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43 条记录 (耗时 0.027 秒)

    Redispersion of agglomerated noble metals on zeolite catalysts
    1.
    发明授权
    Redispersion of agglomerated noble metals on zeolite catalysts 失效
    附聚贵金属在沸石催化剂上的再分散

    公开(公告)号：US4657874A

    公开(公告)日：1987-04-14

    申请号：US819074

    申请日：1986-01-15

    申请人： William S. Borghard ,  Tracy J. Huang ,  Sharon B. McCullen ,  Hans J. Schoennagel ,  Ying-Yen P. Tsao ,  Stephen S. Wong

    发明人： William S. Borghard ,  Tracy J. Huang ,  Sharon B. McCullen ,  Hans J. Schoennagel ,  Ying-Yen P. Tsao ,  Stephen S. Wong

    IPC分类号： B01J29/90 ,  B01J38/42 ,  C10G35/095 ,  B01J29/38 ,  B01J38/44

    CPC分类号： C10G35/095 ,  B01J29/90 ,  B01J38/42

    摘要： A process is described for rejuvenation of a deactivated highly siliceous noble metal-containing zeolite catalyst having a framework silica to alumina ratio of at least about 20 which contains agglomerated noble metal in its deactivated state. The process comprises redispersing the noble metals associated with the deactivated catalyst by contacting the catalyst with a stream of inert gas containing molecular chlorine, water and optionally, oxygen, a temperatures ranging from about 150.degree. to about 450.degree. C., a partial pressure of chlorine of from about 6 to about 15 Torr and a ratio of partial pressure of water to partial pressure of chlorine of from about 0.01 to about 2 for a period of time sufficient to achieve redispersion; purging said catalyst with an inert gas; and reducing said purged catalyst in a stream of hydrogen at a temperature ranging from about 140.degree. C. to 550.degree. C.

    摘要翻译： 描述了一种用于使具有至少约20的骨架二氧化硅与氧化铝比的失活的高含硅含贵金属的沸石催化剂再生的方法，其含有处于其失活状态的附聚的贵金属。 该方法包括通过使催化剂与含有分子氯，水和任选的氧的惰性气体流接触来将与失活的催化剂相关联的贵金属再分散，温度范围为约150℃至约450℃， 约6至约15托的氯，水的分压与氯的分压的比例为约0.01至约2，持续足以实现再分散的时间; 用惰性气体吹扫所述催化剂; 并在约140℃至550℃的温度范围内将氢气流中的所述吹扫的催化剂还原。

    Regeneration of noble metal-highly siliceous zeolite with sequential hydrogen halide and halogen or organic-halogen compound treatment
    2.
    发明授权
    Regeneration of noble metal-highly siliceous zeolite with sequential hydrogen halide and halogen or organic-halogen compound treatment 失效
    用连续卤化氢和卤素或有机 - 卤素化合物处理再生贵金属 - 高硅质沸石

    公开(公告)号：US4645751A

    公开(公告)日：1987-02-24

    申请号：US814082

    申请日：1985-12-23

    申请人： Sharon B. McCullen ,  Stephen S. Wong ,  Tracy J. Huang

    发明人： Sharon B. McCullen ,  Stephen S. Wong ,  Tracy J. Huang

    IPC分类号： B01J29/90 ,  B01J38/44 ,  B01J29/38 ,  B01J38/42

    CPC分类号： B01J29/90 ,  B01J38/44

    摘要： A process is described for rejuvenation of a deactivated highly siliceous noble metal-containing zeolite catalyst which contains agglomerated noble metals. The process comprises initially reducing the deactivated catalyst in hydrogen, pretreating the thus reduced catalyst with an inert gas stream containing about 0.001 to 10 weight percent hydrogen chloride, redispersing the noble metal with an inert gas stream containing about 0.001 to 10 weight percent Cl in the form of Cl.sub.2 or Cl-containing organic material, and subsequently reducing the catalyst. The Cl-treatments may optionally occur in the presence of oxygen or sources of oxygen.

