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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.8
- 수록면
- 529 - 535 (7page)
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초록· 키워드
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The present study investigated the photodegradation of synthetic organic dye; violet-3B, without and with the addition of C-N-codoped TiO₂ catalyst using a visible halogen-lamp as a light source. The catalyst was synthesized by using a peroxo sol-gel method with free-organic solvent. The effects of initial dye concentration, catalyst dosage, and pH solution on the photodegradation of violet-3B were examined. The efficiency of the photodegradation process for violet-3B dye was higher at neutral to less acidic pH. The kinetics reaction rate of photodegradation of violet-3B dye with the addition of C-N-codoped TiO₂ followed pseudo-first order kinetics represented by the Langmuir-Hinshelwood model, and increasing the initial concentration of dyes decreased rate constants of photodegradation. Photodegradation of 5 mg L<SUP>-1</SUP> violet-3B dye achieved 96% color removal within 240 min of irradiation in the presence of C-N-codoped TiO₂ catalyst, and approximately 44% TOC was removed as a result of the mineralization.
목차
ABSTRACT
1. Introduction
2. Experimental Section
3. Results and Discussion
4. Conclusions
References
참고문헌 (37)
참고문헌 신청
Muhammad M, Abher R, Assad F, Munir A, Amin S. Environment friendly finishing of sulphur, vat, direct and reactive dyed cotton fabric. J. Clean. Prod. 2013;53:341-347.
Balan DSL, Monteiro RTR. Decolorization of textile Indigo dye by ligninolytic fungi. J. Biotechnol. 2001;89:141-145.
Eleana K, Kyriakos B, Alexis L, Christos K. The mechanism of azo-dyes adsorption on the titanium dioxide surface and their photocatalytic degradation over samples with various anatase/ rutile ratio. Catal. Today 2014;30:8-16.
Prakash K, Narayana J, Arthoba NY. Degradation of textile dye C.I. Vat Black 27 by electrochemical method by using carbon electrodes. J. Environ. Chem. Eng. 2013;1:975-980.
Santhi P, Moses JJ. Study on different reducing agents for effective vat dyeing on cotton fabric. Indian J. Fibre Text. Res. 2010;35:349-352.
Balan DSL, Monteiro RTR. Decolorization of textile Indigo dye by ligninolytic fungi. J. Biotechnol. 2001;89:141-145.
Eleana K, Kyriakos B, Alexis L, Christos K. The mechanism of azo-dyes adsorption on the titanium dioxide surface and their photocatalytic degradation over samples with various anatase/ rutile ratio. Catal. Today 2014;30:8-16.
Prakash K, Narayana J, Arthoba NY. Degradation of textile dye C.I. Vat Black 27 by electrochemical method by using carbon electrodes. J. Environ. Chem. Eng. 2013;1:975-980.
Santhi P, Moses JJ. Study on different reducing agents for effective vat dyeing on cotton fabric. Indian J. Fibre Text. Res. 2010;35:349-352.
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