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["В настоящее время U-трубчатые катализаторы катафракции基本上被提升管形式取代,前者相对来说缺点主要是什么"

2017-05-29View Original

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"В настоящее время U-трубчатые катализаторы катафракции基本上被提升管形式取代,前者相对来说缺点主要是什么"
Reply #22017-05-30
"Чтобы соответствовать высокоактивным молекулярнымым сieves катализаторам,考虑,分子筛催化剂活性高,对停留时间要求严格且更好,因此采用提升管"
Reply #32017-05-30
"Многое недостатки. Используемые катализаторы кажется,好像没有地方可以生产了。我们原来就是老型的催化裂化,催化剂活性低,活性低,不能使用重质原料,装置收率低能耗高。而且操作起来也比较繁琐抗事故风险能力也比较差"
Reply #42017-06-01
"Без U型管催化,U型管是用来输送催化剂的,就是现在的斜管。现在的提升管是反应器,过去是床层反应。不是在U型管里反应"

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