单位,苯吸附量大于15克苯/ 100克 所述材料在50托和25℃下,其中所述异链烷烃与所述烯烃的摩尔比为约1:1至约250:1,以放出含有C5 +烷基化物的产物流。 在优选的实施方案中,烷基化催化剂络合物包括布朗斯台德酸和无机多孔结晶相材料,其在煅烧之后具有直径为至少约13埃单位的均匀尺寸的孔的六边形排列并且显示出六边形电子衍射图 可以用大于约18埃单位的d100值进行索引。