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芘选择性催化加氢的研究

Release Time:2019-03-11  Hits:

Indexed by: Journal Article

Date of Publication: 2011-01-15

Journal: 石油化工

Included Journals: CSCD、ISTIC、PKU、Scopus

Volume: 40

Issue: 1

Page Number: 75-79

ISSN: 1000-8144

Key Words: 芘;选择性催化加氢;4,5,9,10-四氢芘;1,2,3,6,7,8-六氢芘;钼改性骨架镍;负载型贵金属催化剂

Abstract: 研究了在Mo改性骨架Ni(S-NiMo)和负载型贵金属(Rh/C,Ru/C,Pd/C)催化体系下,芘选择性催化加氢的反应历程,并考察了以S-NiMo为催化剂时,溶剂、温度和压力对芘加氢反应的影响.实验结果表明,在负载型贵金属催化体系下,通过控制反应条件可使4,5,9,10-四氢芘成为主产物,催化剂活性高低顺序为:Rh/C>Ru/C>Pd/C,主产物收率高低顺序与其相反.而采用S-NiMo催化剂时,主产物为1,2,3,6,7,8-六氢芘;在该催化体系下,优化的反应条件为:以环己烷为溶剂,反应温度150℃,反应压力0.6 MPa,在此条件下,主产物1,2,3,6,7,8-六氢芘的收率达76.9%.

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