The effect of organic residues' co-fermentation on biogas potential of different sized economical units

Abstract

The degradable biomass potential is available in diverse and different combination in the establishing firms' environment in Hungary. In the case of proper preparation the biogas production and utilization operating for energy recovery in all sizes of agricultural enterprises will improve the economy, on the other hand, it is a powerful tool of the waste management. My investigations were running on the pilot farm of the MGK to define the conditions of deconstruction of the wastes of agricultural production on family economical level, the renewable energy options the decomposition of the by-products on micro-regional level. I determined the biogas production potential of biomass with partly measured, partly based on literature data of the 50 dairy cow farm, respectively the sample utilized for pilot farm, and then I completed the same on sub-regional level. On the size of pilot farm the composition of the substrat were expanding of cheese factory wastewater and pig straw manure additives. The large-scale manure production modelling of biogas experiments used liquid pig slurry as raw material. The additives: bran, mushroom compost, maize silage. The industrial by-products and wastes suitable for biogas production are defined by the dry matter, organic matter, nitrogen content, C: N ratio, specific gas yield.