1. 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.
   综述了裂解汽油重质馏分增产BTX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。

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