Process for preparing aromatic hydrocarbons
    3.
    发明授权
    Process for preparing aromatic hydrocarbons 失效
    制备芳香烃的方法

    公开(公告)号:US5073652A

    公开(公告)日:1991-12-17

    申请号:US586343

    申请日:1990-09-21

    CPC分类号: C07C5/417 Y02P20/52

    摘要: The aromatic hydrocarbons rich in benzene, toluene and xylene are prepared from a hydrocarbon feed having from 6 to 12 carbon atoms by feeding the hydrogen in admixture with hydrogen in a ratio ranging from 0 to less than 1 mole with respect to each mole of the hydrocarbon, into contact with a catalyst prepared by depositing at least one metal belonging to group VIII of the periodic table on a macroporous zeolite treated with a halogenated compound. The aromatic hydrocarbons rich in benzene, toluene and xylene are useful as a base for high octane number gasoline or as petrochemical raw materials.

    Process for alkylating an isoparaffin with a salt of a heteropoly-acid
as a catalyst
    4.
    发明授权
    Process for alkylating an isoparaffin with a salt of a heteropoly-acid as a catalyst 失效
    用杂多酸的盐作为催化剂烷基化异链烷烃的方法

    公开(公告)号:US5321196A

    公开(公告)日:1994-06-14

    申请号:US26496

    申请日:1993-03-04

    IPC分类号: C07C2/58 C07C2/62

    摘要: A process for alkylating an isoparaffin comprising reacting an isoparaffin with a monoolefin in the presence of a salt of a heteropoly-acid as a solid catalyst. The salt of the heteropoly-acid is a compound obtained by substituting a cation for a hydrogen ion of a heteropoly-acid of the formula H.sub.k.X.Y.sub.m.Z.sub.12-m.O.sub.40.nH.sub.2 O, wherein X is a hetero-atom selected from the group consisting of P, Si, Ge and As, each of Y and Z is a polyatom selected from the group consisting of W, Mo and V, k is 3 or 4, m is 0 or 1, and n is a positive number.

    摘要翻译: 一种异构烷烃烷基化方法,包括在杂多酸盐作为固体催化剂的存在下使异链烷烃与单烯烃反应。 杂多酸的盐是通过用阳离子取代式Hk.X.Ym.Z12-m.O40.nH2O的杂多酸的氢离子而获得的化合物,其中X是选自以下的杂原子 由P,Si,Ge和As组成的组中,Y和Z各自为选自W,Mo和V的多原子,k为3或4,m为0或1,n为正数 。

    Process for regenerating a deactivated catalyst
    6.
    发明授权
    Process for regenerating a deactivated catalyst 失效
    再生失活催化剂的方法

    公开(公告)号:US5260238A

    公开(公告)日:1993-11-09

    申请号:US951454

    申请日:1992-09-25

    CPC分类号: B01J29/90 B01J38/54

    摘要: There is disclosed a process for regenerating a deactivated catalyst containing a zeolite and a noble metal of group VIII of the Periodic Table supported thereon which comprises subjecting the deactivated catalyst to decoking treatment under reductive or oxidative condition and subsequently to contact treatment with a solution containing a halogen or a halogen-containing compound and thereafter calcining the deactivated catalyst. According to the above process, the catalytic activity of a deactivated catalyst is restored to the level comparable to that of a fresh catalyst by the use of an inexpensive regenerating agent and simplified steps. Thus, the regeneration process is expected to find effective use in petroleum refinery, petrochemical industry, etc.

