Temperatura do substrato da biodigestão anaeróbia de dejetos de suínos.

Abstract

The anaerobic biodigestion is a microbiologic process of multiple phases, through which organic residues, in absence of oxygen, can be biologically converted into methane and other products. Among the several factors that affect this process temperature is the most important one. With the objective of measure the temperature of the substratum of the anaerobic digestion conditioned to room temperature in Viçosa-MG, an Indian type of biodigester was used with useful capacity of 2,25 m3. It was loaded with solid dejections, with approximate average of 6% of total solids in the income dejet, for 30 days, on the period of February 05 to March 05, 2004. With base in the results can be concluded that the biodigestor is able to maintain the temperature of the substratum stable, however below the ideal temperature of mesphilic range.