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    Use of Turbidimeter for Measurement of Solid Catalyst System Component in a Reactor Feed
    49.
    发明申请
    Use of Turbidimeter for Measurement of Solid Catalyst System Component in a Reactor Feed 有权
    使用浊度计测量反应堆进料中的固体催化剂体系组分

    公开(公告)号：US20170023474A1

    公开(公告)日：2017-01-26

    申请号：US14809147

    申请日：2015-07-24

    Applicant: Chevron Phillips Chemical Company LP

    Inventor： Eric D. Schwerdtfeger ,  Daniel G. Hert ,  Max P. McDaniel

    IPC: G01N21/53 ,  G01N15/06

    CPC classification number: G01N21/532 ,  B01J19/1837 ,  B01J21/16 ,  C08F2/00 ,  G01N15/06 ,  G01N21/82 ,  G01N21/85 ,  G01N2015/0693 ,  G01N2021/8416 ,  G01N2201/062 ,  G01N2201/08 ,  C08F10/00 ,  C08F4/24 ,  C08F2/01

    Abstract: A method of monitoring a solid component of a reactor feed stream in a polymer production system, comprising (a) measuring a turbidity of the reactor feed stream, wherein the reactor feed stream comprises a solid component of a polymerization catalyst system, and (b) translating the turbidity of the reactor feed stream into a concentration of the solid component in the reactor feed stream. A method of monitoring a solid component of a reactor feed stream in a polymer production system, comprising (a) measuring a turbidity of a precontactor feed stream, wherein the precontactor feed stream comprises a solid component of a polymerization catalyst system, and (b) translating the turbidity of the precontactor feed stream into a concentration of the solid component in a precontactor effluent stream, wherein the precontactor effluent stream comprises the reactor feed stream.

    Abstract translation: 一种监测聚合物生产系统中反应器进料流的固体组分的方法，包括（a）测量反应器进料流的浊度，其中反应器进料流包含聚合催化剂体系的固体组分，和（b） 将反应器进料流的浊度转化为反应器进料流中固体组分的浓度。 一种在聚合物生产系统中监测反应器进料流的固体组分的方法，包括（a）测量预接触器进料流的浊度，其中所述预反应器进料流包含聚合催化剂体系的固体组分，和（b） 将预接触器进料流的浊度转化为预接触器流出物流中的固体组分的浓度，其中预反应器流出物流包含反应器进料流。

    Methods of Preparing a Catalyst
    50.
    发明申请
    Methods of Preparing a Catalyst 有权
    制备催化剂的方法

    公开(公告)号：US20170015764A1

    公开(公告)日：2017-01-19

    申请号：US15281514

    申请日：2016-09-30

    Applicant: Chevron Phillips Chemical Company LP

    Inventor： Jeremy M. Praetorius ,  Eric D. Schwerdtfeger ,  Max P. McDaniel ,  Ted H. Cymbaluk ,  Connor D. Boxell ,  Kathy S. Collins ,  Alan L. Solenberger

    IPC: C08F10/02

    CPC classification number: C08F110/02 ,  C08F10/02 ,  C08F4/24 ,  C08F4/025 ,  C08F2500/12

    Abstract: A method comprising a) calcining a silica support at temperature in the range of from about 100° C. to about 500° C. to form a precalcined silica support; b) contacting the precalcined silica support with a titanium alkoxide to form a titanated support; c) subsequent to b), contacting the titanated support with a polyol to form a polyol associated titanated support (PATS); d) contacting at least one of the silica support, pre-calcined silica support, the titanated support, the PATS, or combinations thereof with a chromium-containing compound to form a polymerization catalyst precursor; e) drying the polymerization catalyst precursor to form a dried polymerization catalyst precursor; and f) calcining the dried polymerization catalyst precursor to produce a polymerization catalyst, wherein less than about 0.1 wt. % of a highly reactive volatile organic compound (HRVOC) is emitted during the calcining of the dried polymerization catalyst precursor.

    Abstract translation: 一种方法，包括a）在约100℃至约500℃的温度范围内煅烧二氧化硅载体以形成预煅烧二氧化硅载体; b）使预煅烧的二氧化硅载体与钛醇盐接触以形成钛酸化的载体; c）在b）之后，使钛酸化的载体与多元醇接触以形成多元醇相关的钛化载体（PATS）; d）将二氧化硅载体，预煅烧二氧化硅载体，钛化载体，PATS或其组合中的至少一种与含铬化合物接触以形成聚合催化剂前体; e）干燥聚合催化剂前体以形成干燥的聚合催化剂前体; 和f）煅烧干燥的聚合催化剂前体以产生聚合催化剂，其中小于约0.1wt。 在干燥的聚合催化剂前体的煅烧期间发射％的高反应性挥发性有机化合物（HRVOC）。

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