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Hongchen Guo

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Supervisor of Doctorate Candidates
Supervisor of Master's Candidates


Gender:Male
Alma Mater:Dalian University of Technology
Degree:Doctoral Degree
School/Department:School of Chemical Engineering
Discipline:Industrial Catalysis. Physical Chemistry (including Chemical Physics)
Business Address:521 Room,Chemical Engineering Building B,West Campus, Dalian University of Technology.
Contact Information:+86-411-84986120
E-Mail:hongchenguo@dlut.edu.cn
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Current position: Home >> Scientific Research >> Paper Publications

NiO或NiSO4改性的纳米HZSM-5催化剂的加氢脱硫活性

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Indexed by:期刊论文

Date of Publication:2008-08-01

Journal:催化学报

Included Journals:PKU、ISTIC、CSCD、SCIE、EI、Scopus

Volume:29

Issue:8

Page Number:705-709

ISSN No.:0253-9837

Key Words:全馏分催化裂化汽油;加氢脱硫;HZSM-5分子筛;硫酸镍;乙酸镍;硝酸镍

Abstract:研究了纳米HZSM-5及其用不同镍化合物改性的催化剂的脱硫活性. 结果表明,对全馏分催化裂化汽油脱硫, NiSO4改性比NiO改性的催化剂有更好的脱硫活性稳定性. 通过催化剂吸附吡啶前后的傅里叶变换红外光谱、氨程序升温脱附和微分热重分析等表征结果发现, NiSO4中的SO2-4与催化剂中的Al2O3之间存在着较强的相互作用;这种相互作用可以产生类似于超强酸的酸性质,大大提高了催化剂路易斯酸中心的数量和强度,从而提高了催化剂催化脱硫活性的稳定性.

 

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