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Ni/HZSM-5催化剂的结构及其催化山梨醇水相加氢合成烷烃性能
邱珂; 章青; 江婷; 马隆龙; 王铁军; 张兴华; 丘明煌
2011
Source Publication催化学报
ISSN0253-9837
Volume032Issue:004Pages:612
Abstract采用浸渍法制备了Ni/HZSM-5双功能催化剂,考察了焙烧温度对催化剂结构及其催化山梨醇水相加氢合成C5~C6烷烃性能的影响.结果表明,在金属中心和酸性载体的协同作用下,通过山梨醇中C-O键加氢和异构化高选择性合成了C5~C6烷烃.经500°C焙烧的Ni/HZSM-5催化剂上山梨醇水相加氢的活性最高,山梨醇转化率为62.0%,戊烷和己烷的总选择性为76.4%,其中异己烷选择性达45.4%.对催化剂进行N2物理吸附、X射线衍射、NH3程序升温脱附和H2程序升温还原等表征后发现,经500°C焙烧催化剂的有效比表面积和孔体积均明显增大,HZSM-5负载的硝酸镍分解成较小晶粒的NiO,表面酸量适中,且Ni物种与载体相互作用较强,较易被H2还原,Ni还原度达100%.这是其催化活性最高的原因.
Language英语
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/21464
Collection中国科学院广州能源研究所
Affiliation中国科学院广州能源研究所
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
邱珂,章青,江婷,等. Ni/HZSM-5催化剂的结构及其催化山梨醇水相加氢合成烷烃性能[J]. 催化学报,2011,032(004):612.
APA 邱珂.,章青.,江婷.,马隆龙.,王铁军.,...&丘明煌.(2011).Ni/HZSM-5催化剂的结构及其催化山梨醇水相加氢合成烷烃性能.催化学报,032(004),612.
MLA 邱珂,et al."Ni/HZSM-5催化剂的结构及其催化山梨醇水相加氢合成烷烃性能".催化学报 032.004(2011):612.
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