    Reforming using a bound halided zeolite catalyst
    8.
    发明授权
    Reforming using a bound halided zeolite catalyst 有权
    使用结合的卤化沸石催化剂进行重整

    公开(公告)号:US06190539B1

    公开(公告)日:2001-02-20

    申请号:US09200053

    申请日:1998-11-24

    IPC分类号: C10G3506

    摘要: A catalytic reforming process comprising the catalytic conversion of hydrocarbons to aromatics, said process comprising treating a halided zeolite catalyst (hiz-cat) containing a Group VIII metal at commercial startup conditions and then reforming hydrocarbons, wherein said catalyst is prepared by washing a bound zeolite catalyst base or a bound zeolite catalyst before halide addition. A preferred hiz-cat is a non-acidic Pt K L-zeolite catalyst prepared by a process that includes the steps of preparing a calcined silica-bound K L-zeolite catalyst base; washing said bound zeolite catalyst base with a liquid comprising water; and incorporating Pt and halogen-containing compound(s) comprising chlorine and fluorine into said washed catalyst base. Ammonium chloride and ammonium fluoride are preferred halide sources.

    摘要翻译: 一种催化重整方法,包括将烃催化转化成芳族化合物,所述方法包括在商业启动条件下处理含有第Ⅷ族金属的卤化沸石催化剂(氢氧化钾),然后重整烃,其中所述催化剂是通过洗涤结合的沸石 催化剂底物或结合的沸石催化剂。 优选的咪唑是通过包括以下步骤制备的非酸性Pt K L-沸石催化剂,所述方法包括制备煅烧二氧化硅结合的KL-沸石催化剂基质的步骤; 用包含水的液体洗涤所述结合的沸石催化剂基质; 并将含有氯和氟的Pt和含卤素的化合物掺入所述洗涤的催化剂基质中。 氯化铵和氟化铵是优选的卤化物源。

    Reforming process using monofunctional catalyst containing bismuth
    9.
    发明授权
    Reforming process using monofunctional catalyst containing bismuth 失效
    使用含有铋的单官能催化剂进行重整工艺

    公开(公告)号:US5851379A

    公开(公告)日:1998-12-22

    申请号:US995588

    申请日:1997-12-22

    CPC分类号: C10G35/095 B01J29/62

    摘要: A catalytic reforming process is disclosed using a catalyst containing a Group VIII metal, low amounts of bismuth, and a zeolite L. The catalyst is a non-acidic, monofunctional reforming catalyst. Preferably, the catalyst contains one or more halogens. Preferably, the feed includes C.sub.8 hydrocarbons. The addition of small amounts of bismuth increase or substantially maintain catalyst stability. Unexpectedly low dealkylation rates are achieved using the catalyst while reforming to produce aromatics, especially to produce xylenes such as paraxylene.

    摘要翻译: 公开了使用含有Ⅷ族金属,少量铋和沸石L的催化剂的催化重整方法。催化剂是非酸性单官能改性催化剂。 优选地,催化剂含有一种或多种卤素。 优选地,进料包括C8烃。 添加少量的铋会增加或显着维持催化剂的稳定性。 使用催化剂,同时重整以产生芳族化合物,特别是生产二甲苯如对二甲苯,实现了意想不到的脱烷基化速率。

    Process for producing aromatic hydrocarbons
    10.
    发明授权
    Process for producing aromatic hydrocarbons 失效
    芳烃生产方法

    公开(公告)号:US5354933A

    公开(公告)日:1994-10-11

    申请号:US183124

    申请日:1994-01-18

    摘要: A process for producing aromatic hydrocarbons comprising contacting at least one hydrocarbon of the paraffin series, olefin series, acetylene series, cyclic paraffin series or cyclic olefin series with a catalyst containing an L-type zeolite containing both platinum components and halogen components supported thereon, the catalyst having a peak intensity of 0.4 or less as determined by X-ray absorption near edge structure (XANES), and the amount of dealuminization in the zeolite is 3% by weight or less, based on the total amount of aluminum therein.

    摘要翻译: 一种制备芳族烃的方法,包括将至少一种链烷烃系列,烯烃系列,乙炔系列,环状链烷烃系列或环烯烃系列烃与含有载有铂组分和卤素组分的L型沸石的催化剂接触, 通过X射线吸收近边缘结构(XANES)测定的峰值强度为0.4以下的催化剂,沸石中脱铝量为3重量%以下,基于铝的总量。