METHOD FOR PRODUCING OLEFINS BY DILUTE FEED CRACKING OF REFINERY OFF-GAS AND OTHER LIGHT HYDROCARBONS

摘要

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.