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Anaerobic Digestion of Liquid Waste from an Attiéké Factory: From the Experimental Scale to the Semi-Industrial Scale
Department of Agroforestry, University Jean Lorougnon Guédé, Daloa, Côte d’Ivoire
Department of Environment, University Jean Lorougnon Guédé, Daloa, Côte d’Ivoire
Department of Environment, University Jean Lorougnon Guédé, Daloa, Côte d’Ivoire
IMT-Atlantique, GEPEA UMR CNRS 6144, Nantes, France
Department of Environment, University Jean Lorougnon Guédé, Daloa, Côte d’Ivoire
Department of Science and Environmental Management, Université Nangui Abrogoua, Abidjan, Côte d’Ivoire
Laboratory of Biology and Molecular Typing in Microbiology, LBTMM, UAC, Abomey-Calavi, Benin
- 1 Department of Agroforestry, University Jean Lorougnon Guédé, Daloa, Côte d’Ivoire
- 2 Department of Environment, University Jean Lorougnon Guédé, Daloa, Côte d’Ivoire
- 3 Department of Environment, University Jean Lorougnon Guédé, Daloa, Côte d’Ivoire
- 4 IMT-Atlantique, GEPEA UMR CNRS 6144, Nantes, France
- 5 Department of Environment, University Jean Lorougnon Guédé, Daloa, Côte d’Ivoire
- 6 Department of Science and Environmental Management, Université Nangui Abrogoua, Abidjan, Côte d’Ivoire
- 7 Laboratory of Biology and Molecular Typing in Microbiology, LBTMM, UAC, Abomey-Calavi, Benin
Journal of Environmental Protection·Volume 11 (2020)·Pages 531–539·Published 15 July 2020·DOI10.4236/jep.2020.117031
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Abstract
This study focused on the transfer of experimental results of anaerobic digestion of liquid waste from an attiéké (steamed cassava semolina) factory to a 6 m 3 pilot digester. The experimental digester and the pilot were powered as follows: Lw + U + C (liquid waste + urine + cow dung). To the results, the experimental digester mesophilic with a progressive elimination of COD. Also, the nitrogen concentrations in the experimental reactor had little removal with alkaline pH. As for the biogas product in this digester, a volume of 3.6 m 3 was obtained with a positive flammability test. The transition from the laboratory scale to the semi-industrial scale retains the results of purification and fuel biogas production of the experimental digester.
KeywordsAnaerobic DigestionCassava Liquid WasteBiogas
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