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    Process for producing polypropylene from C3 olefins selectively produced by a two stage fluid catalytic cracking process
    5.
    发明授权
    Process for producing polypropylene from C3 olefins selectively produced by a two stage fluid catalytic cracking process 失效
    通过两阶段流化催化裂化方法选择性生产的C3烯烃生产聚丙烯的方法

    公开(公告)号：US06258257B1

    公开(公告)日：2001-07-10

    申请号：US09517551

    申请日：2000-03-02

    申请人： George A. Swan, III ,  Michael W. Bedell ,  Paul K. Ladwig ,  John E. Asplin ,  Gordon F. Stuntz ,  William A. Wachter ,  B. Erik Henry

    发明人： George A. Swan, III ,  Michael W. Bedell ,  Paul K. Ladwig ,  John E. Asplin ,  Gordon F. Stuntz ,  William A. Wachter ,  B. Erik Henry

    IPC分类号： C10G5102

    CPC分类号： C10G57/02 ,  C10G2400/20

    摘要： A process for producing polymers from olefins selectively produced by a two stage process for selectively producing C2 to C4 olefins from a gas oil or resid is disclosed herein. The gas oil or resid is reacted in a first stage comprising a fluid catalytic cracking unit wherein it is converted in the presence of conventional large pore zeolitic catalyst to reaction products, including a naphtha boiling range stream. The naphtha boiling range stream is introduced into a second stage comprising a process unit containing a reaction zone, a stripping zone, a catalyst regeneration zone, and a fractionation zone. The naphtha feed is contacted in the reaction zone with a catalyst containing from about 10 to 50 wt. % of a crystalline zeolite having an average pore diameter less than about 0.7 nanometers at reaction conditions which include temperatures ranging from about 500 to 650° C. and a hydrocarbon partial pressure from about 10 to 40 psia. Vapor products are collected overhead and the catalyst particles are passed through the stripping zone on the way to the catalyst regeneration zone. Volatiles are stripped with steam in the stripping zone and the catalyst particles are sent to the catalyst regeneration zone where coke is burned from the catalyst, which is then recycled to the reaction zone.

    摘要翻译： 本文公开了一种通过二级方法选择性制备聚合物的方法，用于从瓦斯油或渣油中选择性地生产C2至C4烯烃。 瓦斯油或渣油在包括流化催化裂化装置的第一阶段中反应，其中在常规大孔沸石催化剂存在下将其转化为包括石脑油沸程的反应产物。 将石脑油沸程流引入包含含有反应区，汽提区，催化剂再生区和分馏区的处理单元的第二阶段。 石脑油进料在反应区中与含有约10至50wt。 在包括约500至650℃的温度和约10至40psia的烃分压的反应条件下具有平均孔径小于约0.7纳米的结晶沸石的百分比。 蒸气产物被顶部收集，催化剂颗粒在通向催化剂再生区的途中通过汽提区。 挥发物在汽提区中用蒸汽汽提，并将催化剂颗粒送入催化剂再生区，其中焦炭从催化剂燃烧，然后再循环到反应区。

    Two stage fluid catalytic cracking process for selectively producing b. C.su2 to C.sub.4 olefins
    8.
    发明授权
    Two stage fluid catalytic cracking process for selectively producing b. C.su2 to C.sub.4 olefins 失效
    用于选择性生产C2至C4烯烃的两阶段流化催化裂解方法

    公开(公告)号：US6106697A

    公开(公告)日：2000-08-22

    申请号：US073084

    申请日：1998-05-05

    申请人： George A. Swan ,  Michael W. Bedell ,  Paul K. Ladwig ,  John E. Asplin ,  Gordon F. Stuntz ,  William A. Wachter ,  Brian Erik Henry

    发明人： George A. Swan ,  Michael W. Bedell ,  Paul K. Ladwig ,  John E. Asplin ,  Gordon F. Stuntz ,  William A. Wachter ,  Brian Erik Henry

