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Water Science & Technology Vol 41 No 10-11 pp 143–148 © IWA Publishing 2000 The removal of acrylonitrile from aqueous solution by Fenton's reagent and membrane filtrationCY Chang*, SH Chen**, JS Chang*** and CC Wang*****
Department of Environmental Engineering and Health,
Chia-Nan College of Pharmacy and Science, Tainan, Taiwan
ABSTRACT The removal of acrylonitrile by Fenton-precipitation and Fenton-microfiltration was investigated in this study. As for Fenton-precipitation, in the range of pH 2 to pH 4, TOC removal efficiency decreased with the increase in pH during the Fenton-precipitation of acrylonitrile. Fenton-microfiltration had a significant improvement on TOC removal at pH 3 and 4 as compared with Fenton-precipitation. The highest removal efficiency of 95% was obtained at pH 3 and the solution pH value had a significant effect on the total permeate quantity and the rate of accumulation. Experimental results led to the conclusion that the oxidation caused by Fenton's reagent was predominant at pH 2. On the contrary, coagulation was most significant at pH 3 and 4. The results indicated the superiority of the Fenton-microfiltration process as compared with Fenton-precipitation process for the removal of acrylonitrile from water. eProduct: Buy this article for £24.00 (IWA MEMBER PRICE: £18.00) All prices include VAT. For customers where VAT should not be applied, the VAT amount will be removed upon payment |
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