Abstract
This study focused on the transfer of experimental results of anaerobic digestion of liquid waste from an attieke (steamed cassava semolina) factory to a 6 m3 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 m3 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.
Highlights
Cassava (Manihot esculenta) is the third food product in the tropics after rice and maize (FAO 2008) [1]
This study focused on the transfer of experimental results of anaerobic digestion of liquid waste from an attiéké factory to a 6 m3 pilot digester
This work focused on the transfer of the results of anaerobic digestion of liquid waste of the attiéké factories from the experimental scale to a pilot
Summary
Cassava (Manihot esculenta) is the third food product in the tropics after rice and maize (FAO 2008) [1]. Annual production in Côte d’Ivoire, estimated at 2,450,000 tones, ranks second among food crops after yam (FAO, 2010, 2013) [2]. The ease and control of fresh cassava processing technologies makes it possible to obtain various products such as: gari, tapioca, placali, kokodé, attoupkou, attiéké, etc. (Akoroda, 2007 [3]; Kpata-Konan et al, 2013 [4]).
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