Application of a Continuous Bipolar Mode Electrocoagulation (CBME) system for polishing distillery wastewater

Wang, Y and Damaraju, Madhuri and Bhattacharyya, Debraj and Panda, Tarun K and Kurilla, Kiran Kumar (2019) Application of a Continuous Bipolar Mode Electrocoagulation (CBME) system for polishing distillery wastewater. E3S Web of Conferences, 93. 02005. ISSN 2267-1242

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Abstract

A continuous bipolar mode electrocoagulation (CBME) unit was used in this study for polishing a biologically treated distillery wastewater at laboratory scale. This study focuses on optimizing the process for removal of Total Organic Carbon (TOC) from an anaerobically-treated distillery wastewater. Response surface methodology (RSM) was used for optimizing the process. The study was conducted by varying three operating parameters: Initial pH (2-10), reaction time (0.5-15 min), and current density (13-40 A/sqm). High R-square values, above 0.9, were obtained with ANOVA. Optimal point was observed to be at pH-6.04, Reaction time-11.63 min, current density-39.2 A/sqm. Experimental values of TOC removal at optimal point were found to be 73% against maximum predicted value of 79%. Color removal efficiency was observed to be 85% at the optimal points. It can be concluded that CBME system can be a suitable alternative for removal of recalcitrant carbon and color post-biological treatment in distillery wastewaters.

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IITH Creators:
IITH CreatorsORCiD
Bhattacharyya, DebrajUNSPECIFIED
Item Type: Article
Subjects: Civil Engineering
Divisions: Department of Civil Engineering
Depositing User: Team Library
Date Deposited: 22 Apr 2019 11:42
Last Modified: 22 Apr 2019 11:42
URI: http://raiith.iith.ac.in/id/eprint/4993
Publisher URL: http://doi.org/10.1051/e3sconf/20199302005
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