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US4857495A Hydrocracking catalysts and processes employing silicoaluminophosphate molecular sieves 失效
加氢裂化催化剂和采用硅铝磷酸盐分子筛的方法

Hydrocracking catalysts and processes employing silicoaluminophosphate
molecular sieves
摘要:
Hydrocracking processes are disclosed using catalysts comprising silicoaluminophosphates of U.S. Pat. No. 4,440,871 characterized in the calcined form by an adsorption of oxygen of at least 4 percent by weight at a partial pressure of 100 torr and a temperature of -186.degree. C.
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