The Performance of Jatropha Curcas Linn. Capsule Husk as Feedstocks Biogas in One Phase Anaerobic Digestion |
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| Institution: | 1. Faculty of Agrotechnology University of Merdeka, Jl. Serayu, PO. Box 12, Madiun 63131, Indonesia;2. Ma Chung Research Center for Photosynthetic Pigments, Villa Puncak Tidar N-01 Malang 65151, East Java, Indonesia;3. Indonesian Association of Bioenergy Scientist and Technologist. BPPT Building II, 22nd floor Jl. MH. Thamrin No. 8 Jakarta 10340;4. Tech. Implementation Unit for Development of Chemical Engineering Processes – Indonesian Institutes of Sciences, Yogyakarta 55861;5. Mawson Institute and School of Engineering, University of South Australia, Mawson Lakes SA 5095, Adelaide, Australia;6. Department of Agronomy and Horticulture, Bogor Agricultural University, Jl. Meranti, Kampus IPB Dramaga, Bogor 16680, Indonesia;7. Faculty of Engineering, International Islamic University Malaysia (IIUM), Gombak, 50728 Kuala Lumpur, Malaysia.;8. Plant Production and Biotechnology Division, PT SMART Tbk. Sinar Mas Land Plaza, 2nd Tower, 10th Floor. Jakarta 10350, Indonesia |
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| Abstract: | Jatropa curcas Linn. (JcL) capsule husk was not recommended as biogas feedstocks. However for biorefinery purpose, several technologies have been conducting to solve this problem. This research reported quantity and quality comparison of Dry Husk Jcl (DH-JcL) in one phase system of batch digester compare with semi continuous digester. HDPE drum of 80 L working volume used as digester with 40 days hydraulic retention time. Feeding of DH-Jcl and solvent water was mixed on concentration of 1: 8. Research conclusion showed that semi continuous digester was better than batch digester. Biogas quality showed that methane content can reach 66.61% to 83.15% and biogas quantity in semi continuous digester can reach 0.016 m3 · kg–1 DH JcL. The result was not in optimize condition yet because ratio number of volatile fatty acids/ alkalinity showed 0.5, it was indicated unstable anaerobic degradation process of DH-JcL. |
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| Keywords: | Biogas biorefinery capsule husk Jatropha curcas Linn |
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