Membrane-based conditioning for adsorption system feed gases
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United States of America Patent
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Jan 4, 2000
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N/A
app pub date -
May 22, 1998
filing date -
May 22, 1998
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Abstract
A process for treating gas streams containing hydrogen and hydrocarbons. The process includes a membrane conditioning step to remove C.sub.5 -C.sub.8 hydrocarbons, followed by a selective adsorption or membrane separation step to separate hydrogen from methane. The membrane conditioning step uses a membrane selective for C.sub.5 -C.sub.8 hydrocarbons over hydrogen.
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