Inhibition of toxic effects of chlorophenols on the growth of Chlorella vulgaris by modified TiO2 photocatalyst

Summary: A new TiO2 photocatalyst modified with thiophene oligomers (TiO2-PT) was prepared and tested on the growth inhibition of the green alga Chlorella vulgaris. Furthermore, the influence of TiO2-PT on pentachloro­phenol toxicity and its effect on growth of green microalga Chlorella vulgaris was investigated. TiO2 and modified TiO2-PT pho-tocatalyst, both irradiated with visible light (ë >400 nm), inhibited the algal growth. The combination of TiO2-PT with pentachlorophenol reduced the inhibitory effect of pen-tachlorophenol on algal growth by photocatalytic decomposition of pentachlorophenol to less toxic products. 
   
Author(s): Peter Sevcik*;Gabriel Cik;Frantisek Sersen 
 
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