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charleygan

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chlgan


loser_wang(金币+15, 翻译EPI+1): 2010-10-24 16:15:23
Because noble metal are used as the active component of hydroisomerization catalysts and weakly acidic molecular sieves are used as carrier, when the sulfur content of feedstock is high enough to poison the active mental, the ability of hydrogenation / dehydrogenation of the catalysts will be reduced; and when the nitrogen content is high enough to poison the acid center, the acid of the catalyst will be reduced.
3楼2010-10-23 10:21:03
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