The process is considered by some refiners as a supplement to the basic catalytic cracking process.
一些炼油公司将此工艺看作是催化裂化基本工艺的一个补充。
And the relevant suggestion for developing trend of catalytic cracking process and catalyst is pointed out.
对催化裂化工艺和催化剂的发展趋势提出了相关的建议。
Catalyst for promoting conversion of high-boiling hydrocarbons into lower-boiling types in catalytic cracking process.
在催化裂化过程中为促进高沸点烃类转化成低沸点烃类所用的催化剂。
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