Heavy oil recovery rate can be increased and gasoline olefin hydrocarbon content can be decreased effectively by catalytic cracking operation parameters optimization.
通过优化催化裂化装置的操作参数可有效提高重油转化率和降低汽油烯烃含量。
The dual-group hydrocarbon type rubber plasticizer was prepared using the heavy components in the production of heavy oil catalytic cracking by secondary deasphalting process.
以重油催化裂化装置生产的重组分油为原料，采用二次脱沥青精制工艺，可制备二元族烃型橡胶增塑剂。
An analytical procedure as well as the separation method of the hydrocarbon constituents in heavy distillate and residue of crude shale oil is recommended.
通过本工作，初步拟定了适合于页岩油重油、残油的族组成系统分析的方法流程，同时也是族组份分离方法。
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