    摘要翻译： 描述了一种包含聚集的贵金属的失活的高含硅含贵金属的沸石催化剂的再生方法。 该方法包括首先在氢中还原失活的催化剂，用含有约0.001至10重量％氯化氢的惰性气流预处理如此还原的催化剂，将贵金属用含有约0.001至10重量％Cl的惰性气流再分散在 形式的Cl 2或Cl的有机材料，随后还原催化剂。 Cl处理可以任选地在氧气或氧源存在下进行。

    Preparation of metal-containing zeolite catalysts of increased stability and activity
    3.
    发明授权
    Preparation of metal-containing zeolite catalysts of increased stability and activity 失效
    具有增加稳定性和活性的含金属沸石催化剂的制备

    公开(公告)号：US4532225A

    公开(公告)日：1985-07-30

    申请号：US639273

    申请日：1984-08-09

    申请人： Ying-Yen P. Tsao ,  Stephen S. Wong

    发明人： Ying-Yen P. Tsao ,  Stephen S. Wong

    IPC分类号： B01J29/064 ,  B01J29/076 ,  B01J29/10 ,  B01J29/28

    CPC分类号： B01J29/064 ,  B01J29/076

    摘要： A method of incorporating metals onto a crystalline aluminosilicate zeolite support comprises first depositing a metal which forms bonds with the zeolite and subsequently depositing a catalytically active metal into the zeolite which becomes associated with the first metal. The catalytically active metals may be introduced by decomposition of an organometallic complex which contains pi-electron donating ligands.

    摘要翻译： 将金属掺入到结晶硅铝酸盐沸石载体上的方法包括首先沉积与沸石形成键的金属，随后将催化活性金属沉积到与第一金属相关的沸石中。 催化活性金属可以通过分解含有π-电子给体配体的有机金属络合物来引入。

    Preparation of metal-containing zeolite catalysts of increased stability and activity
    5.
    发明授权
    Preparation of metal-containing zeolite catalysts of increased stability and activity 失效
    具有增加稳定性和活性的含金属沸石催化剂的制备

    公开(公告)号：US4472517A

    公开(公告)日：1984-09-18

    申请号：US465854

    申请日：1983-02-11

    申请人： Ying-Yen P. Tsao ,  Stephen S. Wong

    发明人： Ying-Yen P. Tsao ,  Stephen S. Wong

    IPC分类号： B01J29/064 ,  B01J29/076 ,  B01J29/10 ,  B01J29/28

    CPC分类号： B01J29/076 ,  B01J29/064

    摘要： A method of incorporating metals onto a crystalline aluminosilicate zeolite support comprises first depositing a metal which forms bonds with the zeolite and subsequently depositing a catalytically active metal into the zeolite which becomes associated with the first metal. Both metals may be introduced by decomposition of organometallic complexes such as allyl complexes.

    摘要翻译： 将金属掺入到结晶硅铝酸盐沸石载体上的方法包括首先沉积与沸石形成键的金属，随后将催化活性金属沉积到与第一金属相关的沸石中。 两种金属可以通过有机金属络合物如烯丙基络合物的分解引入。

    Catalyst pretreatment for regenerated noble metal on zeolite catalyst
    6.
    发明授权
    Catalyst pretreatment for regenerated noble metal on zeolite catalyst 失效
    再生贵金属催化剂预处理沸石催化剂

    公开(公告)号：US4752595A

    公开(公告)日：1988-06-21

    申请号：US938088

    申请日：1986-12-04

    申请人： Sharon B. McCullen ,  Y. Y. Peter Tsao ,  Stephen S. Wong

    发明人： Sharon B. McCullen ,  Y. Y. Peter Tsao ,  Stephen S. Wong

    IPC分类号： B01J29/90 ,  B01J38/14 ,  C10G65/14 ,  B01J29/38 ,  B01J38/10 ,  B01J39/18

    CPC分类号： B01J38/14 ,  B01J29/90 ,  C10G65/14

    摘要： A process is described for regenerating a coke and poison deactivated noble metal-containing zeolite catalyst material. The activity of the catalyst after oxygen regeneration can be improved by treating the oxidized catalyst at temperatures from 100.degree. to 250.degree. C. (212.degree.-482.degree. F.) or lower, preferably 100.degree. to 200.degree. C. (212.degree.-392.degree. F.), or most preferably 150.degree. to 200.degree. C. (302.degree.-392.degree. F.), in a reducing atmosphere, as opposed to higher conventional reducing temperatures. The process permits catalyst reactivation by removing coke and other poisons, such as nitrogen, from the catalyst while avoiding excess agglomeration of the noble metals thereon.

