화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.41, 105-113, September, 2016
DOI10.1016/j.jiec.2016.07.016  Export Citation
Development of ZnS/SnS/A-FA nanorods at ambient temperature: Binary catalyst for the removal of congo red dye and pathogenic bacteria from wastewater
Kalyanaraman Kalpana, and Vaithilingam Selvaraj†
  • Nanotech Research Lab, Department of Chemistry, University College of Engineering Villupuram (A Constituent College of Anna University, Chennai), Kakuppam, Villupuram, 605 103 Tamil Nadu, India
E-mail:
The present work is emphasized to develop novel ZnS/SnS/A-FA nanorods by using A-FA, ZnNO3·6H2O, SnCl2·2H2O and Na2S as precursor materials at ambient temperature. UV-vis DRS, PL, FE-SEM, EDX and TEM techniques were employed to confirm the formation of ZnS/SnS/A-FA nanorods. Photocatalytic activity of the ZnS/SnS/A-FA catalyst was checked under UV light using congo red dye as a model pollutant for waste water treatment applications. The results indicate that the fly ash incorporated ZnS/SnS have the capability to degrade the congo red dye within 150 min using 10 mg of the photocatalyst. The reuse property of ZnS/SnS/A-FA catalyst was appraised and was found to be quite stable during photocatalytic experiments. The pioneer antibacterial properties of ZnS/SnS/A-FA nanostructures were studied against gram-positive (Staphylococcus aureus) and gram-negative bacteria (Escherichia coli), which shows a significant antibacterial activity compared to ZnS/A-FA. ZnS/SnS/A-FA was proved as a potential material toward the wastewater treatment for the removal of dye molecules and pathogenic bacteria.
Keywords:Nanorods;Ultraviolet;Congo red;Photodegradation;ZnS/SnS/A-FA composite
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