methane conversion process

methane conversion process

  • CN 102,348,664 B
  • Filed: 03/05/2010
  • Issued: 09/07/2016
  • Est. Priority Date: 03/13/2009
  • Status: Active Grant
First Claim
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1. make one or more gaseous hydrocarbon feed steam comprising methane change into a technique for aromatic hydrocarbon, including:

  • A () makes at least one gaseous hydrocarbon feed steam comprising methane be passed through at least one zone of transformation, and make described stream withAt least one catalyst for dehydroaromatizationof contacts in described district at conversion conditions, comprises at least one aromatic compounds to prepareThing and H2Gaseous product stream;

    B () makes described gaseous product stream be separated into the stream that comprises at least one aromatic compounds described and comprise methane and H2Stream;

    Farther include by described technique and (i) for be heated or cooled or at least one step of conveying liquified natural gas and/Or at least one equipment;

    And/or (ii) comprise >

    5mol% higher hydrocarbon natural gas use combine,Farther include by cryogenic separation make described in comprise methane and H2Stream separate to provide liquid methane and gaseous state H2'"'"'sStep;

    Described cryogenic separation is wherein made to be combined with the step of heats liquefied natural gas stream.

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