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Hydrogenation of ortho-nitrochlorobenzene on activated carbon supported platinum catalysts
Author(s): 
Pages: 378-381
Year: Issue:  5
Journal: JOURNAL OF ZHEJIANG UNIVERSITY SCIENCE

Keyword:  Platinum/carbon catalystHydrogenationOrtho-nitrochlorobenzene22'-dichlorohydrazobenzeneActivated carbon;
Abstract: Platinum/carbon catalyst is one of the most important catalysts in hydrogenation of ortho-nitrochlorobenzene to 2,2'-dichlorohydrazobenzene. The preparation process and the supports of catalysts are studied in this paper. Raw materials and preparation procedure of the activated carbon have great influences on the compositions and surface structure of platinum/carbon catalysts. Platinum catalysts supported on activated carbon with high purity, high surface area, large pore volume and appropriate pore structure usually exhibit higher activities for hydrogenation of ortho-nitrochlorobenzene to 2,2'-dichlorohydrazobenzene.The catalyst prepared from H2PtCl6 with pH=3 shows greater catalytic performance than those prepared under other conditions.
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