偏Y-3A分子筛裂化催化剂在提升管催化裂化工业装置上使用试验的结果表明，该催化剂的裂化活性较高，汽油选择性较好。
The perfermance test on a commercial riser cracker shows that meta-Y-3A molecular sieve cracking catalyst is of high activity and improved gasoline selectivity.
再生器压力、沉降器压力和提升管反应器出口温度均被控制，原料处理量提高后，气体、汽油和焦炭产率均下降。
Under control of the outlet temperature and the pressures, the increase of feed throughput will cause the decrease of gas, gasoline and coke produced in reaction.
汽油硫含量沿提升管高度增加而逐渐降低。
Sulfur content of gasoline reduces gradually along the riser.
随着提升管高度的增加，重油的质量分率降低，而汽油、液化气、气体和焦炭的产率增加。
With the riser height increases, the mass fraction of heavy oil reduces, while the weight of gasoline, LPG, gas and coke has been increasing.
利用催化裂化催化剂在小型提升管催化裂化试验装置上考察了催化裂化汽油轻馏分改质和催化裂化汽油循环回炼改质的反应规律。
Reaction rules of FCC light naphtha upgrading and FCC naphtha recycle and reflux upgrading have been investigated with FCC catalyst in the bench scale riser FCC unit.
本发明公开了石油加工过程的一种改质劣质汽油的双提升管催化裂化方法 及装置，主要用于解决采用现有技术所生产的汽油烯烃含量或硫含量下降幅度 不大的问题。
The double lift pipe catalytic cracking process and apparatus for modifying inferior petrol in petroleum processing aims at reducing the olefin content and sulfur content in petrol greatly.
本发明公开了石油加工过程的一种改质劣质汽油的双提升管催化裂化方法 及装置，主要用于解决采用现有技术所生产的汽油烯烃含量或硫含量下降幅度 不大的问题。
The double lift pipe catalytic cracking process and apparatus for modifying inferior petrol in petroleum processing aims at reducing the olefin content and sulfur content in petrol greatly.
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