the catalysts and processes for conversion of heavy aromatics to light one were reviewed, especially those for catalytic hydrodealkylation and transalkylation.
重点阐述了催化加氢脱烷基和烷基转移反应特点和有关催化剂的研究以及国内外主要工艺发展现状。
it is recognized through evaluation that the fcc heavy aromatics is a good rubber softener.
综合评价认为,催化裂化重芳烃是一种性能优良的橡胶软化剂。
this paper analyzes the heavy aromatics pipes frozen reasons of px distillation unit in sinopec luoyang sub-company, and offers the improvement to prevent them.
分析了中国石化洛阳分公司二甲苯精馏装置重芳烃管线冻凝的原因,提出了预防管线冻凝的改进措施,并对回收均四甲苯提出建议。