The content of conjugated olefins( double bonds) and olefins( double bonds) in four fractions and five fractions of a FCC slurry was determined by the diene number and bromine number analysis method. UV and1 H-NMR were used to characterize and determine the type and content of olefins in the four fractions and five fractions. The results confirm that the olefin( double bond) and conjugated olefin( double bond) exist in FCC slurry,the contents of olefin( double bond) and conjugated olefin( double bond) are a...
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