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    Nitrogen resistant paraffin hydroisomerization catalysts
    1.
    发明授权
    Nitrogen resistant paraffin hydroisomerization catalysts 失效
    耐氮石蜡加氢异构化催化剂

    公开(公告)号：US4814543A

    公开(公告)日：1989-03-21

    申请号：US138749

    申请日：1987-12-28

    申请人： Nai Y. Chen ,  William E. Garwood ,  Sharon B. McCullen

    发明人： Nai Y. Chen ,  William E. Garwood ,  Sharon B. McCullen

    IPC分类号： B01J29/66 ,  B01J29/70 ,  B01J29/74 ,  C07C5/27 ,  C10G45/64 ,  C07C5/13

    CPC分类号： C10G45/64 ,  B01J29/064 ,  B01J29/67 ,  B01J29/7484 ,  B01J29/7492 ,  C07C5/2791 ,  B01J2229/42

    摘要： The present invention includes a process and catalyst composition for paraffinic isomerization of a hydrocarbon feedstock which has a paraffin content having no more than 20 carbon atoms per molecule. The feedstock is contacted with a crystalline aluminosilicate zeolite catalyst having pore openings defined by: (1) a ratio of sorption of n-hexane to o-xylene, on a volume percent basis, of greater than about 3, which sorption is determined at a P/P.sub.o of 0.1 and at a temperature of 50.degree. C. for n-hexane and 80.degree. C. for o-xylene and (2) by the ability of selectively cracking 3-methylpentane (3MP) in preference to the doubly branched 2,3-dimethylbutane (DMB) at 1000.degree. F. and 1 atmosphere pressure from a 1/1/1 weight ratio mixture of n-hexane/3-methyl-pentane/2,3-dimethylbutane, with the ratio of rate constants k.sub.3MP/ k.sub.DMB determined at a temperature of 1000.degree. F. being in excess of about 2, e.g., ZSM-22, ZSM-23, AXM-35 and mixtures thereof, in combination with a Group VIII metal, and having a zeolite SiO.sub.2 /Al.sub.2 O.sub.3 ratio of at least about 20:1 at a temperature and pressure suitable for isomerization.

    摘要翻译： 本发明包括用于烃原料的链烷烃异构化的方法和催化剂组合物，其具有每分子具有不超过20个碳原子的链烷烃含量。 原料与具有孔开口的结晶铝硅酸盐沸石催化剂接触，所述沸石催化剂的定义如下：（1）正丁烷与邻二甲苯的吸附比例，以体积百分数计，大于约3，该吸附在 P / Po为0.1，温度为50℃，正己烷和80℃为邻二甲苯，（2）选择性裂解3-甲基戊烷（3MP）优于双支链2 ，三甲基丁烷（DMB）在1000°F和1大气压下，由正己烷/ 3-甲基戊烷/ 2,3-二甲基丁烷的1/1/1重量比混合物与速率常数比例k3MP / kDMB在1000°F的温度下测定为超过约2，例如ZSM-22，ZSM-23，AXM-35及其混合物，与VIII族金属组合，并具有SiO 2 / Al 2 O 3沸石 在适于异构化的温度和压力下至少约20:1的比例。

    Lubricant production process
    2.
    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。

    Process for producing jet fuel with ZSM-22 containing catalist
    5.
    发明授权
    Process for producing jet fuel with ZSM-22 containing catalist 失效
    用含有催化剂的ZSM-22生产喷气燃料的方法

    公开(公告)号：US4717465A

    公开(公告)日：1988-01-05

    申请号：US915935

    申请日：1986-10-06

    申请人： Nai Y. Chen ,  William E. Garwood

    发明人： Nai Y. Chen ,  William E. Garwood

    IPC分类号： B01J29/00 ,  B01J29/70 ,  B01J29/74 ,  C10G45/64 ,  C10L1/04

    CPC分类号： B01J29/7484 ,  C10G45/64 ,  B01J29/7284 ,  B01J29/7684

    摘要： A novel process is disclosed for the production of high boiling jet fuels which comprises contacting a chargestock with an end boiling point of about 750.degree. F. with ZSM-22 under carefully controlled conditions of temperature and pressure and blending the 330.degree. F. plus fraction with a conventional jet fuel in order to obtain a product having acceptable jet fuel properties and having a high boiling range.

