This Week's Departmental Seminar / Bu Haftanın Semineri

The impact of pre-acclimation on Anaerobic Digestion – Microbial Electrolysis Cell (AD-MEC) Integrated Systems

The concept of renewable energy production from organic wastes should be taken into consideration in order to protect the environment from adverse effect of fossil fuels, to provide adequate amount of energy and to manage organic wastes properly. Anaerobic digestion (AD) is a conventional energy recovery system used for many kinds of organic wastes and renewable biomass, which produces biogas composed of nearly 60% methane and 40% carbon dioxide. Biogas produced during AD can be utilized for heating and electrical energy production. Further, bioelectrochemical systems (BES) presents a promising technology, that is based on development of electro-active microorganisms on solid state electrodes and can also be used for energy production from organic wastes. Methane production in BESs can be achieved by development of electroactive methanogenic biofilm on the cathode of microbial electrolysis cells (MECs) with the addition of a small amount of external voltage. In the literature, there are a limited number of studies, which investigates the integration of AD and MEC systems for enhanced biogas production from real wastes. In the limited number of studies that are available, mostly synthetic wastewaters, expensive chemicals, and materials for electrodes have been used. Additionally, in many of these systems electrodes are used without any pre-acclimation. Therefore, to fill the gap in the literature in this study we will investigate the impact of pre-acclimation of electrodes on performance of AD-MEC integrated system in single chamber reactors and compare the results with conventional AD systems. The aim of this thesis is to develop an efficient integrated AD-MEC system for utilization of different wastes for enhanced methane production.

By: Yasin ODABAŞ

Supervisor: Assist. Prof. Dr. Yasemin Dilşad YILMAZEL TOKEL

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Date & Time: April 7th, 2021 at 15:40