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US4276149A Steam passivation of metal contaminants on cracking catalysts 失效
金属污染物对裂化催化剂的蒸汽钝化

Steam passivation of metal contaminants on cracking catalysts
摘要:
A method of passivating metal contaminants on cracking catalysts which comprises contacting said catalysts with steam for limited periods of time and at moderate temperatures.
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