Biogas Production by Anaerobic Digestion of Agricultural Biomass: Factorial Design Analysis

Abstract:

In present times, replacing fossil fuels with renewable ones becomes a problem more and more stringent in the existing society. Related with this topic, biogas production, as one of the potential renewable fuels has an increasing role both at regional and global level in relation to the potential it poses for energetic independence, both for developed and in course of development countries. The present article intends to underline the potential usage of agricultural biomass (namely wheat bran and cereal mix) as renewable source of energy for biogas production. Factorial design of experiments was employed to study the effect of two factors (net calorific value and C/N ratio) on total biogas produced after 65 days of anaerobic digestion. Main effects and interaction effects of these factors were analyzed using statistical techniques. A regression model was obtained to predict the total biogas production and it was found to adequately fit the experimental range studied.

• Periodical: Advanced Engineering Forum (Volumes 8-9)
• Pages: 85-92
• DOI: https://doi.org/10.4028/www.scientific.net/AEF.8-9.85
• Online since: June 2013
• Authors: Adrian Eugen Cioabla, Gabriela Alina Dumitrel, Ioana Ionel
• Keywords: Agricultural Biomass, Anaerobic Fermentation, Biogas, Factorial Design

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