渣油催化裂化，所用原料为常压渣油或减厂馏分油掺部分减压渣油的流化，催化裂化过程它的生产上艺流程与一般流化催化裂化相同。
因此，渣油催化裂化宜采用短接触时间和快速油气分离技术。
So the techniques of short contact time and quick speed oil gas separation in residua catalytic cracking should be taken.
并对目前渣油催化裂化工艺有待开发的技术领域进行了讨论。
The ideas for further development of the residuum catalytic cracking reaction technology according t...
并对目前渣油催化裂化工艺有待开发的技术领域进行了讨论。
The ideas for further development of the residuum catalytic cracking reaction technology according to the problems of commercial riser were discussed.
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