加氢脱氧
催化作用
生物量(生态学)
化学
化学工程
纳米颗粒
材料科学
基质(水族馆)
精炼(冶金)
有机化学
冷凝
生物燃料
纳米技术
废物管理
物理化学
工程类
地质学
物理
选择性
海洋学
热力学
作者
Steven Crossley,Jimmy Faria,Min Shen,Daniel E. Resasco
出处
期刊:Science
[American Association for the Advancement of Science (AAAS)]
日期:2010-01-01
卷期号:327 (5961): 68-72
被引量:707
标识
DOI:10.1126/science.1180769
摘要
A recoverable catalyst that simultaneously stabilizes emulsions would be highly advantageous in streamlining processes such as biomass refining, in which the immiscibility and thermal instability of crude products greatly complicates purification procedures. Here, we report a family of solid catalysts that can stabilize water-oil emulsions and catalyze reactions at the liquid/liquid interface. By depositing palladium onto carbon nanotube-inorganic oxide hybrid nanoparticles, we demonstrate biphasic hydrodeoxygenation and condensation catalysis in three substrate classes of interest in biomass refining. Microscopic characterization of the emulsions supports localization of the hybrid particles at the interface.
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