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    Process intensification in hydroprocessing
    2.
    发明授权
    Process intensification in hydroprocessing 有权

    公开(公告)号：US10604708B2

    公开(公告)日：2020-03-31

    申请号：US15912212

    申请日：2018-03-05

    申请人： INDIAN OIL CORPORATION LIMITED

    发明人： Ganesh Vitthalrao Butley ,  Yamini Gupta ,  Mainak Sarkar ,  Arun Arangarasu ,  Madhusudan Sau ,  Brijesh Kumar ,  Santanam Rajagopal ,  Ravinder Kumar Malhotra

    IPC分类号： C10G65/04

    摘要： A multi-stage hydrotreating process obtains ultra-low sulfur diesel boiling range hydrocarbon having less than 10 ppm sulfur with elimination of external hot high pressure separator and avoids the formation of recombinant mercaptans by removing excess hydrogen sulfide formed during hydroprocessing reaction. The process includes mixing a diesel boiling range hydrocarbon feedstock with hydrogen and sending to the first predominantly liquid phase hydroprocessing reaction stage. Effluent from the first hydroprocessing reaction stage is sent to first separator zone of open and empty space in the upper part of the second hydroprocessing reaction stage to flash off the dissolved reaction products hydrogen sulfide and ammonia. Liquid part of the effluent of first hydroprocessing reaction stage is passed to the second predominantly liquid phase hydroprocessing reaction stage. The process is repeated until the liquid product sulfur level of less than 10 ppm is attained and the liquid product is sent to further processing.

    Process intensification in hydroprocessing
    4.
    发明授权
    Process intensification in hydroprocessing 有权

    公开(公告)号：US10017703B2

    公开(公告)日：2018-07-10

    申请号：US14313783

    申请日：2014-06-24

    申请人： Indian Oil Corporation Limited

    发明人： Ganesh Vitthalrao Butley ,  Yamini Gupta ,  Mainak Sarkar ,  Arun Arangarasu ,  Madhusudan Sau ,  Brijesh Kumar ,  Santanam Rajagopal ,  Ravinder Kumar Malhotra

    IPC分类号： C10G65/04

    CPC分类号： C10G65/04 ,  C10G2300/202

    摘要： A multi-stage hydrotreating process obtains ultra-low sulfur diesel boiling range hydrocarbon having less than 10 ppm sulfur with elimination of external hot high pressure separator and avoids the formation of recombinant mercaptans by removing excess hydrogen sulfide formed during hydroprocessing reaction. The process includes mixing a diesel boiling range hydrocarbon feedstock with hydrogen and sending to the first predominantly liquid phase hydroprocessing reaction stage. Effluent from the first hydroprocessing reaction stage is sent to first separator zone of open and empty space in the upper part of the second hydroprocessing reaction stage to flash off the dissolved reaction products hydrogen sulfide and ammonia. Liquid part of the effluent of first hydroprocessing reaction stage is passed to the second predominantly liquid phase hydroprocessing reaction stage. The process is repeated until the liquid product sulfur level of less than 10 ppm is attained and the liquid product is sent to further processing.