文献类型：期刊文献

英文题名：Photocatalytic reduction of CO2 with H2O on Pt-loaded TiO2 catalyst

作者：Han, Wen-Dong[1]; Hong, Yi-Juan[1]; Zhang, Qin-Hui[1]; Yu, Jian-Guo[1]

机构：[1] State Key Lab of Chemical Engineering, College of Chemical Engineering, East China University of Science and Technology, Shanghai, China

年份：2009

外文期刊名：AIChE Annual Meeting, Conference Proceedings

收录：EI(收录号：20101812908651)

语种：英文

外文关键词：Energy conversion - Irradiation - High resolution transmission electron microscopy - Solar energy - X ray diffraction - Photocatalysis - Titanium dioxide - Yarn - Platinum compounds - Catalyst activity - Fluorescence spectroscopy

摘要：A gas-solid heterogeneous system for solar-chemical energy conversion of CO2-SCR (Selective Catalytic Reduction) with H2O on different nanostructure photocatalysts and the photocatalysis pathway were discussed. Different crystal phases and sizes of low dimensional nano-TiO 2 and Pt-metal supported photocatalysts are synthesized and characterized with X-ray Diffraction, High-resolution Transmission Electron Microscopy, Photoluminescence, CO pulse Chemisorptions, N2 adsorption-desorption analysis at 77 K and X-ray Fluorescence spectrometry. The catalytic activity was tested in a fixed-bed photocatalysis reactor and the CH4 yield on the Pt/TiO2 nanotube photocatalysts is more remarkable. It increased with the increase of the UV irradiation time and accumulated to about 4.8 μmol·h-1·gTi-1, enhanced as the increase of the reaction temperature and H2O/CO 2 molar ratio as well.