https://scholars.lib.ntu.edu.tw/handle/123456789/77315
標題: | Adsorption of Aqueous 4-Chlorobiphenyl and Treatment with UV-Illuminated Titanium Dioxide | 作者: | Kuo, Chao-Yin Lo, Shang-Lien |
關鍵字: | 4-chlorobiphenyl; Adsorption; Glass; Langmuir first-order reaction; Photocatalytic oxidation; UV/TiO2 process | 公開日期: | 1997 | 卷: | 196 | 期: | 2 | 起(迄)頁: | 199-206 | 來源出版物: | Journal of Colloid and Interface Science | 摘要: | The research of 4-chlorobiphenyl in aqueous solution was conducted in two parts. The first part of the study explored the adsorption of 4-chlorobiphenyl onto glass. When the initial concentration of 4-chlorobiphenyl was below 25 μg/L, the sample concentration became undetectable after 24 h. With respect to 4-chlorobiphenyl adsorbed onto glass, the adsorption rate constant k was 18 μg/h L, the adsorption equilibrium constant K was nearly 10-3 μg/L using the Langmuir first-order reaction model, and the monolayer saturated density, using the BET model, was 1200 μg/m2. In the second half of this study, the photocatalytic oxidation (UV/TiO2) of 4-chlorobiphenyl was investigated using its adsorption characteristics. The UV/TiO2 process decreased the 4-chlorobiphenyl concentration (initial concentration = 500 μg/L) by 77% within 120 min. The ratio between the TiO2 adsorption rate constant and the UV/TiO2 process degradation rate constant was 1/105. |
URI: | http://ntur.lib.ntu.edu.tw//handle/246246/96796 https://www.scopus.com/inward/record.uri?eid=2-s2.0-0031573964&doi=10.1006%2fjcis.1997.5188&partnerID=40&md5=b998824bf89dbc6d7bee1f23cbd6bb72 |
ISSN: | 00219797 | SDG/關鍵字: | 4 chlorobiphenyl; glass; polychlorinated biphenyl; titanium dioxide; unclassified drug; adsorption; aqueous solution; article; contamination; illumination; photoreactivity; priority journal; quality control; study |
顯示於: | 環境工程學研究所 |
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