Removal of COD by electrocoagulation at optimized conditions

Authors(5) :-V.Sridevi, B. Uma Shankar, N. Sai PavanChandrahaasa, M. Naveen Prasad, Hyder Hasan Mohammad

Coal gasification is considered as one of the prominent technologies which helps to reduce energy problems caused by decrease in supplies of natural gas and petroleum. But, waste water that is generated coal gasification contains huge amounts of phenols, cresols, ammonia and other organic compounds. Electrocoagulation technology was used successfully to pre-treat the effluent coal gasifier as an electrolyte for the removal of polluting factors as a result of coagulation and precipitation of suspended solids followed by sedimentation under gravity. COD determines the amount of organic pollutants found in the water making it a useful measure of water quality. The environmental significance of COD is very high. Coagulation process is one of the best ways to treat wastewater and industrial effluents like coal gasifier and can be considered as an efficient treatment method to reduce COD of the effluent. The study and experiments of the project mainly involves treatment of the coal gasifier effluent. The parameters such as pH, Electrolysis time (ET), Voltage are used in order to explore the changes it can account for the removal of COD. The optimum values of pH, Electrolysis time (ET), Voltage are determined as 7.0, 90 min., 10V respectively. These optimum values are finally used to treat the coal gasifier effluent. Analysis of COD is done to find the amount of COD present in the final sample using a standard method.

Authors and Affiliations

V.Sridevi
Department of Chemical Engineering, A. U. College of Engineering, (A), Andhra University, Visakhapatnam, Tamilnadu, India
B. Uma Shankar
Department of Chemical Engineering, A. U. College of Engineering, (A), Andhra University, Visakhapatnam, Tamilnadu, India
N. Sai PavanChandrahaasa
Department of Chemical Engineering, A. U. College of Engineering, (A), Andhra University, Visakhapatnam, Tamilnadu, India
M. Naveen Prasad
Department of Chemical Engineering, A. U. College of Engineering, (A), Andhra University, Visakhapatnam, Tamilnadu, India
Hyder Hasan Mohammad
Department of Chemical Engineering, A. U. College of Engineering, (A), Andhra University, Visakhapatnam, Tamilnadu, India

Coal gasifier Effluent, COD, Electrocoagulation, Copper electrode, Optimization.

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Publication Details

Published in : Volume 2 | Issue 3 | May-June 2016
Date of Publication : 2017-12-31
License:  This work is licensed under a Creative Commons Attribution 4.0 International License.
Page(s) : 193-196
Manuscript Number : IJSRST162335
Publisher : Technoscience Academy

Print ISSN : 2395-6011, Online ISSN : 2395-602X

Cite This Article :

V.Sridevi, B. Uma Shankar, N. Sai PavanChandrahaasa, M. Naveen Prasad, Hyder Hasan Mohammad, " Removal of COD by electrocoagulation at optimized conditions", International Journal of Scientific Research in Science and Technology(IJSRST), Print ISSN : 2395-6011, Online ISSN : 2395-602X, Volume 2, Issue 3, pp.193-196, May-June-2016.
Journal URL : http://ijsrst.com/IJSRST162335

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