    摘要翻译： 描述了用于再生焦炭和毒物失活的含贵金属的沸石催化剂材料的方法。 氧化还原后催化剂的活性可以通过在100-250℃（212-482°F）或更低，优选在100-2200℃（212℃）下处理氧化催化剂来改善。 392°F），或最优选150°至200℃（302°-392°F），在还原气氛中，与较高的常规还原温度相反。 该方法允许催化剂通过从催化剂中除去焦炭和其它毒物（例如氮）而再次活化，同时避免贵金属在其上的过度附聚。

    Lubricant production process
    7.
    发明授权
    Lubricant production process 失效
    润滑油生产过程

    公开(公告)号：US4919788A

    公开(公告)日：1990-04-24

    申请号：US260857

    申请日：1988-10-21

    申请人： Nai Y. Chen ,  William E. Garwood ,  Tracy J. Huang ,  Quang N. Le ,  Stephen S. Wong

    发明人： Nai Y. Chen ,  William E. Garwood ,  Tracy J. Huang ,  Quang N. Le ,  Stephen S. Wong

    IPC分类号： C10G45/64 ,  C10G65/04 ,  C10G67/04

    CPC分类号： C10G67/04 ,  C10G45/64 ,  C10G65/043

    摘要： A process for producing lubricant oils of low pour point and high viscosity index by first carrying out a partial dewaxing of a lubricant base stock in an initial catalytic dewaxing operation, followed by a selective dewaxing step. The initial catalytic dewaxing step is carried out using a large pore, high silica zeolite dewaxing catalyst such as high silica Y or zeolite beta which dewaxes by isomerizing the waxy components of the base stock to less waxy brance chain isoparaffins but the severity of the operation is controlled so as to effect only a partial removal of the waxy components. Further removal of the waxy components is effected during the subsequent dewaxing step which is selective for the removal of the more waxy n-paraffin components, leaving the branched chain isoparaffins which contribute to a high VI in the product. The selective dewaxing step may be either a solvent, e.g. MEK dewaxing operation or a catalytic dewaxing using a highly shape selective zeolite such as ZSM-22 or ZSM-23. The severity of the initial catalytic dewaxing operation may be controlled so as to effect a net increase in the content of isoparaffins and because of the selective nature of the solvent dewaxing step, this increased isoparaffins concentration may be retained, producing a product of high VI. The pour point of the feedstock is preferably reduced during the initial catalytic dewaxing step to a value which is no lower than 10.degree. F. and preferably no lower than 20.degree. F., above the target pour point for the products. Generally, this will entail a reduction of at least 10.degree. F. and preferably at least 20.degree. F. in the pour point of the feed.

    摘要翻译： 首先在初始催化脱蜡操作中进行润滑剂原料的部分脱蜡，然后进行选择性脱蜡步骤，生产低倾点和高粘度指数的润滑油的方法。 初始催化脱蜡步骤使用大孔，高二氧化硅沸石脱蜡催化剂如高二氧化硅Y或沸石β进行，该脱蜡通过使基础油料的蜡质组分异构化成较少的蜡状分支链异链烷烃，但操作的严重性是 被控制以仅影响蜡组分的部分去除。 在随后的脱蜡步骤中进一步除去蜡状组分，该脱蜡步骤选择性地除去更多的蜡状正链烷烃组分，留下有助于产物中高VI的支链异链烷烃。 选择性脱蜡步骤可以是溶剂，例如 MEK脱蜡操作或使用ZSM-22或ZSM-23等高选择性沸石的催化脱蜡。 可以控制初始催化脱蜡操作的严重性，以便实现异链烷烃含量的净增加，并且由于溶剂脱蜡步骤的选择性，可以保留这种增加的异链烷烃浓度，从而产生高VI的产物。 原料的倾点优选在初始催化脱蜡步骤期间降低至不低于产物的目标倾点的10°F，优选不低于20°F的值。 通常，这将导致在进料的倾点下降至少10°F，优选至少降低20°F。