PROCESSES FOR RECOVERING HYDROCARBONS FROM A DRAG STREAM FROM A SLURRY HYDROCRACKER
    1.
    发明申请
    PROCESSES FOR RECOVERING HYDROCARBONS FROM A DRAG STREAM FROM A SLURRY HYDROCRACKER 审中-公开
    从泥浆加氢裂化器的拖流中回收烃的方法

    公开(公告)号:WO2016073605A2

    公开(公告)日:2016-05-12

    申请号:PCT/US2015059033

    申请日:2015-11-04

    Applicant: UOP LLC

    Abstract: A process for recovering hydrocarbons from a slurry hydrocracking reactor. The hydrocarbons are recovered by taking a drag stream of the slurry in the reactor. After separating lighter hydrocarbons in a separation zone, the heavier hydrocarbons can be processed in a deashing zone, with a vacuum column bottoms from a separation of the effluent stream recovered from the reactor. The deashing zone can recover the heavier hydrocarbons in a deashed pitch. Additionally, a VGO rich stream from the deashing zone may be recycled back to the reactor.

    Abstract translation: 一种从淤浆加氢裂化反应器中回收烃的方法。 通过在反应器中采用浆料的拖曳流来回收烃。 在分离区中分离出较轻的烃之后,可以在脱灰区中处理较重的烃,从反应器回收的流出物流中分离真空塔底物。 脱灰区可以在脱沥青的沥青中回收较重的烃。 另外,来自脱灰区的富含VGO的物流可以循环回到反应器。

    RECYCLE OF TRANSALKYLATION EFFLUENT FRACTIONS ENRICHED IN TRIMETHYLBENZENE
    2.
    发明申请
    RECYCLE OF TRANSALKYLATION EFFLUENT FRACTIONS ENRICHED IN TRIMETHYLBENZENE 审中-公开
    三甲苯富集反式烷基化合物的回收

    公开(公告)号:WO2012145233A2

    公开(公告)日:2012-10-26

    申请号:PCT/US2012033415

    申请日:2012-04-13

    CPC classification number: C07C7/04 C07C6/126 C07C15/08

    Abstract: Methods are disclosed for producing C8 aromatic hydrocarbons. Representative methods comprise fractionating a transalkylation effluent, exiting a transalkylation reaction zone and comprising C8 and C9 aromatic hydrocarbons, to provide a C8 aromatic hydrocarbon-enriched fraction and a C9 aromatic hydrocarbon-enriched fraction. The methods may further comprise (i) recycling the C9 aromatic hydrocarbon-enriched fraction to the transalkylation reaction zone and/or (ii) separating, in a xylene separation zone, isomers of C8 aromatic hydrocarbons in the C8 aromatic hydrocarbon-enriched fraction, into a para-xylene-enriched extract and a para-xylene-depleted raffinate. Performance in the transalkylation reaction zone is improved and/or downstream processing requirements in an aromatics complex are mitigated.

    Abstract translation: 公开了生产C8芳族烃的方法。 代表性的方法包括分馏烷基转移流出物,离开烷基转移反应区并包含C8和C9芳族烃,以提供C8芳族烃富集级分和C9芳族烃富集级分。 所述方法可以进一步包括(i)将C9芳族烃富集级分再循环至烷基转移反应区和/或(ii)在二甲苯分离区中将C8芳烃富集级分中的C8芳族烃的异构体分离成 对二甲苯富集的萃取物和对二甲苯贫化的萃余液。 在烷基转移反应区中的性能得到改善和/或芳烃混合物中的下游加工需求得到缓解。

    TRANSALKYLATION OF METHYLATED AROMATIC HYDROCARBON-ENRICHED FRACTIONS IN C8 AROMATIC HYDROCARBON PRODUCTION
    3.
    发明申请
    TRANSALKYLATION OF METHYLATED AROMATIC HYDROCARBON-ENRICHED FRACTIONS IN C8 AROMATIC HYDROCARBON PRODUCTION 审中-公开
    C8芳烃生产中甲基化芳烃加氢反应的转化

    公开(公告)号:WO2012145221A3

    公开(公告)日:2013-01-03

    申请号:PCT/US2012033232

    申请日:2012-04-12

    CPC classification number: C07C6/126 C07C5/2732 C07C7/04 C07C15/08

    Abstract: Methods are disclosed for producing C8 aromatic hydrocarbons. Representative methods comprise (a) fractionating an aromatic hydrocarbon containing feed stream (e.g., a feed stream comprising C9 and/or C10 aromatic hydrocarbons), to provide at least one methylated aromatic hydrocarbon-enriched fraction; and (b) reacting at least a portion of the at least one methylated aromatic hydrocarbon-enriched fraction in a transalkylation reaction zone to provide a transalkylation effluent comprising the C8 aromatic hydrocarbons. The presence of a methylated aromatic hydrocarbon-enriched fraction in the inlet stream to the transalkylation reaction zone provides a number of advantages as described herein.

    Abstract translation: 公开了用于生产C8芳族烃的方法。 代表性的方法包括(a)分馏含芳烃的进料流(例如,包含C 9和/或C 10芳族烃的进料流),以提供至少一种甲基化芳烃富集级分; 和(b)使烷基转移反应区中的至少一部分甲基化芳烃富集部分反应,以提供包含C8芳族烃的烷基转移流出物。 在烷基转移反应区的入口流中甲基化芳香烃富集部分的存在提供了如本文所述的许多优点。

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