TY - JOUR
T1 - Preparation of composite TiO2-zeolite sheets using a papermaking technique and their application to environmental improvement
T2 - Part II. Effect of zeolite coexisting in the composite sheet on NOx removal
AU - Ichiura, H.
AU - Kitaoka, T.
AU - Tanaka, H.
N1 - Funding Information:
This work was supported in part by a Research Fellowship of the Japan Society for the Promotion of Science for Young Scientists, the R & D Foundation for Environmental Protection in Steel Industries, and a Grant-in-Aid for Scientific Research (13558075) from the Ministry of Educaiton, Culture, Sports, Science and Technology, Japan. The authors are indebted to Mitsubishi Heavy Industries Ltd. for providing zeolite and ceramic fiber, to Nissan Chemical Co. for the alumina sol and to Ishihara Techno Co., for the TiO2. Dr, J. Anthony Bristow kindly made a linguistic revision of the manuscript.
PY - 2003/4/15
Y1 - 2003/4/15
N2 - Sheets with a photocatalytic action were prepared using a papermaking technique. These sheets included single TiO2-sheet (Ti) and composite TiO2 sheets with a type zeolite (Ti-ZeA) and Y type zeolite (Ti-ZeY). A sheet (ZeA-Ti sol) containing A type zeolite treated with TiO2 sol was also prepared. Nitrogen monoxide (NO) was photocatalytically decomposed continuously when these sheets were used under UV irradiation. The subsequent photooxidation of NO to NO2 and of NO2 to HNO3 was observed. The NOx removal efficiencies of the sheets increased in the following order; Ti-ZeY < Ti < Ti-ZeA < ZeA-Ti sol. The reaction mechanism is discussed on the basis of the combined effects of the photocatalytic ability of TiO2 and the function of zeolites to adsorb NO and retain the products.
AB - Sheets with a photocatalytic action were prepared using a papermaking technique. These sheets included single TiO2-sheet (Ti) and composite TiO2 sheets with a type zeolite (Ti-ZeA) and Y type zeolite (Ti-ZeY). A sheet (ZeA-Ti sol) containing A type zeolite treated with TiO2 sol was also prepared. Nitrogen monoxide (NO) was photocatalytically decomposed continuously when these sheets were used under UV irradiation. The subsequent photooxidation of NO to NO2 and of NO2 to HNO3 was observed. The NOx removal efficiencies of the sheets increased in the following order; Ti-ZeY < Ti < Ti-ZeA < ZeA-Ti sol. The reaction mechanism is discussed on the basis of the combined effects of the photocatalytic ability of TiO2 and the function of zeolites to adsorb NO and retain the products.
UR - http://www.scopus.com/inward/record.url?scp=0038054650&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0038054650&partnerID=8YFLogxK
U2 - 10.1023/A:1023246803552
DO - 10.1023/A:1023246803552
M3 - Article
AN - SCOPUS:0038054650
SN - 0022-2461
VL - 38
SP - 1611
EP - 1615
JO - Journal of Materials Science
JF - Journal of Materials Science
IS - 8
ER -