Treatment of brewery wastewater using electro-Fenton and granulated activated carbon

OGBIYE, A.S. and Omole, D. O. and Ade-Balogun, K.D. and Onakunle, O. and Elemile, Olugbenga O. (2018) Treatment of brewery wastewater using electro-Fenton and granulated activated carbon. Cogent Engineering, 5 (1).

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Improvement of electro-Fenton (EF) process with granulated activated carbon (GAC) for the treatment of brewery effluent obtained from Ota, South-West Nigeria was investigated. The GAC was obtained by crushing, carbonising, sieving, and activating cow bones. Duplicate samples of the raw effluent and 10 treated brewery effluent samples were analysed for conductivity, turbidity, total dissolved solids (TDS), chemical oxygen demand (COD), copper, manganese, cadmium, lead, and zinc. The average readings were taken as final values. Results showed that the combined use of EF and GAC treatment of the effluent yielded better result than use of EF alone. The removal efficiency was 1181, 50, 565, 4375, 160, and 840% for turbidity, COD, copper, cadmium, lead, and zinc respectively. EF and GAC treatment were, however, found to be inefficient for the treatment of conductivity, TDS, and manganese. It was also found that pH had a direct impact on the treatment media. Turbidity and cadmium, which had the highest removal rates were achieved at pH 2, while COD, copper, and zinc had optimum treatment at pH 6. It was concluded that the combined advantage of electrolytic separation from EF and adsorption from GAC yielded better treatment result for the brewery effluent samples. Subjects: Environmental Management; Environment & Resources; Environment & Society; Environment & Health; Conservation - Environment Studies; Research Methods in Environmental Studies; Chemistry; Materials Science Keywords: wastewater; treatment; electro-Fenton; granulated activated carbon; water quality; physico-chemical parameters

Item Type: Article
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Date Deposited: 15 Oct 2019 13:24
Last Modified: 15 Oct 2019 13:24

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