Daqing vacuum gas oil(VGO)was catalytically cracked over catalysts of different zeolite types in a small FFB(fixed fluid bed)unit to study the aromatics shift and aromatics generation which are two important routes of benzene formation in the catalytic cracking process.
以大庆减压蜡油(VGO)为原料,采用不同类型分子筛催化剂在小型固定流化床装置上考察了催化裂化过程中苯生成的两条重要途径——芳烃迁移和芳烃生成反应。
参考来源 - 蜡油催化裂化过程中的苯生成反应途径·2,447,543篇论文数据，部分数据来源于NoteExpress
作者选用催化原料油—减压蜡油为萃取剂，对催化裂化含酚废水进行脱酚预处理。
FCC raw material oil-decompressed wax oil is used as extraction agent to pretreat FCC phenol-bearing wastewater.
内容涉及原油蒸馏、减压蜡油加工、渣油加工、三废治理、设备腐蚀与防腐蚀措施等。
The content referred to crude distillation, processing of VGO and vaccum residue, equipment corrosion and anticorrosion as well as the treatment of the wastes.
回归模型统计分析及检验结果表明，所得模型的预测能力较强，可以用于减压蜡油组成的预测。
A regression model for predicting 13 types of VGO hydrocarbon compositions was set up by stepwise regression method, and the predicted value agreed quite well with the actual test data.
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