Enhancement of activated sludge disintegration and dewaterability by Fenton process

Heng, G.C. and Isa, M.H. (2016) Enhancement of activated sludge disintegration and dewaterability by Fenton process. In: UNSPECIFIED.

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Abstract

Municipal and industrial wastewater treatment plants produce large amounts of sludge. This excess sludge is an inevitable drawback inherent to the activated sludge process. In this study, the waste activated sludge was obtained from the campus wastewater treatment plant at Universiti Teknologi PETRONAS (UTP), Malaysia. Fenton pretreatment was optimized by using the response surface methodology (RSM) to study the effects of three operating conditions including the dosage of H2O2 (g H2O2/kg TS), the molar ratio of H2O2/Fe2+ and reaction time. The optimum operating variables to achieve MLVSS removal 65, CST reduction 28, sCOD 11000 mg/L and EPS 500 mg/L were: 1000 g H2O2/kg TS, H2O2/Fe2+ molar ratio 70 and reaction time 45 min. Fenton process was proved to be able to enhance the sludge disintegration and dewaterability. © Published under licence by IOP Publishing Ltd.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Additional Information: cited By 6; Conference of 5th International Conference on Chemical and Bioprocess Engineering, ICCBPE 2015 ; Conference Date: 9 December 2015 Through 12 December 2015; Conference Code:123695
Uncontrolled Keywords: Biochemical engineering; Industrial plants; Industrial water treatment; Oxidation; Sewage pumping plants; Toxicity; Waste treatment; Wastewater treatment; Water treatment plants, Activated sludge; Industrial wastewater treatment plants; Operating condition; Operating variables; Response surface methodology; Sludge disintegration; Waste activated sludges; Wastewater treatment plants, Activated sludge process, activated sludge; chemical oxygen demand; chemical process; dewatering; hydrogen peroxide; industrial waste; operations technology; optimization; wastewater; water treatment, Malaysia
Depositing User: Mr Ahmad Suhairi UTP
Date Deposited: 09 Nov 2023 16:18
Last Modified: 09 Nov 2023 16:18
URI: https://khub.utp.edu.my/scholars/id/eprint/6964

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