PROCESSES AND SYSTEMS FOR REFINING FUEL GAS
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United States of America Patent
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Apr 28, 2016
app pub date -
Oct 22, 2014
filing date -
Oct 22, 2014
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Processes and systems are provided for refining fuel gas. The processes involve first and second water wash stages, before and after a caustic wash stage, in which fuel gas is contacted with water for removing amine and caustic compounds from the fuel gas. The systems for refining LPG comprise a first water wash vessel and a caustic wash vessel, followed by a second water wash vessel, wherein the water wash vessels are each adapted for contacting the LPG with water to remove amine and caustic compounds therefrom.
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