METHOD FOR PRODUCING OLEFINS BY DILUTE FEED CRACKING OF REFINERY OFF-GAS AND OTHER LIGHT HYDROCARBONS
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United States of America Patent
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Issued Date -
Mar 1, 2012
app pub date -
Aug 25, 2011
filing date -
Aug 25, 2010
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Abandoned
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Abstract
The present invention is directed to a method for producing, inter alia, olefins from refinery saturated and unsaturated off-gas. Furthermore, said refinery streams are not required to undergo deoxygenation reaction in a separate reactor system provided they are fed to the pyrolysis furnace. The refinery off-gases are treated to produce olefins such as ethylene and propylene. Gases from petrochemical facilities, gas separation plants and similar facilities that produce light gases containing ethane and propane are useful in the present method.
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