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    PHASE IMPLEMENTATION OF NATURAL GAS LIQUID RECOVERY PLANTS
    71.
    发明申请
    PHASE IMPLEMENTATION OF NATURAL GAS LIQUID RECOVERY PLANTS 有权

    公开(公告)号：US20210381760A1

    公开(公告)日：2021-12-09

    申请号：US17393477

    申请日：2021-08-04

    申请人： Fluor Technologies Corporation

    发明人： John MAK

    IPC分类号： F25J3/02

    摘要： Embodiments relate generally to systems and methods for operating a natural gas liquids plant in ethane rejection and in ethane recovery. A natural gas liquid plant may comprise an absorber configured to produce an ethane rich bottom stream and an ethane depleted vapor stream; a stripper fluidly coupled to the absorber configured to, during ethane rejection, fractionate the ethane rich bottom stream from the absorber into an ethane overhead product and a propane plus hydrocarbons product, and configured to, during ethane recovery, fractionate the ethane rich bottom stream into an ethane plus NGL stream and an overhead vapor stream; and an exchanger configured to, during ethane recovery, counter-currently contact the ethane rich bottom stream from the absorber with the ethane depleted vapor stream from the absorber, thereby heating the vapor stream and chilling the ethane rich bottom stream before the ethane rich bottom stream is fed to the stripper.

    Phase implementation of natural gas liquid recovery plants
    72.
    发明授权
    Phase implementation of natural gas liquid recovery plants 有权

    公开(公告)号：US11112175B2

    公开(公告)日：2021-09-07

    申请号：US15789463

    申请日：2017-10-20

    申请人： Fluor Technologies Corporation

    发明人： John Mak

    IPC分类号： F25J3/02

    摘要： Embodiments relate generally to systems and methods for operating a natural gas liquids plant in ethane rejection and in ethane recovery. A natural gas liquid plant may comprise an absorber configured to produce an ethane rich bottom stream and an ethane depleted vapor stream; a stripper fluidly coupled to the absorber configured to, during ethane rejection, fractionate the ethane rich bottom stream from the absorber into an ethane overhead product and a propane plus hydrocarbons product, and configured to, during ethane recovery, fractionate the ethane rich bottom stream into an ethane plus NGL stream and an overhead vapor stream; and an exchanger configured to, during ethane recovery, counter-currently contact the ethane rich bottom stream from the absorber with the ethane depleted vapor stream from the absorber, thereby heating the vapor stream and chilling the ethane rich bottom stream before the ethane rich bottom stream is fed to the stripper.

    Configurations and methods for small scale LNG production
    73.
    发明授权
    Configurations and methods for small scale LNG production 有权

    公开(公告)号：US11112173B2

    公开(公告)日：2021-09-07

    申请号：US15201070

    申请日：2016-07-01

    申请人： Fluor Technologies Corporation

    发明人： John Mak

    IPC分类号： F25J1/00 ,  F25J5/00 ,  F25J1/02

    摘要： An LNG plant comprises a cold box and a refrigeration unit fluidly coupled with a plurality of heat exchanger passes in the cold box. The refrigeration unit is configured to provide a first refrigerant stream to a first heat exchanger pass of the plurality of heat exchanger passes at a first pressure, a second refrigerant stream to a second heat exchanger pass at a second pressure, and a third refrigerant stream to a third heat exchanger pass at a third pressure. The second refrigerant stream comprises a first portion of the first refrigerant stream, and the third refrigerant stream comprises a second portion of the first refrigerant stream. The second pressure and the third pressure are both below the first pressure. The cold box is configured to produce LNG from a natural gas feed stream to the cold box using a refrigeration content from the refrigeration unit.

    Ethane recovery or ethane rejection operation
    74.
    发明授权
    Ethane recovery or ethane rejection operation 有权

    公开(公告)号：US10704832B2

    公开(公告)日：2020-07-07

    申请号：US15988310

    申请日：2018-05-24

    申请人： FLUOR TECHNOLOGIES CORPORATION

    发明人： John Mak

    IPC分类号： F25J3/02 ,  F25J3/06

    摘要： A method for operating a natural gas liquids processing (NGL) system, the system being selectively configured in either an ethane rejection configuration or an ethane recovery configuration, the method comprising, when the NGL system is in the ethane rejection configuration, collecting a reboiler bottom stream that, in the ethane rejection configuration, includes ethane in an amount of less than 5% by volume, and when the NGL system is in the ethane recovery configuration, collecting a reboiler bottom stream that, in the ethane recovery configuration, includes ethane in an amount of at least about 30% by volume.

    Processing of gasification tars to high yields of BTX
    75.
    发明授权
    Processing of gasification tars to high yields of BTX 有权

    公开(公告)号：US10590349B2

    公开(公告)日：2020-03-17

    申请号：US15621596

    申请日：2017-06-13

    申请人： Fluor Technologies Corporation

    发明人： Paul E. Koppel ,  Ravi Ravikumar

    IPC分类号： C10G11/02 ,  C07C4/26 ,  C07C15/04 ,  C07C15/06 ,  C07C15/08 ,  C10J3/84

    摘要： Embodiments relate generally to systems and method for processing tars to produce benzene, toluene, and xylene (BTX). A method for processing tars may comprise distilling the tars to separate creosotes and pitch; and processing the pitch via hydropyrolysis, including both hydrogenation and hydrocracking functions, to remove heteroatoms and break down polyaromatics in the pitch and produce monoaromatics, such as BTX. A system for processing tars may comprise one or more of the following: an input stream comprising tars feeding into a column; the column configured to separate the tars into one or more creosote streams and a pitch stream; and a reactor (or a series of reactors, or beds within a single reactor), wherein the pitch stream is fed to the reactor along with a stream of hydrogen, wherein the reactor is configured to break down the pitch to produce BTX.

    Production of pure hydrogen from ammonia rich sour water stripper overhead
    79.
    发明授权
    Production of pure hydrogen from ammonia rich sour water stripper overhead 有权

    公开(公告)号：US10112829B2

    公开(公告)日：2018-10-30

    申请号：US15000389

    申请日：2016-01-19

    申请人： Fluor Technologies Corporation

    发明人： Ravi Ravikumar ,  Paul M. Mathias

    IPC分类号： F04D29/58 ,  F01K27/02 ,  F01K7/16 ,  F04D1/04 ,  F01D15/10 ,  C01B3/04 ,  C01B17/04

    摘要： A method of producing hydrogen comprising receiving a sour gas comprising CO2, H2S, and ammonia from a sour water stripper; introducing the sour gas to an absorption system to produce an ammonia rich gas and a sulfide rich gas, wherein the ammonia rich gas comprises ammonia and CO2, and wherein the sulfide rich gas comprises H2S and CO2; compressing the ammonia rich gas in a compressing unit to a pressure of 400-600 psig to produce a compressed ammonia rich gas; introducing the compressed ammonia rich gas to an ammonia cracker unit comprising a catalyst to produce a cracked gas, wherein the ammonia cracker unit is characterized by a cracking temperature of 450-550° C., and wherein the cracked gas comprises hydrogen, nitrogen, and CO2; and introducing the cracked gas to a PSA unit to produce hydrogen and a PSA tail gas, wherein the PSA tail gas comprises nitrogen and CO2.