Methane production by anaerobic digestion of animal manures |
| |
Authors: | J M Scharer M Moo-Young M Fujita |
| |
Institution: | (1) Biochemical Engineering Group, Dept. of Chemical Engineering, University of Waterloo, Waterloo, Ontario, Canada |
| |
Abstract: | Anaerobic digestion of swine manure was performed at mesophilic and thermophilic temperatures. In addition, the possibility of enhancement of biogas production by the co-digestion of manures with cellulosic waste residues (e.g., corn stover), was investigated. In the latter studies, the effect of particle size on the gasification efficiency was assessed.Methane productivity, G(m3 methane/m3 slurry volume.day), in the digesters operating at a stationary state could be correlated with the volatile solids loading, L (kg/m3.day), Retention time, (days), and pH as follows: G = L/(1 + 10pK-pH) + k /(1 + k )] where is dependent primarily on the nature of the utilizable carbohydrate fraction. The constant, , is found to be a function of the organic nitrogenous fraction of the manure. The constants pK and k (days-1) are dependent on the temperature only. |
| |
Keywords: | |
本文献已被 SpringerLink 等数据库收录! |
|