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    Hydrogenation process and catalyst therefor comprising palladium and silver deposited on a spinel support
    1.
    发明公开
    Hydrogenation process and catalyst therefor comprising palladium and silver deposited on a spinel support 失效
    Hydrierungsverfahren und Katalysator enthaltend Palladium und Silber auf einem spinellhaltigenTräger

    公开(公告)号：EP0839573A1

    公开(公告)日：1998-05-06

    申请号：EP97118815.6

    申请日：1997-10-29

    Applicant: PHILLIPS PETROLEUM COMPANY

    Inventor： Cheung, Tin-Tack Peter ,  Sasaki, Kazuhiko James ,  Johnson, Marvin Merrill ,  Brown, Scott Hudson

    IPC: B01J23/00 ,  B01J23/50 ,  B01J27/12 ,  B01J23/66 ,  B01J23/68

    CPC classification number: B01J23/50 ,  B01J23/005 ,  B01J23/66 ,  B01J23/68 ,  B01J27/12 ,  C10G45/40

    Abstract: A composition and a process for using the composition in a selective hydrogenation of a highly unsaturated hydrocarbon such as, for example, an alkyne or diolefin, to a less unsaturated hydrocarbon such as, for example, an alkene or a monoolefin, are disclosed. The composition comprising palladium, silver, and a spinel wherein the palladium and silver are each present in a sufficient amount to effect the selective hydrogenation of an unsaturated hydrocarbon. Optionally, the palladium is present as skin distributed on the surface of the spinel. The composition can further comprise an alkali metal-containing compound such as, for example, potassium fluoride.

    Abstract translation: 公开了将组合物在高度不饱和烃（例如炔烃或二烯烃）选择性氢化成不饱和烃如烯烃或单烯烃的组合物和方法。 包含钯，银和尖晶石的组合物，其中钯和银各自以足够的量存在以进行不饱和烃的选择性氢化。 任选地，钯作为分布在尖晶石表面上的皮肤存在。 组合物还可以包含含碱金属的化合物，例如氟化钾。

    Injection of antifoulants into thermal cracking reactors
    2.
    发明公开
    Injection of antifoulants into thermal cracking reactors 失效
    为防止存款在热裂解反应器剂注射。

    公开(公告)号：EP0606898A1

    公开(公告)日：1994-07-20

    申请号：EP94100368.3

    申请日：1994-01-12

    Applicant: PHILLIPS PETROLEUM COMPANY

    Inventor： Brown, Ronald Eugene ,  Sasaki, Kazuhiko James ,  Reed, Larry Elbert

    IPC: C10G9/16

    CPC classification number: C10G9/16 ,  C07C4/04 ,  Y10S585/95 ,  C07C11/00

    Abstract: A liquid tin-containing antifoulant composition is injected into a metal-walled thermal cracking reactor tube, concurrently with the injection of a gaseous stream (preferably a steam-diluted C₂-C₄ alkane stream), through a nozzle of an injection quill which is positioned in the center region of the reactor tube substantially parallel to the flow of the gaseous stream.
    A liquid tin-containing antifoulant is injected into a metal-walled thermal cracking reactor tube through a nozzle of an injection quill at a temperature of about 1000-1300°F while a gaseous stream (preferably a steam-diluted C₂-C₄ alkane stream) flows through the reactor tube, followed by raising the temperature to about 1400-1800°F. Preferably, the metal walls of the reactor tube are treated with steam after the antifoulant injection at about 1000-1300°F but before the antifoulant injection at about 1400-1800°F.

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