A series of ultrastable Y zeolites with varies Si/Al mol ratio prepared by different dealumination methods have been investigated.
研究了法和
程度脱铝对Y型沸石浸镧老化后的结构
质和催化裂化
能的影响。
A series of ultrastable Y zeolites with varies Si/Al mol ratio prepared by different dealumination methods have been investigated.
研究了法和
程度脱铝对Y型沸石浸镧老化后的结构
质和催化裂化
能的影响。
The performance of ZSM5、TRA and ZSM5-TRA zeolite catalysts(TRA is one kind of the ZSM series zeolites) for the vapour-phase transalkylation of poly-alkylbenzene have been studied.
在连续流动的固定床反应装置上,考ZSM5、TRA及ZSM5-TRA分子筛催化剂的多烷基苯气相烷基转移催化
能。
The selective Production of monomethylamine (MMA) from methanol and ammonia was studied over some adhesive zeolites at temperature of 425℃ under ambient pressures.
本文研究的是在425℃、常压下,通过粘结沸石催化剂,甲醇与氨选择一甲胺的反应。
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