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Waste Water Treatment in Direct Borohydride Fuel Cell with Bipolar Membrane

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ABSTRACT
It was established that application of bipolar membrane in a direct borohydride fuel cell (DBFC) with <span "="">H2O2<span "="">co-generation enabled to keep constant pH in catholyte within 2.5 - 3.2 limits, which allowed us to carry out treatment of water polluted by organic compounds in fuel cell catholyte. Treatment of water was carried out by electro-Fenton and photo-electro-Fenton methods. With the view of efficiency, photo-electro-Fenton method of treatment was the most efficient, which enabled to decrease COD of catholytes containing (in each case) phenol, valsaren, 400 g/L dymethoate (BI-58) and valsaciper from 500 ppm to 30, 11, 9 and 3 ppm, respectively after 180 min treatment. By increasing the catholyte temperature from 20℃<span "=""> to<span "=""> 40℃<span "=""> in the same period, phenol<span "=""> COD fell to 5 ppm.
Cite this paper
Nikoleishvili, P. , Tsurtsumia, G. , Kveselava, V. , Gorelishvili, G. , Kurtanidze, R. , Koiava, N. , Kakhniashvili, I. and Sharabidze, D. (2015) Waste Water Treatment in Direct Borohydride Fuel Cell with Bipolar Membrane. Open Journal of Ecology, 5, 22-32. doi: 10.4236/oje.2015.52003.
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