Istrazivanja i projektovanja za privreduJournal of Applied Engineering Science

EFFECT OF CORN STRAW PRETREATMENT ON EFFICIENCY OF BIOGAS PRODUCTION PROCESS - COMPUTER SIMULATION


DOI: 10.5937/jaes0-26966 
This is an open access article distributed under the CC BY 4.0
Creative Commons License

Anja Antanaskovic*
Institute for Technology of Nuclear and Other Mineral Raw Materials, Belgrade, Serbia

Maja Bulatovic
University of Belgrade, Faculty of Technology and Metallurgy, Department of Biochemical engineering and biotechnology Belgrade, Serbia

Marica Rakin
University of Belgrade, Faculty of Technology and Metallurgy, Department of Biochemical engineering and biotechnology Belgrade, Serbia

Zorica Lopicic
Institute for Technology of Nuclear and Other Mineral Raw Materials, Belgrade, Serbia

Tatjana Sostaric
Institute for Technology of Nuclear and Other Mineral Raw Materials, Belgrade, Serbia

Marko Rakin
University of Belgrade, Faculty of Technology and Metallurgy, Department of Biochemical engineering and biotechnology Belgrade, Serbia

Anaerobic digestion is a natural process of organic material degradation by different kinds of microorganisms in the absence of oxygen. This process is used for industrial purpose to manage waste streams or to produce biogas. It gives a major contribution in reduction of harmful effects of organic waste disposal to the environment. The aim of agricultural waste pretreatment in biogas production is to decrease the retention time, improve utilization of raw material and improve the overall productivity and energy efficiency of the production process. In this paper the effects of combined chemical and mechanical pretreatment of corn straw biomass on biogas yield during anaerobic digestion of the feedstock were analyzed. The impact of pretreatment and process parameters in biogas production was analyzed by process simulation using the software SuperPro Designer. Using this tool, it was shown that alkaline pretreatment leads to an decrease of degradation time along with an increase in biogas yield.

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Authors gratefully acknowledge Goran Mitrovic, B.Sc, Biogas Power Technology, Kikinda and Karolj Damjanov, B.Sc, Ekotehna, Kikinda, for experimental data.

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