Performance of a bench-scale annular-type packed-bed photocatalytic reactor for decomposition of indigo carmine dissolved in water
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- 資料種別
- 記事
- 著者・編者
- Yoshinori HamaMasakazu ItamochiToshihide Horikawa 他
- タイトル（掲載誌）
- Journal of chemical engineering of Japan
- 巻号年月日等（掲載誌）
- 42(4-7) 2009.7
- 掲載巻
- 42
- 掲載号
- 4-7
- 掲載ページ
- 502～507
- 掲載年月日（W3CDTF）
- 2009-07
- ISSN（掲載誌）
- 0021-9592
- ISSN-L（掲載誌）
- 0021-9592
- 出版事項（掲載誌）
- Tokyo : Society of Chemical Engineers
- 出版地（国名コード）
- JP
- 本文の言語コード
- eng
- NDLC
- 対象利用者
- 一般
- 所蔵機関
- 国立国会図書館
- 請求記号
- Z53-R395
- 連携機関・データベース
- 国立国会図書館 : 国立国会図書館雑誌記事索引
- 書誌ID（NDLBibID）
- 10285386
- 整理区分コード
- 632
- 要約等
- A bench-scale annular-type packed-bed photocatalytic reactor with TiO<SUB>2</SUB>-coated glass beads as the photocatalyst was designed; the performance of the reactor was evaluated by using it for the photocatalytic decomposition of indigo carmine (IC) dissolved in water. The reactor was operated in a recirculation batch mode, and the dye solution in the reservoir was recirculated through the photocatalyst bed in the annular space of the reactor. The concentration of the dye in the reservoir decreased gradually with an increase in the operation time. The time course of the change in the IC concentration was calculated numerically by assuming first-order kinetics, and the overall rate constant of photocatalytic decomposition was determined by fitting the calculated time course to the experimental value obtained for various treatment times. The overall decomposition rate constants decreased with an increase in the initial concentration of the IC solution. The rate-controlling step in the photocatalytic decomposition was the mass transfer of IC from the bulk of the solution to the catalyst surface when the flow rate was less than 1 dm<SUP>3</SUP>/min; however, when the flow rate exceeded the transition flow rate, the reaction occurring at the catalyst surface was the rate-controlling step.
- DOI
- 10.1252/jcej.08we289
- オンライン閲覧公開範囲
- インターネット公開
- 連携機関・データベース
- 科学技術振興機構 : J-STAGE
- 要約等
- A bench-scale annular-type packed-bed photocatalytic reactor with TiO<SUB>2</SUB>-coated glass beads as the photocatalyst was designed; the performance of the reactor was evaluated by using it for the photocatalytic decomposition of indigo carmine (IC) dissolved in water. The reactor was operated in a recirculation batch mode, and the dye solution in the reservoir was recirculated through the photocatalyst bed in the annular space of the reactor. The concentration of the dye in the reservoir decreased gradually with an increase in the operation time. The time course of the change in the IC concentration was calculated numerically by assuming first-order kinetics, and the overall rate constant of photocatalytic decomposition was determined by fitting the calculated time course to the experimental value obtained for various treatment times. The overall decomposition rate constants decreased with an increase in the initial concentration of the IC solution. The rate-controlling step in the photocatalytic decomposition was the mass transfer of IC from the bulk of the solution to the catalyst surface when the flow rate was less than 1 dm<SUP>3</SUP>/min; however, when the flow rate exceeded the transition flow rate, the reaction occurring at the catalyst surface was the rate-controlling step.
- DOI
- 10.1252/jcej.08we289
- オンライン閲覧公開範囲
- インターネット公開
- 関連情報（URI）
- 参照
- Scaling-up from first principles of a photocatalytic reactor for air pollution remediationPhotocatalytic treatment of water containing dinitrophenol and city water over TiO2/SiO2The mathematical modeling of batch recirculation reactors for kinetics studiesPhotocatalytic oxidation of 2,4,6-trichlorophenol in water using a cocurrent downflow contactor reactor (CDCR)Performance of immobilized photocatalytic reactors in continuous modePhotocatalytic oxidation of multicomponent systems of herbicides: Scale-up of laboratory kinetics rate data to plant scaleTitanium dioxide photocatalysisEffect of mass transfer and catalyst layer thickness on photocatalytic reactionDesign, modelling and experimentation of a new large-scale photocatalytic reactor for water treatmentScaling-up of slurry reactors for the photocatalytic degradation of 4-chlorophenolPreliminary analysis of a tellerette packed-bed photocatalytic reactorHeterogeneous water phase catalysis as an environmental application: a reviewEvaluation of two solar pilot scale fixed-bed photocatalytic reactorsA study of photocatalytic degradation of trichloroethylene in vapor phase on TiO2 photocatalystPhotocatalytic oxidation for indoor air purification: a literature reviewPhotocatalysis in water environments using artificial and solar lightEnvironmental Applications of Semiconductor PhotocatalysisTiO2-assisted photocatalytic degradation of azo dyes in aqueous solution: kinetic and mechanistic investigationsKinetics and mechanism of the heterogeneous catalyzed oxidative degradation of indigo carmineComparison of the efficiency of immobilized and suspended systems in photocatalytic degradationDecolourization of textile industry wastewater by the photocatalytic degradation processExperimental comparison of three reactor designs for photocatalytic water purificationPhotocatalytic Degradation of Dyes in Water: Case Study of Indigo and of Indigo Carmine
- 連携機関・データベース
- 国立情報学研究所 : CiNii Research
- 提供元機関・データベース
- Japan Link Center雑誌記事索引データベースCrossrefCiNii Articles
- 書誌ID（NDLBibID）
- 10285386
- NII論文ID
- 10025306657