Assesment of Kinetic Parameters for Thermophilic Anaerobic Contact Reactor Treating Food-Processing Wastewater

Document Type : Original Research Paper

Authors

Department of Environmental Engineering, Gebze Institute of Technology, Gebze, 41400, Kocaeli, Turkey

Abstract

A thermophilic anaerobic contact reactor for the treatment of potato-processing wastewaters
was designed as a continuous-flow, completely-mixed homogeneous system. The reactor was operated at ten different organic loading rates ranging from 0.84 g COD/L·d to 7.00 g COD/L·d for a duration of approximately 250 days. The fundamental way to maintain optimum operating conditions of anaerobic digestion systems is to have a well acquaintance with the dynamic behaviours of the process. For this purpose, different types of kinetic models were used in this study, namely the substrate balance, the maximum / specific substrate utilization rate and the methane production rate models. The experimental data obtained indicated that the models used were all applicable for the description of bio-kinetic behaviour of the thermophilic anaerobic contact reactor.

Keywords

International Journal of Environmental Research
Volume 7, Issue 2 - Serial Number 2
April 2013
Pages 293-302

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