Methods of Preparation of an Olefin Oligomerization Catalyst
    1.
    发明申请
    Methods of Preparation of an Olefin Oligomerization Catalyst 有权
    烯烃低聚催化剂的制备方法

    公开(公告)号:US20080177122A1

    公开(公告)日:2008-07-24

    申请号:US12057853

    申请日:2008-03-28

    IPC分类号: C07C2/08

    摘要: A method of making a catalyst for use in oligomerizing an olefin, comprising a chromium-containing compound, a pyrrole-containing compound, a metal alkyl, a halide-containing compound, and optionally a solvent, the method comprising abating all or a portion of water, acidic protons, or both from a composition comprising the chromium-containing compound, a composition comprising the pyrrole-containing compound, a composition comprising a non-metal halide-containing compound, a composition comprising the solvent, or combinations thereof prior to contact thereof with a composition comprising a metal halide-containing compound.

    摘要翻译: 一种制备用于低聚烯烃的催化剂的方法,包括含铬化合物,含吡咯的化合物,金属烷基,含卤化合物和任选的溶剂,所述方法包括减少全部或部分 包含含铬化合物的组合物,包含含吡咯的化合物的组合物,包含非金属卤化物的化合物的组合物,包含溶剂的组合物或其接触前的组合的组合物,水,酸性质子或两者 其包含含有金属卤化物的化合物的组合物。

    Chemical reactor feed control
    8.
    发明授权
    Chemical reactor feed control 失效
    化学反应堆饲料控制

    公开(公告)号:US5586051A

    公开(公告)日:1996-12-17

    申请号:US393769

    申请日:1995-02-24

    摘要: In a process for manufacture of a chemical product, a reactive hydrocarbon feedstream, which varies in composition of the reactive component, is combined with a compatible but unreactive hydrocarbon feedstream to form a blended hydrocarbon stream which is then combined with a reactive alcohol stream of stable concentration of its reactive component, to form a complete feedstream to the reactor. A desired ratio of relative reactant concentrations in the complete feedstream to the reactor is maintained by a control system which maintains a stable concentration in the blended hydrocarbon stream by manipulating flow rate of the unreactive hydrocarbon feedstream responsive to a concentration measurement in the blended hydrocarbon stream. Flow ratio control is then applied to maintain a desired ratio of reactants in the complete feedstream for the reactor by calculating a flow ratio of the blended hydrocarbon stream to the reactive alcohol feedstream. The calculated flow ratio is the process variable input to a manually set ratio controller which manipulates the flow rate of the reactive alcohol feedstream responsive to the flow ratio.

    摘要翻译: 在制造化学产品的方法中,将反应性组分的组成变化的反应性烃进料流与相容但不活泼的烃进料流组合以形成混合的烃流,然后将其与稳定的反应性醇流 其反应组分的浓度,以形成到反应器的完整进料流。 通过控制系统保持完整进料流中反应物的相对反应物浓度的期望比例,其通过响应于混合烃流中的浓度测量来操纵非反应性烃进料流的流速来保持混合烃流中的稳定浓度。 然后施加流量比控制以通过计算混合的烃流与反应性醇进料流的流量比来维持反应器的完整进料流中反应物的期望比例。 计算的流量比是输入到手动设定比率控制器的过程变量,其根据流量比操纵反应性醇进料流的流量。