Efficiency Comparison of TiO2-Coated Pine Wood, Bamboo and Coconut Shell Charcoals in Real Textile Wastewater Decolorization

Authors

  • Khanitta Hathaisamit Department of Environmental Science, Faculty of Science and Technology, Bansomdejchaopraya Rajabhat University, Bangkok 10600, Thailand
  • Phitchayapron Adsunjhon Department of Environmental Science, Faculty of Science and Technology, Bansomdejchaopraya Rajabhat University, Bangkok 10600, Thailand
  • Nattapong Janthong Department of Environmental Science, Faculty of Science and Technology, Bansomdejchaopraya Rajabhat University, Bangkok 10600, Thailand
  • Yanisa Tantipalakul Department of Industrial Chemistry, Faculty of Science and Technology, Bansomdejchaopraya Rajabhat University, Bangkok 10600, Thailand

Keywords:

Pine wood, Bamboo, Coconut shell, TiO2, Photocatalysis, Decolorization

Abstract

The photocatalytic decolorization of real textile wastewater using pine wood (PW), bamboo (BB) and coconut shell (CS) charcoals TiO2-coated under UV irradiation were investigated. Biomass charcoals TiO2-coated were synthesized by the sol-gel and dip-coating technique. The structure features of biomass charcoals TiO2-coated were investigated by X-ray diffractometer (XRD) and scanning electron microscopy (SEM). Our finding indicated that XRD data characteristic anatase phase reflections and SEM showed that TiO2 thin films distributed in the pores and cover on biomass charcoals. BB-TiO2 and CS- TiO2 showed high covering films of TiO2 on surface and filled full in the small pores but PW- TiO2 still had many large pores. Decolorization of real textile wastewater using photocatalytic process was measured by Space Unit Method; S.U. with UV-VIS spectrophotometer. The photocatalytic tests indicated that decolorization of biomass-TiO2 were CS-TiO2, BB-TiO2 and PW-TiO2, respectively. Details of the synthesis of biomass charcoals TiO2-coated and results of the characterization and decolorization studies are presented in this paper.

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Published

2017-10-12

How to Cite

Hathaisamit, K., Adsunjhon, P., Janthong, N., & Tantipalakul, Y. (2017). Efficiency Comparison of TiO2-Coated Pine Wood, Bamboo and Coconut Shell Charcoals in Real Textile Wastewater Decolorization. Science & Technology Asia, 22(3), 83–92. Retrieved from https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/102115

Issue

Section

Engineering