Heating plates riser reactor
    4.
    发明授权

    公开(公告)号:US12233405B2

    公开(公告)日:2025-02-25

    申请号:US17630459

    申请日:2020-07-14

    Abstract: A system and a method for catalytically cracking hydrocarbons. The system includes a fluidized bed riser reactor, and a separation zone configured to separate the effluent from the riser reactor to produce a product stream and a spent catalyst. A stripping zone is fluidly coupled to the outlet of the separation zone such that the spent catalyst is stripped to remove the hydrocarbons adsorbed thereon. The stripping zone encompasses at least a portion of the riser reactor such that stripping internals in the stripping zone are used to provide reaction heat to the riser reactor.

    Multi stage Fischer-Tropsch reactor and methods of producing hydrocarbons

    公开(公告)号:US10227534B2

    公开(公告)日:2019-03-12

    申请号:US15525159

    申请日:2015-11-12

    Abstract: Disclosed herein are reactors comprising: a) a first mixing zone, b) a first reaction zone, c) a first cooling zone, d) a first H2O separation zone, e) a second mixing zone, f) a second reaction zone, g) a second cooling zone, and h) a second H2O separation zone, wherein the first mixing zone is in fluid communication with the first reaction zone, wherein the first reaction zone is in fluid communication with the first cooling zone, wherein the first cooling zone is in fluid communication with the first H2O separation zone, wherein the first H2O separation zone is in fluid communication with the second mixing zone, wherein the second mixing zone is in fluid communication with the second reaction zone, wherein the second reaction zone is in fluid communication with the second cooling zone, and wherein the second cooling zone is in fluid communication with the second H2O separation zone.

    Naphtha catalytic cracking process

    公开(公告)号:US12234415B2

    公开(公告)日:2025-02-25

    申请号:US17630026

    申请日:2020-07-14

    Abstract: Systems and methods for producing light olefins and BTX (benzene, toluene, and xylene). Crude oil is first separated to produce light naphtha and heavy naphtha. Light naphtha is fed to a steam cracking unit and heavy naphtha is fed to a catalytic cracking unit. The effluent from the steam cracking unit and the effluent from the catalytic cracking unit are flowed into an oil quench tower and are further separated in a separation unit to produce an ethylene stream, a propylene stream, and a BTX stream. The C4 hydrocarbons, ethane, and propane from the effluent of the steam cracking unit and the effluent from the catalytic cracking unit are recycled to the steam cracking unit. The non-BTX C6+ hydrocarbons from the effluent of the steam cracking unit and the effluent from the catalytic cracking unit are recycled to the catalytic cracking unit.

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