Catalyst comprising at least one zeolite with structure type NES and rhenium, and its use for transalkylation of alkylaromatic hydrocarbons
    11.
    发明授权
    Catalyst comprising at least one zeolite with structure type NES and rhenium, and its use for transalkylation of alkylaromatic hydrocarbons 有权
    包含至少一种结构类型为NES和铼的沸石的催化剂及其用于烷基芳烃的烷基转移的用途

    公开(公告)号:US06613709B1

    公开(公告)日:2003-09-02

    申请号:US09642020

    申请日:2000-08-21

    Abstract: The present invention concerns a catalyst which contain at least one zeolite with structure type NES, preferably NU-87, comprising silicon and at least one element T selected from the group formed by aluminium, iron, gallium and boron. Preferably, element T has been extracted so that the overall Si/T atomic ratio is more than 20. This zeolite is at least partially in its acid form. The binder is preferably alumina. The catalyst also contains at least one metal selected from the group formed by group VIIB, group VIB and iridium, preferably rhenium. Finally, the catalyst optionally also contains at least one metal selected from the group formed by elements from groups III and IV of the periodic table, preferably indium or tin. The present invention also concerns the use of the catalyst in a process for transalkylating alkylaromatic hydrocarbons such as toluene and alkylaromatic compounds containing at least 9 carbon atoms. In particular, this catalyst is highly effective in treating C9+ aromatic feeds containing more than 5% by weight of aromatic olefins containing 10 carbon atoms and more, this feed possibly also containing benzene.

    Abstract translation: 本发明涉及含有至少一种结构类型为NES,优选为NU-87的沸石的催化剂,其包含硅和选自由铝,铁,镓和硼形成的基团中的至少一种元素T. 优选地,提取元素T使得总Si / T原子比大于20.该沸石至少部分为其酸形式。 粘合剂优选为氧化铝。 该催化剂还含有选自由ⅦB族,ⅥB族和铱族,优选铼形成的族中的至少一种金属。 最后,催化剂任选地还含有至少一种选自元素周期表III和IV族的元素形成的金属,优选为铟或锡。 本发明还涉及催化剂在烷基化烷基芳烃如甲苯和含有至少9个碳原子的烷基芳族化合物的方法中的用途。 特别地,该催化剂在处理含有大于5重量%的含有10个碳原子的芳族烯烃和更多的芳族烯烃的C9 +芳族原料方面是非常有效的,该进料还可能含有苯。

    Functionalized molecular sieves
    16.
    发明授权
    Functionalized molecular sieves 失效
    官能化分子筛

    公开(公告)号:US06331500B1

    公开(公告)日:2001-12-18

    申请号:US09127543

    申请日:1998-07-31

    Abstract: The present invention relates to functionalized molecular sieves that are useful as shape-selective adsorbents and catalysts. The inventive molecular sieves have a crystalline framework and include micropores of substantially uniform size and shape formed therein. These micropores contain one or more accessible organic moieties that are linked to the crystalline framework by a carbon-silicon ond. Shape selectivity of the inventive molecular sieves may be modulated by varying the size and shape of the micropores (which is a function of the particular molecular sieve being synthesized) and the organic moiety incoporated therein. In preferred embodiments, the molecular sieves of the present invention include crosslinked monomers of the formula wherein: X is a subsituted or unsubstituted moiety and R1 and R2 are each independently either oxygen, or a substituted or unsubstituted moiey, wherein the moiety is selected from the group consisting of C1-C20 alkyl, C2-C10 alkenyl, C2-C20 alkynyl, cycloalkyl, cycloalkenyl, aryl, and heteroaryl, each optionally substituted with one or more substituents elected from the group consisting of C1-C5 alkyl, C2-C5 alkenyl, C2-C5 alkynyl, cycloalkyl, cycloalkenyl, aryl, heteroaryl, and a functional group. Because the molecular sieve framework is generally robust to a variety of synthetic conditions, the incorporated organic moieties may be further functionalized with standard protocols in most cases.

