Anaerobic Digestion of Parthenium Weed with Goat Manure to Generate Biogas Energy
International Journal of Energy and Power Engineering
Volume 9, Issue 3, May 2020, Pages: 35-40
Received: Jun. 3, 2020;
Accepted: Jun. 19, 2020;
Published: Jul. 30, 2020
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Getu Hailu, Department of Biotechnology, College of Natural and Computational Sciences, Wolkite University, Wolkite, Ethiopia
Meseret Chimdessa, Departement of Biology, College of Natural and Computational Science, Haramaya University, Haramaya, Ethiopia
The aim of this study was to obtain the optimal Mix ratio for biogas production from anaerobic digestion of Parthenium weed and goat manure. The experiment was batch operated and daily gas yield from the plant was monitored for 30 days. The Parameters studied were total solids (TS) and volatile solids (VS), fixed solids, organic carbon, and moisture content. For the experimental design, different mix ratios were adopted for the five digesters employed. In this case, for the first digester, 100% goat manure was used. For the 2nd digester 75%GM and 25% PW were used. The 3rd digester was filled with GM and PW in 1:1 ratio. The 4th digester contained 25%GM and 75% PW. the last digester contained only PW. The gas production rate was measured on daily basis using water displacement method. Gas production was noticed in all of the substrates types from the second and third day of digestion and went to zero at about 28 days in all digesters. The experimental data shows a greatest gas output of 572.5ml of gas production in the mix ratio of 75%GM and 25% PW, suggesting this mix ratio of the two substrates is an optimal mix to yield the highest biogas production. All measured TS, VS, PH, organic carbon and moisture content were significantly varied between before and after AD. Overall results indicates that the biogas yield and VS and TS reduction can be significantly enhanced when GM and PW are co digested.
Anaerobic Digestion of Parthenium Weed with Goat Manure to Generate Biogas Energy, International Journal of Energy and Power Engineering.
Vol. 9, No. 3,
2020, pp. 35-40.
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