TREATMENT OF TEXTILE WASTEWATER BY ELECTRO-FENTON PROCESS USING IRON AND GRAPHITE ELECTRODE
Author(s):
Parinitha T N, Bhumika M
Keywords:
Abstract
The Electro-Fenton (EF) process is gaining momentum because of its applicability in various ranges of wastewater treatment, especially in the treatment of textile wastewater. The textile wastewater is characterised by heavy COD and colour content that the conventional treatment methods cannot treat satisfactorily and the EF method is seen to be the most efficient amongst the upcoming methods. The process is carried out by varying the pH for each run, along with simultaneously varying the H2O2/Fe2+ dosages. Two different electrodes iron and graphite are used and their efficiencies are compared. At the optimum experimental condition, i.e, with pH as 3 and at 120 minutes, iron electrodes showed the highest COD and colour removal efficiencies of 95% and 100% respectively. The highest COD and colour removal efficiencies were seen to be 95.3% and 99.7% respectively for H2O2 /Fe2+ of optimal conditions, with the provision of iron electrodes itself. The graphite electrode showed COD and colour removal of 84.8% and 97.9% respectively at a pH range of 3 at 120 minutes. Though both the electrodes have given satisfactory results, iron electrodes are considered a better alternative due to its efficiency, cost, ease of availability and maintenance.
Article Details
Unique Paper ID: 150659

Publication Volume & Issue: Volume 7, Issue 8

Page(s): 186 - 190
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