COMPARATIVE INVESTIGATIONS ON NANO AND MICRO TITANIA PHOTOCATALYSTS IN DEGRADATION AND MINERALIZATION: USE OF TURBIDITY IN KINETIC STUDIES

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SAYEN J.; SOLEYMANI A.R.

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Journal Paper

Paper Information

Journal: JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS) Year:2009 | Volume:6 | Issue:3 Page(s): 602-611

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Title

COMPARATIVE INVESTIGATIONS ON NANO AND MICRO TITANIA PHOTOCATALYSTS IN DEGRADATION AND MINERALIZATION: USE OF TURBIDITY IN KINETIC STUDIES

Author(s)

SAYEN J. | SOLEYMANI A.R. | Issue Writer Certificate

Keywords

PHOTOCATALYSIS

NANO AND MICRO CATALYSTS

TURBIDITY

KINETICS

WATER PURIFICATION

Abstract

An attempt was made to investigate the potential of two widely used commercial nano and micro TiO2 photo catalysts in degradation and mineralization of a typical azo dye "direct blue 71" in water. A special circulating up-flow reactor with an UV-C- 150 W lamp was employed and the influence of the operational parameters was investigated. The results showed that both the photolysis and photo catalysis cause decomposition simultaneously. Despite a half concentration, the nano TiO2 particles provide a nearly twice efficiency, and for the vital case of mineralization 98% reduction in COD after 120 min irradiation. The influence of TURBIDITY of catalyst particles was determined with a novel method and was taken into account in kinetic studies. It was found that the bulk degradation by the OH radicals has a major role in the PHOTOCATALYSIS process.

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APA: Copy

SAYEN, J., & SOLEYMANI, A.R.. (2009). COMPARATIVE INVESTIGATIONS ON NANO AND MICRO TITANIA PHOTOCATALYSTS IN DEGRADATION AND MINERALIZATION: USE OF TURBIDITY IN KINETIC STUDIES. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS), 6(3), 602-611. SID. https://sid.ir/paper/282334/en

Vancouver: Copy

SAYEN J., SOLEYMANI A.R.. COMPARATIVE INVESTIGATIONS ON NANO AND MICRO TITANIA PHOTOCATALYSTS IN DEGRADATION AND MINERALIZATION: USE OF TURBIDITY IN KINETIC STUDIES. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS)[Internet]. 2009;6(3):602-611. Available from: https://sid.ir/paper/282334/en

IEEE: Copy

J. SAYEN, and A.R. SOLEYMANI, “COMPARATIVE INVESTIGATIONS ON NANO AND MICRO TITANIA PHOTOCATALYSTS IN DEGRADATION AND MINERALIZATION: USE OF TURBIDITY IN KINETIC STUDIES,” JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS), vol. 6, no. 3, pp. 602–611, 2009, [Online]. Available: https://sid.ir/paper/282334/en

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