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首页> 外文期刊>International Journal of Chemistry and Chemical Engineering >Improving the Quality and Production of Biogas from Swine Manure and Jatropha {Jatropha curcas) Seeds
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Improving the Quality and Production of Biogas from Swine Manure and Jatropha {Jatropha curcas) Seeds

机译：提高猪粪和麻风树{Joatropha Curcas的沼气的质量和生产）种子

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The main purpose of this study is to improve the production and quality of biogas from varying mixture levels of swine manure and ground jatropha seeds. The physico-chemical characteristics, biogas yield, methane yield and total mass removal efficiency was investigated and cost analysis was performed. Fifteen (15) portable biogas bigesters adopted from ITDI was used. Ratio of swine manure and ground jatropha seeds used as substrates in the study were varied and served as the treatments: Tl (1:0), T2 (3:1), T3 (1:1), T4 (1:3), and T5 (0:1). Preparation of the starter and feedstock, and mixing of the slurry were based on the Philippine Agricultural Engineering Standards. Correlation of pH with the biogas yield and temperature of the slurry with biogas yield revealed strong relationship which means biogas production is dependent on the pH and temperature of the slurry. Based from the results obtained, T3 (1:1) obtained the highest biogas yield, methane yield, and total mass removal efficiency with values of 360.40 L, 199.66 L, and 95.77%, respectively. On the other hand, T5 (0:1) obtained the lowest biogas yield and methane yield with values of 84.12 L and 25.20 L, respectively. The addition of feedstock with ground jatropha seeds at optimum amount increases the biogas production and quality. With substrate composition of 1 part swine manure and 1-part ground jatropha seeds at 1:4 dilution ratio, production and quality of biogas can be maximized. Economically, an additional return of P 78.78 can be generated from adding ground jatropha seeds to swine manure.
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