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.
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。
According to the analysis of data of the catalyst and solid particle in the oil mud for the catalytic cracker, the reasons of catalyst loss from different angles is analyzed in this paper.
本文根据对炼油厂催化装置的催化剂及油浆固含量的数据进行分析，从而对催化装置的催化剂损耗原因从几个方面进行了探讨。
According to the analysis of data of the catalyst and solid particle in the oil mud for the catalytic cracker, the reasons of catalyst loss from different angles is analyzed in this paper.
本文根据对炼油厂催化装置的催化剂及油浆固含量的数据进行分析，从而对催化装置的催化剂损耗原因从几个方面进行了探讨。
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