裂解汽油加氢装置的物料含有大量易自聚的不饱和烃，自聚造成装置中的分馏器堵塞，会严重影响石油化工厂的连续生产。
The materials to be treated in the distillation towers fo pygas hydrogenation unit contain a lot of unsaturated hydrocarbons which have strong tendency of self - polymerization.
综述了裂解汽油重质馏分增产BT X芳烃的技术进展以及与此相关的加氢脱烷基和非芳烃加氢裂解技术。
Technology Progress of producing BTX aromatics from heavy fraction of pyrolysis gasoline and correlative hydrodealkylation and non-aromatics hydrocracking techniques were reviewed in this paper.
通过对延迟焦化汽油加氢后与普通直馏汽油的乙烯裂解试验和比较，延迟焦化汽油加氢后可以作乙烯原料。
Through the test and comparison of ethylene cracking of hydrogenated delayed coking gasoline and regular grade straight-run gasoline, it is showed that the former can be used as ethylene stock.
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