Dicyclopentadiene (DCPD) mostly comes from the C5 fraction of by-product which is produced in the process of preparation of ethylene by petroleum cracking and by-product of the coal-coking process.
双环戊二烯主要来自石油裂解制乙烯副产物的C5馏分和煤炭焦化副产物。
A large amount of C5 fraction is generated in the ethylene production process with petroleum hydrocarbon cracking.
在石油烃类裂解制取乙烯的过程中，有大量的C5馏分产生。
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