Effect of Ni coating on iron electrode for COD removal of textile dye waste water
by Jay B. Trivedi; Paresh H. Rana; Lakha V. Chopda
International Journal of Environment and Waste Management (IJEWM), Vol. 21, No. 2/3, 2018

Abstract: The textile dye-based intermediate industries generate colossal amount of effluent which is a blasphemy to the environment and to the residing areas where it get disposed of without commensurate treatment. These contagious and malefic effluents are peculiarising by high values of COD, BOD, colour, pH and other parameters. In environmental chemistry, chemical oxygen demand (COD) is the quantity of specified oxidant that reacts with sample under controlled conditions. This study focuses on electrochemical treatment, abating COD to much lesser permissible value. The various parameters that affect the process were thoroughly studied. The process was carried out with Ni plated iron/pure iron and pure iron/pure iron cathode and anode combinations with H2O2 addition. The removal efficiency up to 90% was achieved using H2O2, with different plating concentration of nickel over iron plate efficiency reached to 82% and with only iron plates, 55% efficiency achieved.

Online publication date: Thu, 28-Jun-2018

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