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31 条记录 (耗时 0.019 秒)

    Process for dismutation and transalkylation of aromatic hydrocarbons in the presence of a zeolite catalyst
    12.
    发明授权
    Process for dismutation and transalkylation of aromatic hydrocarbons in the presence of a zeolite catalyst 失效
    在沸石催化剂存在下芳烃的歧化和烷基转移的方法

    公开(公告)号：US4723048A

    公开(公告)日：1988-02-02

    申请号：US901333

    申请日：1986-08-28

    申请人： Pierre Dufresne ,  Christian Marcilly ,  Francis Raatz

    发明人： Pierre Dufresne ,  Christian Marcilly ,  Francis Raatz

    IPC分类号： B01J29/00 ,  B01J29/20 ,  C07B61/00 ,  C07C1/00 ,  C07C6/12 ,  C07C15/02 ,  C07C67/00 ,  C07C5/22

    CPC分类号： C07C6/123 ,  B01J29/20 ,  C07C6/126 ,  C07C2521/04 ,  C07C2521/08 ,  C07C2521/12 ,  C07C2521/16 ,  C07C2529/18 ,  C07C2529/22 ,  C07C2529/24

    摘要： The invention concerns an improved process for dismutation and transalkylation of alkylaromatic hydrocarbons in the presence of a catalyst consisting essentially of acid mordenite having a total SiO.sub.2 /Al.sub.2 O.sub.3 molar ratio from 9 to 80 and a sodium content lower than 1% by weight, said catalyst containing at least one metal selected from group M formed of nickel, palladium and metals from group I.sub.B of the periodic classification of elements and containing at least one metal of group IV.sub.A of said classification.The catalyst preferably contains from 30 to 99.9 % by weight of mordenite, from 0.005 to 25% by weight of a group M metal, from 0.05 to 10% by weight of a group IV.sub.A metal and optionally up to 50% by weight of a binding agent.The invention is particularly useful for dismutation of toluene or transalkylation of toluene and of alkylaromatic hydrocarbons having at least 9 carbon atoms per molecule.

    摘要翻译： 本发明涉及一种改进的烷基芳族烃的脱烷基和烷基转移方法，该催化剂主要由总SiO 2 / Al 2 O 3摩尔比为9至80，钠含量低于1重量％的酸性丝光沸石组成的催化剂存在下进行，所述催化剂含 选自由元素周期分类的IB组成的镍，钯和金属的至少一种金属，并含有至少一种所述分类的IVA族金属。 催化剂优选含有30-99.9重量％的丝光沸石，0.005-25重量％的M族金属，0.05-10重量％的IVA族金属和任选的至多50重量％的结合物 代理商 本发明特别可用于甲苯的分解或甲苯和每分子具有至少9个碳原子的烷基芳烃的烷基转移。

    Catalyst with a mordenite base containing at least one metal of groups IIa, IVb, IIb or IVa and its use in isomerization of a C8 aromatic cut
    13.
    发明授权
    Catalyst with a mordenite base containing at least one metal of groups IIa, IVb, IIb or IVa and its use in isomerization of a C8 aromatic cut 失效
    具有含有IIa，IVb，IIb或IVa族的至少一种金属的丝光沸石基质的催化剂及其在C8芳族切割异构化中的用途

    公开(公告)号：US5302770A

    公开(公告)日：1994-04-12

    申请号：US61475

    申请日：1993-05-17

    申请人： Jean M. Basset ,  Agnes Choplin ,  Francis Raatz ,  Albert Theolier ,  Christine Travers

    发明人： Jean M. Basset ,  Agnes Choplin ,  Francis Raatz ,  Albert Theolier ,  Christine Travers

    IPC分类号： B01J29/18 ,  C07C5/27 ,  C07C15/08 ,  C10G35/095 ,  C10G45/64 ,  C07C5/22

    CPC分类号： B01J29/18 ,  C07C5/2724

    摘要： The invention relates to a catalyst for isomerization of a C8 aromatic cut containing a mordenite characterized in that said mordenite contains at least one metal of groups IIa, IVb, IIb or IVa and is such that:its overall Si/Al atomic ratio is between 6 and 15,its sodium content by weight relative to the weight of dry mordenite is less than 2000 ppm,its elementary mesh volume is between 2.725 and 2.785 nm.sup.3,its n-hexane adsorption capacity is greater than 0.065 cm.sup.3 of liquid/gram,its isooctane adsorption capacity is less than 0.068 cm.sup.3 of liquid/gram.The invention also relates to the preparation of this mordenite by grafting on an H-shaped mordenite of at least one organometallic compound of said metal.

    摘要翻译： 本发明涉及含有丝光沸石的C8芳族化合物的异构化催化剂，其特征在于，所述丝光沸石含有至少一种IIa，IVb，IIb或IVa族的金属，并且是这样的：其Si / Al原子比的总和在6 和15，其相对于干燥丝光沸石重量的钠含量小于2000ppm，其基本网孔体积在2.725和2.785nm 3之间，其正己烷吸附容量大于0.065cm 3液体/克，其异辛烷 吸附容量小于0.068立方厘米/克。 本发明还涉及通过接枝在所述金属的至少一种有机金属化合物的H型丝光沸石上来制备该丝光沸石。