    摘要翻译： 公开了一种用于生产高沸点喷气燃料的新方法，其包括在精心控制的温度和压力条件下将具有约750°F的终沸点的电荷料与ZSM-22接触，并将330°F加级分 使用常规的喷气燃料，以获得具有可接受的喷气燃料性能并具有高沸点范围的产品。

    Zeolite-clay composition and uses thereof
    8.
    发明授权
    Zeolite-clay composition and uses thereof 失效

    公开(公告)号：US5140949A

    公开(公告)日：1992-08-25

    申请号：US758668

    申请日：1991-09-12

    申请人： Pochen Chu ,  William E. Garwood

    发明人： Pochen Chu ,  William E. Garwood

    IPC分类号： A23K1/175 ,  B01J20/16 ,  B01J20/18

    CPC分类号： B01J20/18 ,  A23K20/28 ,  B01J20/16

    摘要： A hydrous aluminosilicate adsorbent composition in which the active adsorbent is a mixture of non-fibrous clay with non-fibrous zeolite. The composition is useful as a feed supplement in animal husbandry, and as a topical adsorbent for veterinary use. The mixture has a high capacity for adsorption of ammonium cations, and a synergistically high selectivity for their adsorption. Beneficial effects as feed supplement may arise from lowering the amount of ammonia passed to the liver from the alimentary canal.

    Multistage system for conversion of lower olefins with reactor quenching means
    9.
    发明授权
    Multistage system for conversion of lower olefins with reactor quenching means 失效
    用反应器淬火方法转化低级烯烃的多级体系

    公开(公告)号：US4942021A

    公开(公告)日：1990-07-17

    申请号：US137224

    申请日：1987-12-23

    申请人： William E. Garwood ,  Frederick J. Krambeck ,  John D. Kushnerick ,  Samuel A. Tabak

    发明人： William E. Garwood ,  Frederick J. Krambeck ,  John D. Kushnerick ,  Samuel A. Tabak

    IPC分类号： C07C2/12 ,  C07C11/02 ,  C10G50/00

    CPC分类号： C07C11/02 ,  C07C2/12 ,  C10G50/00

    摘要： A continuous multistage catalytic conversion system for upgrading lower olefins comprisingfirst adaibatic catalytic bed reactor means containing an acidic zeolite solid catalyst;means for feeding light olefinic gas directly to the first reactor without addition of separate diluent or recycle streams;means for operating the first reactor under olefin partial conversion conditions at elevated temperature to control adiabatic temperature increase;interstage quench means for injecting a liquid coolant directly into first stage effluent for reducing the temperature thereof and protecting downstream catalyst;second catalytic bed reactor means for receiving cooled first stage effluent with injected liquid coolant and further converting the olefins over a metallic zeolite catalyst having a metal ethene oligomerization component;means for cooling and recovering heavier liquid hydrocarbon product from the second reactor effluent; andmeans for recovering liquid coolant from the second effluent for recycle to the interstage quench means.

    摘要翻译： 一种用于升级低级烯烃的连续多级催化转化系统，包括含有酸性沸石固体催化剂的第一辅助催化床反应器装置; 用于将轻质烯属气体直接供给到第一反应器而不加入单独的稀释剂或再循环流的装置; 用于在高温下在烯烃部分转化条件下操作第一反应器的装置，以控制绝热温度升高; 级间骤冷装置，用于将液体冷却剂直接注入第一级流出物中以降低其温度并保护下游催化剂​​; 第二催化床反应器装置，用于接收具有注入的液体冷却剂的冷却的第一级流出物，并进一步转化具有金属乙烯低聚组分的金属沸石催化剂的烯烃; 用于从第二反应器流出物冷却和回收较重液体烃产物的装置; 以及用于从第二流出物回收液体冷却剂以再循环到级间骤冷装置的装置。