在石油化工生产过程里,常用石油分馏产品(包括石油气)作原料,采用比裂化更高的温度(700~800℃,有时甚至高达1000℃以上),使具有长链分子的烃断裂成各种短链的气态烃和少量液态烃,以提供有机化工原料。工业上把这种方法叫做石油的裂解。所以说裂解就是深度裂化,以获得短链不饱和烃为主要成分的石油加工过程,是化学变化。
... petroleum coke, low sulphur ==> 混合低硫石油焦 petroleum cracking ==> 石油裂解 petroleum cracking process ==> 石油裂化过程 ...
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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。
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.
作为综合石油巨头,中石油(PTR)的工厂为老式炼油厂(直通裂解)。
As an integrated oil giant, Petrochina Co. Ltd (PTR) 's refineries were largely out-dated (straight cracking).
烯烃主要是来自石油气或大分子的碳氢化合物裂解,如乙烯,丙烯。
The olefins, such as ethylene and propylene, are formed from petroleum gas or from cracking of larger hydrocarbons. Ethylene is used to make polyethylene e.g.
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