Journal of Materials, Processes and Environment
Volume 5, Numéro 1, Pages 71-75
2017-05-03
Study Of Biogas Production From Lagooning Sludge By Anaerobic Digestion
Authors : Mehrez Ikram . Kalloum S. . Khelifi O. .
Abstract
The aim of this study is to produce biogas by anaerobic digestion from lagooning sludge of Adrar city. The sludge used was characterized and the results show that this sludge is rich in organic matter which makes it more suitable for anaerobic digestion. In this study, the evolution of some parameters such as pH, total alkalinity (TA) and the volume of produced biogas, was followed for 55 days. The tests were carried out in a batch digester with a dilution rate of 5% in dry matter (DM) under a mesophilic condition (37 °C). The results obtained show that lagooning sludge with a dilution rate of 5% in DM gave a volume of 961.5 ml in biogas. The results of this study suggest that the lagooning sludge of Adrar city can be advantageously used as a low cost source for biogas production.
Keywords
Biogas, anaerobic digestion, lagooning sludge.
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