INTEGRATED METHODS AND CONFIGURATIONS FOR PROPANE RECOVERY IN BOTH ETHANE RECOVERY AND ETHANE REJECTION

    公开(公告)号:US20210095921A1

    公开(公告)日:2021-04-01

    申请号:US17054195

    申请日:2018-05-22

    Abstract: A natural gas liquids (NGL) plant, the NGL plant comprising an absorber configured to provide an absorber overhead and an absorber bottoms, a stripper configured to produce a stripper overhead and a stripper bottoms, wherein the stripper is positioned downstream from the absorber and fluidly connected therewith such that the absorber bottoms can be introduced into the stripper, and a multi-pass heat exchanger configured to provide at least one reflux stream to the absorber, wherein the absorber and stripper are configured, in an ethane rejection arrangement, to provide the stripper overhead to a top of the absorber, and wherein the absorber and stripper are configured, in an ethane recovery arrangement, to provide the stripper overhead to a bottom of the absorber.

Patent Agency Ranking