TREATMENT OF REACTIVE DYES IN AQUEOUS SOLUTION BY TIO2-PHOTOCATALYTIC DEGRADATION PROCESS

Authors

  • Kamonwan Limkhajonkiat Department of Environmental Science, Faculty of Environment, Kasetsart University
  • Kanita Tangkananurak Faculty of Environment, Kasetsart University

Keywords:

Photocatalytic degradation, TiO2, H2O2, Reactive dye

Abstract

 

         This research determine the efficiency of 3 reactive dyes (Red SBN, Blue G and Yellow RN) treatment by using photocatalytic degradation process. TiO2 thin film was prepared by the sol-gel method and coated on the surface of stainless steel sheet size 6.0×2.0×0.1 cm. The optimum condition for the 10 mg/L of each reactive dye solution were pH3, 6mM H2O2 and agitation 150 rpm at 180 min with UV black light lamp irradiation. The removal efficiency of Red SBN, Blue G and Yellow RN were 54.40%, 64.07% and 41.66% respectively. In addition, when reaction time was increased until 10 hr, 100% of removal efficiency of 3 reactive dyes were achieved. Furthermore, the mixed 3 reactive dyes solution was treated under the optimum condition, the color value of the treated solution was 212 ADMI that was lower than the industrial wastewater standard value (300 ADMI) Therefore, the TiO2 photocatalytic degradation process coupled with H2O2 had enough potential to treatment these 3 reactive dyes.

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Published

2021-06-30

How to Cite

Limkhajonkiat, K. ., & Tangkananurak, K. . (2021). TREATMENT OF REACTIVE DYES IN AQUEOUS SOLUTION BY TIO2-PHOTOCATALYTIC DEGRADATION PROCESS. Srinakharinwirot University Journal of Sciences and Technology, 13(25, January-June), 1–12. Retrieved from https://ph02.tci-thaijo.org/index.php/swujournal/article/view/246628

Issue

Vol. 13 No. 25, January-June (2021): Srinakharinwirot University (Journal of Science and Technology)

Section

บทความวิจัย

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