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    • 7. 发明授权
    • Method of producing metal halide catalyst
    • 生产金属卤化物催化剂的方法
    • US5151397A
    • 1992-09-29
    • US808785
    • 1991-12-16
    • Kent E. MitchellStanley J. Marwil
    • Kent E. MitchellStanley J. Marwil
    • C08F4/64C08F10/00
    • C08F10/00
    • A polymerization catalyst is formed by combining a metal halide compound, a solvent, an effective amount of water to reduce fines and increase particle size, and a transition metal compound to form a first catalyst component and mixing the first catalyst component with a precipitating agent. After mixing the first catalyst component and the precipitating agent, the mixture can be heated to a temperature higher than the mixing temperature to reduce polymer fines. In the alternative prepolymer can be deposited on the catalyst(s) in an amount effective to reduce polymer fines. Optionally the catalyst can be treated with a halide ion exchanging source. The catalyst can also be combined with an organometallic cocatalyst.
    • 通过组合金属卤化物化合物,溶剂,有效量的水以减少细粒并增加粒度来形成聚合催化剂,以及过渡金属化合物形成第一催化剂组分并将第一催化剂组分与沉淀剂混合。 在混合第一催化剂组分和沉淀剂之后,可以将混合物加热到高于混合温度的温度以降低聚合物细粉。 在替代的预聚物可以以有效降低聚合物细粒的量沉积在催化剂上。 任选地,可以用卤化物离子交换源处理催化剂。 催化剂也可以与有机金属助催化剂组合。
    • 10. 发明授权
    • Crude oil desalting process
    • 原油脱盐工艺
    • US5746908A
    • 1998-05-05
    • US599913
    • 1996-02-12
    • Kent E. Mitchell
    • Kent E. Mitchell
    • C10G31/08C10G17/00
    • C10G31/08
    • A process for desalting a crude oil comprises (1) injecting steam into the oil to form a steam-injected oil; (2) adding water to the steam-injected oil to form a mixture; (3) introducing the mixture to a desalter; (4) inducing the formation of aqueous phase and oil phase; and (5) separating the oil phase from the aqueous phase. Where there are two desalting stages for desalting crude oil, the process can be carried out in either the first stage or second stage, or both stages. The process can also be similarly employed in a multistage desalting process.
    • 用于脱盐原油的方法包括(1)将蒸汽注入油中以形成蒸汽注入的油; (2)向蒸汽注入的油中加入水以形成混合物; (3)将混合物引入脱盐器; (4)引起水相和油相的形成; 和(5)将油相与水相分离。 在脱盐原油有两个脱盐阶段的情况下,该过程可以在第一阶段或第二阶段或两个阶段进行。 该方法也可类似地用于多级脱盐方法。