METHOD AND SYSTEM FOR OXIDIZING CUMENE AND HYDROCARBONS

    公开(公告)号:WO2021178393A1

    公开(公告)日:2021-09-10

    申请号:PCT/US2021/020445

    申请日:2021-03-02

    IPC分类号: C07C407/00 C07C409/10

    摘要: A method for oxidizing a hydrocarbon includes feeding an oxidant to a top portion of a reactor; reacting the hydrocarbon with the oxidant in the reactor to obtain a reaction product stream, the reaction product stream exiting a reactor outlet at a bottom portion of the reactor; and recycling a portion of the reaction product stream to the top portion of the reactor; and introducing the oxidant into an oxidation liquid comprising the portion of the reaction product stream recycled to the top portion of the reactor to form a reaction media stream entering a reactor inlet at the top portion of the reactor. A pressure of the reactor outlet exceeds a pressure of the reactor inlet by at least 5%. The reaction media stream moves vertically downwards in the reactor.

    METHOD FOR CONTROLLING CLEAVAGE OF HYDROPEROXIDES OF ALKYLAROMATIC HYDROCARBONS
    3.
    发明申请
    METHOD FOR CONTROLLING CLEAVAGE OF HYDROPEROXIDES OF ALKYLAROMATIC HYDROCARBONS 审中-公开
    用于控制碱性烃类氢过氧化物的清除方法

    公开(公告)号:WO2016020879A1

    公开(公告)日:2016-02-11

    申请号:PCT/IB2015/055985

    申请日:2015-08-06

    摘要: A method of producing phenol and acetone can comprise: alkylating benzene with a C 2-6 alkyl source in the presence of a zeolite catalyst to produce a C 8-12 alkylbenzene; oxidizing the C 8-12 alkylbenzene in the presence of an oxygen containing gas to produce a C 8-12 alkylbenzene hydroperoxide; cleaving decomposing the C 8-12 alkylbenzene hydroperoxide in the presence of an acid catalyst to produce phenol, a C 3-6 ketone, and undesirable side products such as, but not limited to acetaldehyde, DMBA, acetophenone, AMS, AMS dimers, unidentified heavies, or a combination comprising at least one of the foregoing; and monitoring a concentration of the C 8-12 alkylbenzene hydroperoxide in a process stream of a reactor in real time at a temperature and a pressure of the process stream; and in real time, controlling a parameter of the reactor and/or the cleaving decomposing in response to the concentration of the C 8-12 alkylbenzene hydroperoxide.

    摘要翻译: 一种生产苯酚和丙酮的方法可以包括:在沸石催化剂存在下,用C2-6烷基源烷基化苯,得到C8-12烷基苯; 在含氧气体存在下使C8-12烷基苯氧化,得到C8-12烷基苯氢过氧化物; 在酸催化剂的存在下分解C8-12烷基苯氢过氧化物以产生苯酚,C3-6酮和不期望的副产物,例如但不限于乙醛,DMBA,苯乙酮,AMS,AMS二聚体,不明重的重质物, 或包含前述的至少一种的组合; 并且在反应器的工艺流中在工艺流的温度和压力下实时监测C8-12烷基苯氢过氧化物的浓度; 并且实时地响应于C8-12烷基苯氢过氧化物的浓度控制反应器的参数和/或裂解分解。

    ALKYLBENZENE HYDROPEROXIDE PRODUCTION USING DISPERSED BUBBLES OF OXYGEN CONTAINING GAS
    6.
    发明申请
    ALKYLBENZENE HYDROPEROXIDE PRODUCTION USING DISPERSED BUBBLES OF OXYGEN CONTAINING GAS 审中-公开
    使用分散的含氧气体的烷基苯乙烯氢过氧化物生产

    公开(公告)号:WO2016020889A1

    公开(公告)日:2016-02-11

    申请号:PCT/IB2015/056012

    申请日:2015-08-07

    摘要: An apparatus for oxidation of a C 8 -C 12 alkylbenzene reactant to a C 8 -C 12 alkylbenzene hydroperoxide product, the reactor can comprise: a flow reactor comprising a reactant inlet, an oxidate product outlet, wherein the reactor is configured to provide a liquid flow from the reactant inlet to the product outlet, a gas inlet configured to introduce an oxygen-containing gas into the reactor, and an inlet sparger configured to flow gas bubbles comprising the oxygen-containing gas within the liquid flow, and wherein: the inlet sparger is configured to flow the gas bubbles having a diameter of 1.0 mm to 5.0 mm over a gas bubble residence time from 1 to 200 seconds, and/or the inlet sparger configured to flow the gas bubbles such that greater than or equal to 80% of the gas bubbles do not coalesce into larger bubbles over a gas bubble residence time of 1 to 200 seconds.

    摘要翻译: 用于将C 8 -C 12烷基苯反应物氧化成C 8 -C 12烷基苯氢过氧化物产物的装置,所述反应器可包括:流动反应器,其包含反应物入口,氧化物产物出口,其中所述反应器构造成提供来自 产物出口的反应物入口,构造成将含氧气体引入反应器的气体入口,以及配置成将包含含氧气体的气泡流入液体流中的入口喷射器,其中:配置入口喷射器 在气泡停留时间为1至200秒时将具有1.0mm直径的气泡流动至5.0mm,和/或构造成使气泡流动的入口喷射器使得大于或等于气体的80% 在气泡停留时间为1至200秒时,气泡不会聚结成较大的气泡。