To meet the requirements for improving activity and enhancing coke resistance property of catalyst for resid fluid catalytic cracking (RFCC), series of ultrastable Y zeolites with high Si/Al ratio and micro-sphere catalysts based on the resulted zeolites have been prepared.
以研制高活性、低结焦性能的渣油催化裂化催化剂为目标,本论文采用联合脱铝法制备了高硅铝比Y型沸石,研究了不同脱铝方法和脱铝程度对Y型沸石的结构、酸性和催化裂化性能的影响。
参考来源 - 低结焦渣油催化裂化催化剂研究·2,447,543篇论文数据，部分数据来源于NoteExpress
同义词： residual oil
以上来源于: WordNet
Emphases resid in the problems of choosing an efficient color space, deciding threshold and matching feature points.
重点研究了颜色空间的选取、目标识别中确定阀值的策略及特征点的选取方法。
The factors influencing coking within resid fluid catalytic cracking(RFCC) disengagers and the mechanism are analyzed.
分析了重油催化裂化（RFCC）沉降器结焦的影响因素和机理。
Increases in throughput, resid blending ratio and gasoline octane as well as drop in coke yield can be obtained after the catalyst mixing.
使用混兑催化剂可提高渣油掺炼比，降低焦炭产率，提高装置处理量，并可提高汽油辛烷值。
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