Nano Science and Technology Institute
Nanotech 2011 Vol. 1
Nanotech 2011 Vol. 1
Nanotechnology 2011: Advanced Materials, CNTs, Particles, Films and Composites
Chapter 9: Nanomaterials for Clean & Sustainable Technology

Flowerlike Ceria Microspheres Materials for Bioethanol-H2 Production and VOCs Decontamination

Authors:J. Sun, Z.C. Dong, C.Q. Qin, H.Z. Qin, J.G. Li, L.G. Zhang, Y.L. Cheng, L.Q. Chen, Z.X. Wang, H. li, C.N. Xian
Affilation:Institute of Chmecial Defense, CN
Pages:795 - 798
Keywords:flowerlike CeO2 microspheres, H2 production, VOCs decontamination
Abstract:We introduce a novel material of flowerlike mesoporous CeO2 microspheres with nanointerspace, which was a kind of multifunctional material for both clean and renewable energy technologies. By a controlled calcination procedure,the obtained CeO2 microspheres possess flowerlike morphology, open porous structure, large pore volumes, light, much higher surface areas (140~166m2 /g ) than the commercial common morphology CeO2 particles (~4m2 /g) and marked hydrothermal stability. When used in steam reforming of ethanol for producing H2, these CeO2 microspheres based catalysts show excellent catalytic properties,outstanding ability to resist coke formation and long-term stability more than 1000 hours now. The molecules of poisonous volatile organic compounds ( VOCs ) such as benzene, sulfured hydrogen and so on could be adsorped chemically by this CeO2 microspheres based materials easily at room temperature.
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