    Abstract translation: 本发明涉及可用作形状选择性吸附剂和催化剂的官能化分子筛。 本发明的分子筛具有晶体框架,并且包括在其中形成的基本均匀的尺寸和形状的微孔。 这些微孔含有一个或多个可接触的有机部分,其通过碳 - 硅连接到结晶骨架上。 本发明分子筛的形状选择性可以通过改变微孔的尺寸和形状来调节(这是所合成的特定分子筛的函数),并且在其中引入有机部分。 在优选的实施方案中,本发明的分子筛包括糠醛的交联单体:X是取代或未取代的部分,R 1和R 2各自独立地为氧或取代或未取代的醇酸,其中所述部分选自 的C 1 -C 20烷基,C 2 -C 10烯基,C 2 -C 20炔基,环烷基,环烯基,芳基和杂芳基,各自任选被一个或多个选自C 1 -C 5烷基,C 2 -C 5烯基,C 2 -C5炔基,环烷基,环烯基,芳基,杂芳基和官能团。 因为分子筛框架对于各种合成条件通常是鲁棒的,所以在大多数情况下,掺入的有机部分可以用标准方案进一步官能化。

    Preparation of uniformly impregnated extrudate catalyst
    17.
    发明授权
    Preparation of uniformly impregnated extrudate catalyst 有权
    均匀浸渍挤出物催化剂的制备

    公开(公告)号:US06303530B1

    公开(公告)日:2001-10-16

    申请号:US09358960

    申请日:1999-07-22

    CPC classification number: B01J29/068 B01J37/0009

    Abstract: A method for preparing a catalyst having one or more noble metals disposed in a relatively homogeneous distribution on a base which includes an inorganic refractory binder and a zeolite. The method provides for uniformly depositing noble metals on the base after it is formed, without unnecessarily displacing desirable nonframework cations, such as sodium, from the zeolite.

    Abstract translation: 一种制备具有一个或多个贵金属的催化剂的方法,所述贵金属以相对均匀的分布布置在包括无机耐火粘合剂和沸石的基材上。 该方法提供在形成之后在基底上均匀沉积贵金属,而不必从沸石中不必要地将所需的非骨架阳离子(例如钠)置换。

    Silicon substituted EMC-2 zeolite: LZ-281
    18.
    发明授权
    Silicon substituted EMC-2 zeolite: LZ-281 有权
    硅取代的EMC-2沸石:LZ-281

    公开(公告)号:US06200463B1

    公开(公告)日:2001-03-13

    申请号:US09366513

    申请日:1999-08-03

    CPC classification number: B01J29/7019 B01J2229/16 C10G11/05 C10G47/16

    Abstract: Applicants have prepared a novel zeolite identified as LZ-281. This zeolite has the framework topology of zeolite EMT. The LZ-281 zeolite is prepared by removing framework aluminum atoms from EMC-2 zeolite while simultaneously replacing the aluminum atoms with extraneous silicon atoms. This increases the SiO2/Al2O3 ratio versus the starting EMC-2 zeolite and results in the LZ-281 zeolite having increased thermal stability, increased number and/or strength of acid sites and increased activity in hydrocarbon processes requiring strong acid sites.

    Abstract translation: 申请人已经制备了一种鉴定为LZ-281的新型沸石。 该沸石具有沸石EMT的骨架拓扑结构。 通过从EMC-2沸石中除去骨架铝原子同时用外来硅原子代替铝原子来制备LZ-281沸石。 这相对于起始的EMC-2沸石增加了SiO 2 / Al 2 O 3比例,并且导致LZ-281沸石具有增加的热稳定性,增加的酸位数和/或强度以及在需要强酸性位点的烃法中增加的活性。

    Method for preparing catalyst
    19.
    发明授权
    Method for preparing catalyst 有权
    制备催化剂的方法

    公开(公告)号:US06812180B2

    公开(公告)日:2004-11-02

    申请号:US10076589

    申请日:2002-02-19

    Inventor: Tetsuya Fukunaga

    CPC classification number: B01J37/0201 B01J29/62

    Abstract: A method for preparing a catalyst is herein disclosed which comprises the steps of impregnating a carrier with active components, particularly a platinum-containing compound and one or more halogen-containing compounds, drying the impregnated carrier, and then calcining the same, said drying treatment being carried out while the impregnated carrier is in a drifting condition. According to the above method, an activity of the catalyst can be improved, and a cracking selectivity can be reduced.

    Abstract translation: 本文公开了一种制备催化剂的方法,其包括以下步骤:用活性组分,特别是含铂化合物和一种或多种含卤素化合物浸渍载体,干燥浸渍的载体,然后煅烧所述干燥处理 在浸渍的载体处于漂移状态时进行。 根据上述方法,能够提高催化剂的活性,可以降低开裂选择性。

Patent Agency Ranking