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    • 32. 发明授权
    • Transalkylation of heavy aromatic hydrocarbon feedstocks
    • 重芳香烃原料的烷基转移
    • US08183424B2
    • 2012-05-22
    • US12973358
    • 2010-12-20
    • Doron LevinApril D. RossJames H. Beech, Jr.
    • Doron LevinApril D. RossJames H. Beech, Jr.
    • C07C6/12
    • B01J8/04B01J29/064B01J29/072B01J29/076B01J29/44B01J29/46B01J29/7034B01J29/7669B01J35/0006B01J35/023B01J37/0009B01J37/20B01J2229/42C07C6/12C07C2529/42Y02P20/52C07C15/08
    • In a process for producing xylene by transalkylation of a C9+ aromatic hydrocarbon feedstock with a C6 and/or C7 aromatic hydrocarbon, the C9+ aromatic hydrocarbon feedstock, at least one C6 and/or C7 aromatic hydrocarbon and hydrogen are contacted with a first catalyst comprising (i) a first molecular sieve having a Constraint Index in the range of about 3 to about 12 and (ii) at least first and second different metals or compounds thereof of Groups 6 to 12 of the Periodic Table of the Elements. Contacting with the first catalyst is conducted under conditions effective to dealkylate aromatic hydrocarbons in the feedstock containing C2+ alkyl groups and to saturate C2+ olefins formed so as to produce a first effluent. At least a portion of the first effluent is then contacted with a second catalyst comprising a second molecular sieve having a Constraint Index less than 3 under conditions effective to transalkylate C9+ aromatic hydrocarbons with said at least one C6-C7 aromatic hydrocarbon to form a second effluent comprising xylene.
    • 在通过C 9 +芳族烃原料与C 6和/或C 7芳烃的烷基转移生产二甲苯的方法中,C 9 +芳烃原料,至少一种C 6和/或C 7芳烃和氢与第一催化剂接触,所述第一催化剂包含( i)具有在约3至约12范围内的约束指数的第一分子筛和(ii)至少元素周期表第6至12族的第一和第二不同金属或其化合物。 与第一催化剂接触在有效地使含有C 2 +烷基的原料中芳族烃脱烷基化并使形成的C 2 +烯烃饱和以产生第一流出物的条件下进行。 然后至少一部分第一流出物与包含第二分子筛的第二催化剂接触,该第二催化剂在有效使C 9+芳族烃与所述至少一种C 6 -C 7芳族烃烷基转移的条件下具有小于3的约束指数,以形成第二流出物 包括二甲苯。
    • 33. 发明申请
    • Transalkylation of Heavy Aromatic Hydrocarbon Feedstocks
    • 重芳香烃原料的烷基转移
    • US20110190556A1
    • 2011-08-04
    • US12973358
    • 2010-12-20
    • Doron LevinApril D. RossJames H. Beech, JR.
    • Doron LevinApril D. RossJames H. Beech, JR.
    • C07C2/00B01J35/02
    • B01J8/04B01J29/064B01J29/072B01J29/076B01J29/44B01J29/46B01J29/7034B01J29/7669B01J35/0006B01J35/023B01J37/0009B01J37/20B01J2229/42C07C6/12C07C2529/42Y02P20/52C07C15/08
    • In a process for producing xylene by transalkylation of a C9+ aromatic hydrocarbon feedstock with a C6 and/or C7 aromatic hydrocarbon, the C9+ aromatic hydrocarbon feedstock, at least one C6 and/or C7 aromatic hydrocarbon and hydrogen are contacted with a first catalyst comprising (i) a first molecular sieve having a Constraint Index in the range of about 3 to about 12 and (ii) at least first and second different metals or compounds thereof of Groups 6 to 12 of the Periodic Table of the Elements. Contacting with the first catalyst is conducted under conditions effective to dealkylate aromatic hydrocarbons in the feedstock containing C2+ alkyl groups and to saturate C2+ olefins formed so as to produce a first effluent. At least a portion of the first effluent is then contacted with a second catalyst comprising a second molecular sieve having a Constraint Index less than 3 under conditions effective to transalkylate C9+ aromatic hydrocarbons with said at least one C6-C7 aromatic hydrocarbon to form a second effluent comprising xylene.
    • 在通过C 9 +芳族烃原料与C 6和/或C 7芳烃的烷基转移生产二甲苯的方法中,C 9 +芳烃原料,至少一种C 6和/或C 7芳烃和氢与第一催化剂接触,所述第一催化剂包含( i)具有在约3至约12范围内的约束指数的第一分子筛和(ii)至少元素周期表第6至12族的第一和第二不同金属或其化合物。 与第一催化剂接触在有效地使含有C 2 +烷基的原料中芳族烃脱烷基化并使形成的C 2 +烯烃饱和以产生第一流出物的条件下进行。 然后至少一部分第一流出物与包含第二分子筛的第二催化剂接触,该第二催化剂在有效使C 9+芳族烃与所述至少一种C 6 -C 7芳族烃烷基转移的条件下具有小于3的约束指数,以形成第二流出物 包括二甲苯。
    • 35. 发明申请
    • Heavy Aromatics Processing Catalyst and Process of Using the Same
    • 重芳烃加工催化剂及其使用方法
    • US20090112034A1
    • 2009-04-30
    • US12249279
    • 2008-10-10
    • Doron Levin
    • Doron Levin
    • C07C5/52
    • C07C6/126B01J29/44B01J29/48B01J29/7469B01J29/80B01J35/0006B01J35/026B01J37/18B01J2229/186B01J2229/42C07C2529/44C07C2529/74Y02P20/52C07C15/08
    • This disclosure relates to a catalyst system adapted for transalkylation a C9+ aromatic feedstock with a C6-C7 aromatic feedstock, comprising: (a) a first catalyst comprising a first molecular sieve having a Constraint Index in the range of 3-12 and 0.01 to 5 wt. % of at least one source of a first metal element of Groups 6-10; and (b) a second catalyst comprising a second molecular sieve having a Constraint Index less than 3 and 0 to 5 wt. % of at least one source of a second metal element of Groups 6-10, wherein the weight ratio of the first catalyst over the second catalyst is in the range of 5:95 to 75:25 and wherein the first catalyst is located in front of the second catalyst when they are brought into contacting with the C9+ aromatic feedstock and the C6-C7 aromatic feedstock in the present of hydrogen.
    • 本公开涉及一种适于使C 9+芳族原料与C 6 -C 7芳族原料进行烷基转移的催化剂体系,其包含:(a)第一催化剂,其包含第一分子筛,其约束指数为3-12和0.01至5 重量 至少一个第6-10族第一金属元素源的%; 和(b)包含第二分子筛的第二催化剂,所述第二分子筛具有小于3和0-5重量%的约束指数。 至少一种第6-10族第二金属元素源的%,其中第一催化剂与第二催化剂的重量比在5:95至75:25的范围内,其中第一催化剂位于前面 的第二催化剂当它们与C9 +芳族原料和当前氢气中的C6-C7芳族原料接触时。