PROCESS AND APPARATUS FOR DEASPHALTING AND PITCH CONVERSION

    公开(公告)号:US20190233746A1

    公开(公告)日:2019-08-01

    申请号:US15885554

    申请日:2018-01-31

    申请人: UOP LLC

    IPC分类号: C10G53/06

    CPC分类号: C10G53/06 C10G2300/206

    摘要: Solvent deasphalting (SDA) is used to extract deasphalted oil from heavier hydrocarbons in series. The pitch stream from solvent deasphalting is calcined to recover volatile hydrocarbon vapor products and calcined solids. The hydrocarbon vapors can be fractionated to recover valuable transportation range fuel products. The pitch stream can be first fed to the fractionation column before calcination.

    PROCESS FOR SIMULTANEOUS PRODUCTION OF BENZENE LEAN GASOLINE AND HIGH PURITY BENZENE FROM CRACKED GASOLINE FRACTION
    5.
    发明申请
    PROCESS FOR SIMULTANEOUS PRODUCTION OF BENZENE LEAN GASOLINE AND HIGH PURITY BENZENE FROM CRACKED GASOLINE FRACTION 审中-公开
    苄基苯酚汽油和高纯度苯酚同时生产的方法

    公开(公告)号:US20160288014A1

    公开(公告)日:2016-10-06

    申请号:US15085582

    申请日:2016-03-30

    摘要: Disclosed is a process for simultaneous production of benzene lean gasoline and recovery of high purity aromatics from narrow boiling light cracked gasoline fractions. The present invention provides a vacuum based two stage extractive distillation process, with pure NMP, for production of benzene lean gasoline (benzene content less than 0.4 Weight %) by recovery of high purity aromatics (purity more than 99 Weight %) from cracked gasoline fractions (boiling in the range of 40-90° C.) comprising benzene in the range of 10-30 weight % and close-boiling non-aromatic hydrocarbons like paraffins, iso-paraffins, olefins, di-olefins (including conjugated di-olefins), and naphthenes in the range of 70-90 weight % along with impurities containing but not limited to oxygenates, metals, chlorides, sulphur compounds, nitrogen compounds and organic peroxides.The present invention provides an improved extractive distillation process for simultaneous production of benzene lean gasoline and benzene rich product from cracked gasoline fraction, with higher recovery of better quality products along with lower utility requirements and investment costs.

    摘要翻译: 本发明提供了一种改进的萃取蒸馏方法,用于同时生产来自裂化汽油馏分的苯稀汽油和富苯产物,具有更高质量产品的回收率以及更低的效用要求和投资成本。

    Method of retrofitting existing equipment for an improved aromatics separation process
    7.
    发明授权
    Method of retrofitting existing equipment for an improved aromatics separation process 有权
    改进现有设备以改进芳烃分离过程的方法

    公开(公告)号:US06375802B1

    公开(公告)日:2002-04-23

    申请号:US09553697

    申请日:2000-04-20

    IPC分类号: B01D1100

    摘要: An improved process for the recovery of aromatic compounds from a mixture containing aromatic and non-aromatic compounds and method for retrofitting existing equipment for the same is provided. The improved process comprises the steps of recovering aromatic compounds via parallel operation of a hybrid extractive distillation/liquid-liquid extractor operation and variations thereof. Methods of quickly and economically retrofitting existing recovery process equipment for use with the improved aromatics recovery process are also disclosed.

    摘要翻译: 提供了一种用于从含有芳族和非芳香族化合物的混合物中回收芳族化合物的改进方法以及用于改造现有设备的方法。 改进的方法包括通过混合萃取蒸馏/液 - 液萃取器操作及其变化的并行操作来回收芳族化合物的步骤。 还公开了快速和经济地改造用于改进的芳烃回收方法的现有回收工艺设备的方法。

    Solvent extraction process
    8.
    发明授权
    Solvent extraction process 失效
    溶剂萃取工艺

    公开(公告)号:US5009772A

    公开(公告)日:1991-04-23

    申请号:US315489

    申请日:1989-02-27

    IPC分类号: C10G21/00 C10G53/06

    CPC分类号: C10G53/06 C10G21/003

    摘要: A solvent extraction process for separating a heavy hydrocarbon feedstock material into its various component parts. The process comprises the utilization of pressure reduction to enhance the separation and recovery of a deasphalted oil product comprising substantially the lower molecular weight hydrocarbon components present in the original heavy hydrocarbon feedstock material.

    摘要翻译: 用于将重质烃原料分离成其各种组分部分的溶剂萃取方法。 该方法包括利用减压来增强脱沥青油产品的分离和回收,所述脱沥青油产品基本上包含存在于原始重质烃原料中的较低分子量烃成分。