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化学工业与工程
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��ѧ��ҵ�빤�� 2008, Vol. 25 Issue (2) :183-188    DOI:
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Progress in Mechanism of Passivation for Presulfided Hydrogenation Catalysts
GAO Shan-bin~1,DONG Qun~1,LIU Bin~2,KAN Wei~1,WANG Hong-liang~1(1.College of Chemistry and Chemical Engineering,Daqing Petroleum Institute, Daqing 163318,Heilongjiang Province,China;2.Fertilizer Plant of Daqing Petrochemical Company,Daqing 163714,Heilongjiang Province,China)
(1.College of Chemistry and Chemical Engineering,Daqing Petroleum Institute, Daqing 163318,Heilongjiang Province,China;2.Fertilizer Plant of Daqing Petrochemical Company,Daqing 163714,Heilongjiang Province,China

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Abstract�� By means of passivation process,the self-heating characteristic and stripping of sulfur of presulfided hydrogenation catalysts can be suppressed effectively,the storage and transportation become more convenient and can keep the activity of catalysts.In this paper,the passivation types and mechanism,such as the effect of active site,interaction between carriers and Mo,assistants,etc,on the activity of the passivated catalysts during the process of gas passivation were introduced,and the mechanism of liquid passivation process were discussed simply.
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Received 2008-03-15; published 2008-03-15
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���Ʊ�;��Ⱥ;����;��ΰ;������;.Ԥ�򻯼���߻����ۻ�������о���չ[J].  ��ѧ��ҵ�빤��, 2008,25(2): 183-188
GAO Shan-bin~1,DONG Qun~1,LIU Bin~2,KAN Wei~1,WANG Hong-liang~1.Progress in Mechanism of Passivation for Presulfided Hydrogenation Catalysts[J].  Chemcial Industry and Engineering, 2008,25(2): 183-188
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