Environmental Science
8 years ago

Electrochemical Treatment Boosts Biodegradability of Distillery Wastewater by 375%

Journal of environmental research and development/Journal of Environment Research and Development
Improvement of Bod5/Cod Ratio Inpre-Treated Distillery Waste Water by Electrochemical Treatment Method
B. M. Krishna, Usha N. Murthy, B. Maneesh Kumar, K. S. Lokesh, B. Savitha

Paper Summary

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The researchers used an electrochemical method to treat distillery wastewater with low biodegradability. By adjusting pH, electrolysis duration, and current density, they achieved a 72% reduction in COD. The BOD5/COD ratio improved from 0.145 to 0.686 after 120 minutes of treatment, making the wastewater more biodegradable. The TOC reduction was 8.77% after 180 minutes. The maximum anodic efficiency was 21.58 kg COD h-1A-1m-2, and the minimum energy consumption was 84.16 wh kg-1 COD. The reaction rate decreased with higher pH and increased with higher current density.