英语翻译本文以有害金属对裂化催化剂的污染为基础,分析了镍、钒、铁、钠、钙对分子筛孔结构、酸性的作用以

英语翻译本文以有害金属对裂化催化剂的污染为基础,分析了镍、钒、铁、钠、钙对分子筛孔结构、酸性的作用以

This article take the harmful metal to the cracking catalyst pollution as a foundation,has analyzed the nickel,the vanadium,the iron,the sodium,the calcium to the molecular mesh structure,the acidic function as well as to the catalyst activeness,the selective influence,has discussed the metal passivator and the harmful metal function,deactivates aspect and so on mechanism and in optimized catalyst use environment,improvement product distribution positive roles,proposed non-toxic,highly effective,the multi-purpose metal passivator future the development direction.======以下答案可供参考======供参考答案1:In this paper, the harmful metals pollution of cracking catalyst, based on an analysis of nickel, vanadium, iron, sodium, calcium on the zeolite pore structure, the role of acid and catalyst activity, selectivity of the effects of harmful metals and metal passivator the role of the passivation mechanism and catalyst in optimizing the use of the environment, improve the product distribution of an active role in a non-toxic, highly efficient, multi-functional metal passivator the direction of future development.供参考答案2:This article take the harmful metal to the cracking catalyst pollution as a foundation, has analyzed the nickel, the vanadium, the iron, the sodium, the calcium to the molecular mesh structure, the acidic function as well as to the catalyst activeness, the selective influence, has discussed the metal passivator and the harmful metal function, deactivates aspect and so on mechanism and in optimized catalyst use environment, improvement product distribution positive roles, proposed non-toxic, highly effective, the multi-purpose metal passivators in the future the development direction.

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