化工学报Issue(5)：1636-1643,8.DOI:10.3969/j.issn.0438-1157.2014.05.012
Au/TiO2-B催化剂的CO低温氧化性能
Au/TiO2-B catalyst for low-temperature CO oxidation
摘要
Abstract
Exploring the catalytic performance of gold nanoparticles on the novel materials can effectively extend the application of gold catalyst. In this case, TiO2-B is used as a support to load gold nanoparticles for low-temperature CO oxidation. The TiO2-B was shaped in micron-scale fibers with length of 5-20μm, and the gold nanoparticles with size of~ 3 nm could be uniformly dispersed on the surface of TiO2-B. CO oxidation tests showed that the catalytic performance of gold nanoparticles was influenced by calcination temperature of TiO2-B which gave rise to the difference in gold dispersion and interaction between gold nanoparticles and support. The activity of gold deposited on the support with pure TiO2-B phase could exceed/match that on anatase nanopowders. Moreover, the gold nanoparticles activated at 300℃ showed the best CO oxidation performance, and the catalyst activated in oxidative atmosphere had a better catalytic performance than that in inert or reductive atmosphere.关键词
TiO2-B/催化剂/纳米粒子/CO氧化/活化Key words
TiO2-B/catalyst/nanoparticles/carbon monoxide oxidation/activation分类
化学化工引用本文复制引用
王喜兵,纪拓,李力成,杨祝红,陆小华..Au/TiO2-B催化剂的CO低温氧化性能[J].化工学报,2014,(5):1636-1643,8.基金项目
国家重点基础研究发展计划项目（2013CB733503）。@@@@supported by the National Basic Research Program of China (2013CB733503) （2013CB733503）
