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dc.contributor.authorUman, Ahmet
dc.identifier.otherbibid: 9255342
dc.description.abstractAnaerobic digestion is a biological treatment method and a mature technology to recover energy in the form of methane (CH4) from, for example, waste sludge. Due to the positive connection between pre-treatment and improved performance results, several biological, mechanical, thermal, chemical, thermochemical, and physicochemical methods have been applied to enhance the anaerobic digestion of various wastewater streams. In this work, the fenton reaction is used to achieve this purpose. Two continuously stirred anaerobic digesters (CSADs), with an effective volume of 45 L each, were built and were operated in parallel at mesophilic conditions (32°C ± 1) during an operating period of 280 days. The only difference between the two digesters was hydrogen peroxide (H2O2) addition after day 180 to the recirculation line for one of them. Anaerobic settlers were built similar to the CSADs except that mixing and heating were omitted, and these anaerobic settlers were operated at room temperature (25°C ± 1). Each of these two anaerobic settlers was placed in series with one CSAD. The pilot-scale CSADs were operated similarly to a full-scale system at the Ithaca Area Wastewater Treatment Plant (IAWWTP). To mimic the conditions of the reactors at the wastewater treatment facility, the anaerobic digestion systems were maintained at mesophilic conditions (32°C) and were fed real, thickened, and combined primary, waste activated sludge, and tertiary sludge. The results indicated that H2O2 addition did not enhance the biogas production even though an increase in soluble chemical oxygen demand was observed. Total chemical oxygen removal S   efficiencies were 63.75±2.9% and 62.1±3.2% for experimental and control CSADs, achieving a methane yield of 0.280 L CH4.g-1 and 0.279 L CH4.g-1, respectively. Large, but identical, variations in biogas production during the operating period were observed for in both systems. Such large variations could have been responsible for a false claim of H2O2 enhanced biogas production in a non-controlled study.         S
dc.subjectAnaerobic digestion
dc.subjectFenton reaction
dc.titleA Fenton Reaction In The Recirculated Biosolids Line Of An Anaerobic Digestion System
dc.typedissertation or thesis and Biological Engineering University of Science, Agricultural and Biological Engineering
dc.contributor.committeeMemberGossett,James Michael

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