Removal of indoor pollutants under UV irradiation by a composite TiO2-zeolite sheet prepared using a papermaking technique

H. Ichiura; T. Kitaoka; H. Tanaka

doi:10.1016/S0045-6535(02)00604-5

Removal of indoor pollutants under UV irradiation by a composite TiO₂-zeolite sheet prepared using a papermaking technique

H. Ichiura, T. Kitaoka, H. Tanaka

Sustainable Bioresources Science

Research output: Contribution to journal › Article › peer-review

146 Citations (Scopus)

Abstract

Toluene and formaldehyde are malodorous and cause indoor pollution. These materials have received much attention as hazardous and malodorous substances. It is well known that long-term exposure to even fairly low levels of toluene and formaldehyde brings about the risk of asthma and eczema. In this study, a composite TiO₂-zeolite (ZE) sheet prepared using a papermaking technique was applied to remove toluene and formaldehyde under UV irradiation. The optimum composition of the TiO₂ (Ti)-ZE sheet was studied in detail with regard to the effective removal of various indoor pollutants. Gaseous toluene and formaldehyde were removed by a composite TiO₂-ZE sheet with different efficiencies depending upon the ratio of Ti/ZE in the composite sheet. The composite sheets could decompose formaldehyde and toluene repeatedly after being recharged. It was shown that the sheets are potentially applicable as highly functional materials to be placed on walls and ceilings of houses for the removal of various indoor pollutants.

Original language	English
Pages (from-to)	79-83
Number of pages	5
Journal	Chemosphere
Volume	50
Issue number	1
DOIs	https://doi.org/10.1016/S0045-6535(02)00604-5
Publication status	Published - Jan 2003

All Science Journal Classification (ASJC) codes

Environmental Engineering
Environmental Chemistry
Chemistry(all)
Pollution
Health, Toxicology and Mutagenesis

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10.1016/S0045-6535(02)00604-5

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title = "Removal of indoor pollutants under UV irradiation by a composite TiO2-zeolite sheet prepared using a papermaking technique",

abstract = "Toluene and formaldehyde are malodorous and cause indoor pollution. These materials have received much attention as hazardous and malodorous substances. It is well known that long-term exposure to even fairly low levels of toluene and formaldehyde brings about the risk of asthma and eczema. In this study, a composite TiO2-zeolite (ZE) sheet prepared using a papermaking technique was applied to remove toluene and formaldehyde under UV irradiation. The optimum composition of the TiO2 (Ti)-ZE sheet was studied in detail with regard to the effective removal of various indoor pollutants. Gaseous toluene and formaldehyde were removed by a composite TiO2-ZE sheet with different efficiencies depending upon the ratio of Ti/ZE in the composite sheet. The composite sheets could decompose formaldehyde and toluene repeatedly after being recharged. It was shown that the sheets are potentially applicable as highly functional materials to be placed on walls and ceilings of houses for the removal of various indoor pollutants.",

author = "H. Ichiura and T. Kitaoka and H. Tanaka",

note = "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 Sumitomo Foundation, the R&D Foundation for Environmental Protection in Steel Industries, and by a grant-in-aid for scientific research (13558075) from the Ministry of Education, Culture, Sports, Science and Technology, Japan. The authors are indebted to Mitsubishi Heavy Industries Ltd. for providing ZE and ceramic fibers, to Nissan Chemical Co. for the alumina sol and to Ishihara Techno Co., for the TiO 2 . Dr. J. Anthony Bristow kindly made a linguistic revision of the manuscript.",

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N2 - Toluene and formaldehyde are malodorous and cause indoor pollution. These materials have received much attention as hazardous and malodorous substances. It is well known that long-term exposure to even fairly low levels of toluene and formaldehyde brings about the risk of asthma and eczema. In this study, a composite TiO2-zeolite (ZE) sheet prepared using a papermaking technique was applied to remove toluene and formaldehyde under UV irradiation. The optimum composition of the TiO2 (Ti)-ZE sheet was studied in detail with regard to the effective removal of various indoor pollutants. Gaseous toluene and formaldehyde were removed by a composite TiO2-ZE sheet with different efficiencies depending upon the ratio of Ti/ZE in the composite sheet. The composite sheets could decompose formaldehyde and toluene repeatedly after being recharged. It was shown that the sheets are potentially applicable as highly functional materials to be placed on walls and ceilings of houses for the removal of various indoor pollutants.

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Removal of indoor pollutants under UV irradiation by a composite TiO₂-zeolite sheet prepared using a papermaking technique

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