B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 53/047 (2006.01) B01D 53/04 (2006.01)
Patent
CA 2623488
A natural gas stream (4) derived from a landfill (2) and containing impurities including siloxane impurities is purified by a PSA process (10) to produce a methane-rich product stream (12) which is substantially free of siloxane impurities. A methane-rich vent stream (16) having a pressure less than the product stream is formed that is also free of siloxanes and can be used as a fuel stream to run a compressor (6) for the PSA process (10) .
Dans la présente invention, un flux de gaz naturel provenant d'une décharge et contenant des impuretés comprenant des impuretés siloxane est épuré par un processus d'adsorption modulée en pression (AMP) en vue de produire un flux de produit riche en méthane qui est sensiblement dépourvu d'impuretés siloxane. Un flux d'aération riche en méthane, d'une pression inférieure à celle du flux de produit est formé, ce flux étant également dépourvu de siloxanes et pouvant être utilisé en tant que flux de combustible servant à faire fonctionner un compresseur utilisé pour le processus AMP.
Basf Catalysts Llc
Sim & Mcburney
LandOfFree
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