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US07829752B2 Process for producing lower olefins 有权
低级烯烃的制备方法

Process for producing lower olefins
摘要:
A process for making lower olefins from a heavy hydrocarbon feed by use of a combination of thermal cracking and vapor-liquid separation, and, then, pyrolytically cracking the light fraction of the thermally-cracked heavy hydrocarbon feed to thereby produce a lower olefin product.
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