ICCAS OpenIR
Effects of additives on photocatalytic degradation of pigment brilliant red 6B
Zhang, TY; Zhu, DD; Zhang, YL; Cui, XA; Zhao, JC
2004-04-01
Source PublicationCHINESE JOURNAL OF CATALYSIS
ISSN0253-9837
Volume25Issue:4Pages:293-296
AbstractThe effects of additives (NH(4))(2)S(2)O(8), H(2)O, and surfactant sodium dodecyl benzene sulfonate (DBS) on the photocatalytic degradation of pigment brilliant red 6B in the presence of TiO(2) were studied. The pigment brilliant red 6B, TiO(2), additives and deionized water were added into a beaker. After stirred for 0.5 h with a magnetic stirrer in the dark, the mixture was irradiated with a high-pressure Hg lamp (100 W, lambda = 365 nm). The discoloration time of the mixture was used to evaluate the degradation of pigment brilliant red 6B, which was not dissolved completely in water without DBS. The concentration of pigment brilliant red 6B in the presence of DBS was determined with UV-Vis spectrophotometer because of the increased solubility. (NH(4))(2)S(2)O(8) accelerated remarkably the photocatalytic degradation of the water-insoluble pigment brilliant red 6B. The acidic medium was suitable for the degradation of pigment brilliant red 6B in the presence of (NH(4))(2)S(2)O(8). H(2)O(2) also enhanced the degradation rate of pigment brilliant red 6B. The reused numbers of TiO(2) were increased with the addition of H(2)O(2) and with the increase of temperature, and H(2)O(2) could be efficiently utilized. DBS decreased the degradation rate of pigment brilliant red 6B. The degradation of pigment brilliant red 6B in acidic and alkaline conditions was greater than that in neutral condition in the presence of DBS. On the contrary, the degradation rate of DBS was slightly greater in neutral condition. The co-degradation of pigment brilliant red 6B and DBS was measured.
KeywordPigment Brilliant Red 6b Photocatalytic Degradation Titania Ammonium Persulfate Hydrogen Peroxide Sodium Dodecyl Benzene Sulfonate
Indexed BySCI
Language英语
WOS IDWOS:000221271900011
PublisherSCIENCE PRESS
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/81568
Collection中国科学院化学研究所
Corresponding AuthorZhang, TY
Affiliation1.Tianjin Univ, Sch Chem Engn & Technol, Dept Fine Chem & Engn, Tianjin 300072, Peoples R China
2.Chinese Acad Sci, Inst Chem, Ctr Mol Sci, Key Lab Photochem, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Zhang, TY,Zhu, DD,Zhang, YL,et al. Effects of additives on photocatalytic degradation of pigment brilliant red 6B[J]. CHINESE JOURNAL OF CATALYSIS,2004,25(4):293-296.
APA Zhang, TY,Zhu, DD,Zhang, YL,Cui, XA,&Zhao, JC.(2004).Effects of additives on photocatalytic degradation of pigment brilliant red 6B.CHINESE JOURNAL OF CATALYSIS,25(4),293-296.
MLA Zhang, TY,et al."Effects of additives on photocatalytic degradation of pigment brilliant red 6B".CHINESE JOURNAL OF CATALYSIS 25.4(2004):293-296.
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