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    • 44. 发明申请
    • PROCESS FOR PRODUCING OLEFINS FROM OXYGENATE
    • 从氧化剂生产烯烃的方法
    • WO02032837A1
    • 2002-04-25
    • PCT/US2001/029520
    • 2001-09-21
    • C07C1/20C07C2/86C07C15/073C07C15/08C07C15/067
    • C07C2/865C07C1/20C07C2/864C07C15/073C07C15/08C07C2521/02C07C2521/08C07C2521/10C07C2527/16C07C2529/40C07C2529/65C07C2529/70C07C2529/85Y02P30/42
    • There is provided a process for converting methanol and/or dimethyl ether to a product containing olefin, e.g., C2 to C4 olefins, C9+ aromatics and non-C9+ aromatics which comprises: (1) contacting a feed which contains methanol and/or dimethyl ether with a catalyst comprising a porous crystalline material, said contacting step being conducted in the presence of aromatics comprising C9 or C9+ aromatic compound produced in said process under conversion conditions including a temperature of 350 DEG C to 480 DEG C and a methanol partial pressure in excess of 10 psia (70 kPa), said porous crystalline material having a Diffusion Parameter for 2,2-dimethylbutane of about 0.1 sec to about 20 sec when measured at a temperature of 120 DEG C and a 2,2-dimethylbutane pressure of 60 torr (8 kPa), and the aromatics being capable of alkylation by the methanol and/or dimethyl ether under said conversion conditions to provide a stream which contains C2 to C4 olefins and C9 or C9+ aromatic compound; (2) separating said stream to form a substantially C2 to C4 olefin product stream and a substantially C9 or C9+ aromatic compound stream; and 3) recycling at least a portion of said substantially C9 or C9+ aromatic compound stream to step (1).
    • 提供了一种将甲醇和/或二甲醚转化为含有烯烃的产物,例如C 2 -C 4烯烃,C 9+芳族化合物和非C 9+芳族化合物的方法,其包括:(1)使含有甲醇和/或二甲醚的进料 所述接触步骤在包含C9或C9 +芳族化合物的芳族化合物存在下进行,所述芳族化合物在所述方法中产生的转化条件包括350℃至480℃的温度和超过甲醇的分压 为10psia(70kPa),当在120℃的温度下测量时,所述多孔结晶材料具有约0.1秒-1至约20秒-1的2,2-二甲基丁烷的扩散参数和2 2-二甲基丁烷压力为60托(8kPa),并且芳族化合物能够在所述转化条件下由甲醇和/或二甲醚进行烷基化以提供含有C 2至C 4烯烃和C 9或C 9 +芳族化合物 ound; (2)分离所述物流以形成基本上C2至C4烯烃产物流和基本上C9或C9 +芳族化合物流; 和3)将至少一部分所述基本上C9或C9 +芳族化合物流再循环到步骤(1)。
    • 45. 发明申请
    • L-TYPE ZEOLITE CATALYST COMPRISING PLATINUM, HALOGEN AND GROUP IB METAL
    • 包含铂,卤素和IB族金属的L型沸石催化剂
    • WO00009263A1
    • 2000-02-24
    • PCT/JP1999/004298
    • 1999-08-09
    • B01J29/61B01J29/62B01J29/63C07B61/00C07C5/41C07C15/04C07C15/067C10G35/09C10G35/095
    • C10G35/095B01J29/62B01J2229/42C07C5/415C07C5/417C07C2523/52C07C2529/62
    • There are herein disclosed an L-type zeolite catalyst which is obtainable by supporting a platinum component, one or more halogen components and one or more metal components selected from the group Ib of the periodic table on an L-type zeolite, the support amount of one or more metal components selected from the group Ib being in the range of 0.001 to 3 % by weight based on the total weight of the catalyst in terms of the metal, a molar ratio of one or more metal components selected from the group Ib/platinum being in the range of 0.01 to 1; and a method for producing aromatic hydrocarbons or a gasoline having a high octane number which comprises the step of bringing one or more fractions selected from a C6 fraction, a C7 fraction and a C8 fraction into contact with this catalyst. According to the present invention, there are provided a catalyst containing an L-type zeolite as a carrier which is desirable as a catalyst for the production of aromatic hydrocarbons or a gasoline having a high octane number and which can inhibit a cracking activity and the formation of coke and can improve an aromatic selectivity and a liquid yield.
    • 本文公开了一种L型沸石催化剂,其可以通过在L型沸石上负载铂组分,一种或多种卤素组分和选自元素周期表第1b族中的一种或多种金属组分,其支撑量 选自Ib族中的一种或多种金属组分的含量相对于催化剂的总重量为0.001至3重量%,以金属计,一种或多种选自Ib / 铂在0.01至1的范围内; 以及用于生产芳族烃或具有高辛烷值的汽油的方法,其包括使从C6馏分,C7馏分和C8 +馏分中选出的一种或多种馏分与该催化剂接触的步骤。 根据本发明,提供了含有L型沸石作为载体的催化剂,作为用于制备芳族烃的催化剂或具有高辛烷值的汽油并且可以抑制裂化活性和形成的催化剂 的焦炭,并且可以提高芳族选择性和液体产率。