Photocatalytic decoloration of Coomassie Brilliant Blue with titanium oxide

被引：49

作者：

Bukallah, Saeed B. ^{[1
]}

Rauf, M. A. ^{[1
]}

Ashraf, S. Salman ^{[1
]}

机构：

[1] United Arab Emirates Univ, Dept Chem, Al Ain, U Arab Emirates

来源：

DYES AND PIGMENTS | 2007年 / 72卷 / 03期

关键词：

photocatalysis; titanium oxide; Coomassie Blue;

D O I：

10.1016/j.dyepig.2005.09.016

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Coomassie Brilliant Blue dye was subjected to UV radiation in the presence of titanium oxide. The change in the color of the dye was monitored spectrophotometrically. The apparent rate of decolorization was calculated from the observed data and was found to fit the first order equation. The added amounts of Zn2+ ions caused a decrease in dye decoloration. A plausible explanation involving the radical initiated reaction is forwarded. Langmuir-Hinshelwood model was also used to describe the photocatalytic kinetics of the dye. (c) 2005 Elsevier Ltd. All rights reserved.

引用

页码：353 / 356

页数：4

共 17 条

[1]

Boeningo M., 1994, DNHS NIOSH PUBLICATI

[2]

Ince N. H., 1997, J ADV OXID TECHNOL, V2, P442, DOI [10.1515/jaots-1997-0312, DOI 10.1515/JAOTS-1997-0312]

[3] HETEROGENEOUS PHOTOCATALYTIC DECOMPOSITION OF BENZOIC-ACID AND ADIPIC ACID ON PLATINIZED TIO2 POWDER - THE PHOTO-KOLBE DECARBOXYLATIVE ROUTE TO THE BREAKDOWN OF THE BENZENE-RING AND TO THE PRODUCTION OF BUTANE [J].

IZUMI, I ;

FAN, FRF ;

BARD, AJ .

JOURNAL OF PHYSICAL CHEMISTRY, 1981, 85 (03) :218-223

[4] The role of singlet molecular oxygen in the photodegradation of 1-arylazo-2-naphthols in methanol and on cotton [J].

Jansen, LMG ;

Wilkes, IP ;

Wilkinson, F ;

Worrall, DR .

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, 1999, 125 (1-3) :99-106

[5] Continuous treatment of textile wastewater by combined coagulation, electrochemical oxidation and activated sludge [J].

Lin, SH ;

Peng, CF .

WATER RESEARCH, 1996, 30 (03) :587-592

[6]

MATHEWS RW, 1992, J PHOTOCH PHOTOBIO A, V64, P231

[7] Fate of nitrogen atoms in the photocatalytic degradation of industrial (congo red) and alimentary amaranth) azo dyes. Evidence for mineralization into gaseous dinitrogen [J].

Puzenat, E ;

Lachheb, H ;

Karkmaz, M ;

Houas, A ;

Guillard, C ;

Herrmann, JM .

INTERNATIONAL JOURNAL OF PHOTOENERGY, 2003, 5 (02) :51-58

[8] Photolytic oxidation of Coomassie Brilliant Blue with H2O2 [J].

Rauf, MA ;

Ashraf, S ;

Alhadrami, SN .

DYES AND PIGMENTS, 2005, 66 (03) :197-200

[9]

Reife A., 1995, ENV CHEM DYES PIGMEN

[10] TiO2-mediated photocatalytic degradation of a triphenylmethane dye (gentian violet), in aqueous suspensions [J].

Saquib, M ;

Muneer, M .

DYES AND PIGMENTS, 2003, 56 (01) :37-49

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