(1) Environmental Pollution Department, National Centre of Scientific Research (CNIC), P.O. Box 6990, Havana, Cuba;(2) Institute of Technology, Federal Research Centre of Agriculture (FAL), Bundesalle 50, D-3300 Braunschweig, Germany
Abstract:
Summary It was found that the increase of the hydraulic retention time improved the organic matter removal and the conversion of organic to ammonia nitrogen. Methane concentration in the biogas was not affected by the hydraulic retention time.The reactor in operation during one year was not clogged.