PROCESS FOR GAS PURIFICATION
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United States of America Patent
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app pub date -
Jul 15, 2009
filing date -
Sep 7, 2005
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Abandoned
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Abstract
The present invention provides for a process for purifying carbon monoxide-containing gas streams that contain impurities such as hydrocarbons by using a cryogenic adsorption process. Preferably this process is a temperature swing adsorption process at cryogenic temperatures below −75° C. Alternatively, the carbon monoxide-containing gas streams may be purified using the cryogenic adsorption process with membrane separation units or vacuum swing adsorption units or cryogenic distillation.
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