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    • 3. 发明申请
    • REFORMATE BENZENE REDUCTION VIA TRANSALKYLATION
    • 通过转化降解苯并噻吩
    • WO2010021771A1
    • 2010-02-25
    • PCT/US2009/044418
    • 2009-05-19
    • CATALYTIC DISTILLATION TECHNOLOGIESROCK, Kerry, L.BOYER, Christopher, C.SMITH, Lawrence, A.
    • ROCK, Kerry, L.BOYER, Christopher, C.SMITH, Lawrence, A.
    • C07C2/66C07B31/00B01J29/00C10L1/16
    • C10G29/205C10G2300/1096C10G2300/4081C10G2400/02
    • A process for reducing benzene content in a reformate stream, including: fractionating a full range reformate comprising benzene, C 7 to C 9 monoalkyl aromatics, and C 1O+ polyalkyl aromatics into at least three fractions including a light reformate fraction comprising the benzene; a medium reformate fraction comprising the C 7 to C 9 monoalkyl aromatics; and a heavy reformate fraction comprising the C 10+ polyalkyl aromatics; feeding the light reformate fraction, the heavy reformate fraction and a transalkylation catalyst to a transalkylation reaction zone; contacting the light fraction and the heavy fraction in presence of the transalkylation catalyst in the transalkylation reaction zone to react at least a portion of the benzene with C 1O+ polyalkyl aromatics to form monoalkyl aromatics; separating an effluent from the transalkylation reaction zone to form a catalyst fraction and a liquid fraction comprising the monoalkyl aromatics.
    • 一种用于还原重整产物流中苯含量的方法,包括:将包含苯,C 7至C 9单烷基芳烃和C 10+多烷基芳族化合物的全范围重整产物分馏成至少三个馏分,包括包含苯的轻重油馏分; 包含C7-C9单烷基芳族化合物的中等重整油馏分; 和包含C10 +多烷基芳烃的重质重质馏分; 将轻重整油馏分,重质量重馏分和烷基转移催化剂加入烷基转移反应区; 在烷基转移反应区中在烷基转移催化剂存在下使轻馏分和重馏分接触,使至少一部分苯与C 1-10烷基芳族化合物反应形成单烷基芳族化合物; 分离来自烷基转移反应区的流出物以形成催化剂级分和包含单烷基芳族化合物的液体级分。