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Published on: May 4, 2016
Improved photocatalytic dye degradation and seed germination through enzyme-coupled titanium oxide nanopowder - A
S Suvathi1, R Rathi2, K Ravichandran1
1PG & Research Department of Physics, AVVM Sri Pushpam College (Autonomous) [Affiliated to Bharathidasan University, Tiruchirappalli], Poondi, Thanjavur, 613 503, Tamil Nadu, India.
Abstract:
Enzyme-coupled titanium oxide nanopowder samples were prepared usingdifferent volumes of vermiwash using a cost-effective soft chemical method and their photocatalytic efficiency was studied against Methylene Blue (MB) dye decomposition. The volume of vermiwash used in the starting solution was varied from 50 to 200 mL in steps of 50 mL and the effect of enzymes prevalent in the vermiwash on the photocatalytic activity of titanium oxide (TiO2) was studied. The resultant water obtained after the photocatalytic dye degradation was found to inherit the enzymes from the nanoproduct. This enzyme-activated treated water showed effective seed germination of black gram (Vigna mungo L.). The results suggested that the enzyme-coupled TiO2 can be used as an effective and eco-friendly material for the treatment of contaminated water and consequently the treated water can also be utilized for enhanced seed germination.
