Evaluation of the effect of initial solid matter concentration and season on anaerobic biodegradation of municipal solid wastes

Year 2018, Volume: 22 Issue: 5, 1409 - 1417, 01.10.2018

Tugba Keskin , Yasemin Ersoy Nuri Azbar

https://doi.org/10.16984/saufenbilder.316221

Abstract

The necessity for reduction of fossil fuel
consumption and the increasing energy costs drives the interest in development
of alternative renewable energies during past years. OFMSW (Organic Fraction of
Municipal Solid Wastes)  is a valuable
source, while it can be converted to biogas via anaerobic digestion. In this
study The anaerobic digestibility and
methane generation potential of the organic fraction of municipal solid wastes
(OFMSW) sampled during three seasons (autumn, winter and summer) of a year were
determined using batch bioreactors with varying initial dry solid matter ratios
(DM:5-35 %). Batch  experiments
were carried out both with and without anaerobic inoculum.  On the basis of the laboratory results,
biogas production potentials were determined to be in the range of  229 - 484 m³/tonDM for
experiment using anaerobic inoculum and 84 – 176 m³ /ton DM for
experiments without inoculum. The best organic matter combination belongs to
autumn season and the best concentration was observed as 20% DM.

Keywords

Biochemical Methane Production, Biogas, Anaerobic Digestion, Organic Fraction of Municipal Solid Wastes

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