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题名: Stabilization of Cobalt Catalysts by Embedment for Efficient Production of Valeric Biofuel
作者: Sun, P (Sun, Peng) ; Gao, G (Gao, Guang) ; Zhao, ZL (Zhao, Zelun) ; Xia, CG (Xia, Chungu) ; Li, FW (李福伟)
通讯作者: Li, FW (李福伟)
关键词: biofuel ; levulinic acid ; valerate esters ; cobalt ; stability
刊名: ACS CATALYSIS
发表日期: 2014
卷: 4, 期:11, 页:4136-4142
收录类别: SCI
英文摘要:
We herein report, for the first time, a bifunctional base-metal catalyst 
 
(Co@HZSM-5) that acts as an efficient alternative to noble-metal catalysts (e.g., 
 
Pt, Ru) for the conversion of levulinic acid into valeric biofuel under batch and 
 
fixed-bed reactor conditions. The cobalt nanoparticles were embedded in HZSM-5 
 
crystals and catalyzed the sequential hydrogenations of the ketone and alkene 
 
functional groups; meanwhile, the acidic zeolite catalyzed the ring opening of the 
 
?-valerolactone intermediate. Although base metals (e.g., Co) are abundant and 
 
inexpensive, their sintering and/or leaching under liquid-phase conditions always 
 
lead to the irreversible deactivation of the catalyst. In this system, the embedment 
 
structure stabilizes the nanoparticles, and Co@HZSM-5 could be used up to eight 
 
times. This work provides a practical clue toward the stabilization of base-metal 
 
catalysts and will inspire the development of large-scale biorefinery. 
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.sinano.ac.cn/handle/332007/1851
Appears in Collections:先进材料研究部_离职团队_期刊论文

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Recommended Citation:
Sun, P ,Gao, G ,Zhao, ZL ,et al. Stabilization of Cobalt Catalysts by Embedment for Efficient Production of Valeric Biofuel[J]. ACS CATALYSIS,2014,4(11):4136-4142.
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