The influences of the particle size distribution of equilibrium catalyst on product distribution of fluidized-bed catalytic cracking were investigated.
研究了催化裂化平衡剂的粒度分布对裂化产品分布的影响。
Usually a pipe, known as a dip leg, is connected to this bottom outlet and, in catalytic cracking, serves to convey the solids back to the catalyst bed.
一般有一个通称为料腿的管子与此底部出口相连，在催化裂化中用此料腿将固体送回到催化剂床层。
Fluidized bed processing was first used commercially in fluid catalytic cracking of crude oil in 1941.
早在1941年，流化床工艺过程就第一次以工业规模用于原油的流化催化裂化。
Quinoline catalytic cracking was studied on a fixed-bed microactivity test unit by using toluene, cetane, and tetralin as solvent.
采用固定床微反活性实验装置，以甲苯、十六烷、四氢萘为溶剂，研究了碱性含氮化合物喹啉的催化裂化转化规律。
Indole catalytic cracking was performed on a fixed-bed microactivity test unit by using toluene, cetane, and tetralin as solvents.
采用固定床微反活性实验装置，以甲苯、十六烷、四氢萘为溶剂，研究了非碱性含氮化合物吲哚的催化裂化转化规律。
Indole catalytic cracking was performed on a fixed-bed microactivity test unit by using toluene, cetane, and tetralin as solvents.
采用固定床微反活性实验装置，以甲苯、十六烷、四氢萘为溶剂，研究了非碱性含氮化合物吲哚的催化裂化转化规律。
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