    IPC分类号： C10G11/05 ,  C10G51/02 ,  C10G57/00 ,  C10G57/02

    CPC分类号： C10G57/02 ,  C10G2400/20

    摘要： C.sub.2 to C.sub.4 olefins are selectively produced from a gas oil or resid in a two stage process. The gas oil or resid is reacted in a first stage comprised of a fluid catalytic cracking unit wherein it is converted in the presence of conventional large pore zeolitic catalyst to reaction products, including a naphtha boiling range stream. The naphtha boiling range stream is introduced into a second stage comprised of a process unit containing a reaction zone, a stripping zone, a catalyst regeneration zone, and a fractionation zone. The naphtha feedstream is contacted in the reaction zone with a catalyst containing from about 10 to 50 wt. % of a crystalline zeolite having an average pore diameter less than about 0.7 nanometers at reaction conditions which include temperatures ranging from about 500 to 650.degree. C. and a hydrocarbon partial pressure from about 10 to 40 psia. Vapor products are collected overhead and the catalyst particles are passed through the stripping zone on the way to the catalyst regeneration zone. Volatiles are stripped with steam in the stripping zone and the catalyst particles are sent to the catalyst regeneration zone where coke is burned from the catalyst, which is then recycled to the reaction zone.

    摘要翻译： C 2 -C 4烯烃可以从瓦斯油中选择性地制备，或者在两段工艺中残留。 瓦斯油或渣油在由流化催化裂化装置组成的第一阶段中反应，其中在常规大孔沸石催化剂存在下将其转化为包括石脑油沸程的反应产物。 将石脑油沸程流引入包含含有反应区，汽提区，催化剂再生区和分馏区的处理单元的第二阶段。 石脑油原料流在反应区中与含有约10至50wt。 ％的平均孔径小于约0.7纳米的结晶沸石在包括约500至650℃的温度和约10至40psia的烃分压的反应条件下进行。 蒸气产物被顶部收集，催化剂颗粒在通向催化剂再生区的途中通过汽提区。 挥发物在汽提区中用蒸汽汽提，并将催化剂颗粒送入催化剂再生区，其中焦炭从催化剂燃烧，然后再循环到反应区。

    Production of low sulfur distillates
    10.
    发明授权
    Production of low sulfur distillates 有权
    生产低硫馏分

    公开(公告)号：US07435335B1

    公开(公告)日：2008-10-14

    申请号：US09553107

    申请日：2000-04-20

    申请人： Edward S. Ellis ,  William E. Lewis ,  Larry L. Iaccino ,  Michele S. Touvelle ,  Gordon F. Stuntz

    发明人： Edward S. Ellis ,  William E. Lewis ,  Larry L. Iaccino ,  Michele S. Touvelle ,  Gordon F. Stuntz

    IPC分类号： C10G45/00 ,  C10G45/44

    CPC分类号： C10G65/12

    摘要： A process for hydroprocessing a distillate stream to produce a stream exceptionally low in sulfur, with total aromatics and polynuclear aromatics being moderately reduced. A distillate stream is hydrodesulfurized in a first hydrodesulfurization stage. The product stream thereof is passed to a first separation stage wherein a vapor phase product stream and a liquid product stream are produced. The liquid phase product stream is passed to a second hydrodesulfurization stage and the product stream thereof is passed to a second separation stage wherein a vapor phase product stream and a liquid product stream low in sulfur are produced. At least a portion of the vapor product stream from said second separation stage can be cascaded to the first hydrodesulfurization stage.

    摘要翻译： 用于加氢处理馏出物流以产生异常低硫的流的方法，其中芳族化合物和多环芳烃被适度地还原。 馏出物流在第一加氢脱硫阶段加氢脱硫。 其产物流被送到第一分离阶段，其中产生气相产物流和液体产物流。 将液相产物流送至第二加氢脱硫阶段，将其产物流送至第二分离阶段，其中产生气相产物流和硫含量低的液体产物流。 来自所述第二分离级的至少一部分蒸汽产物流可以级联到第一加氢脱硫阶段。