Effect of Hyphomicrobium sp. in Biogas Formation from Organic Waste Treated by Batch Mode Anaerobic Digestion DOI: 10.32526/ennrj.18.3.2020.24

Main Article Content

Etih Hartati
Nurul Aiman Musodiqoh
Elin Nurlina
Didin Agustian Permadi

Abstract

Huge consumption of fossil fuel energy creates environmental problems, while the amount of organic solid waste is in an increasing trend especially in developing countries. Biogas is known as a renewable energy that can be used as an alternative fuel which is promising to reduce dependency on fossil fuels. This study identified the concentration of methane gas that can be produced from organic waste treated in an anaerobic digestion with the addition of Hyphomicrobium sp. Two-stage batch anaerobic digestion was used with an operational volume of 6 L. Four different starting concentrations of bacteria Hyphomicrobium sp. added to the reactors: 0.29 × 109 cells/L in reactor A,    0.87 × 109 cells/L in reactor B, 1.75 × 109 cells/L in reactor C, and no Hyphomicrobium sp. in the control reactor.  The results showed that the concentration of methane gas produced was 38.4% in the reactor A while in reactor B and C were 35.6% and 33%, respectively. In reactor K with no addition of bacteria, the amount of methane produced was 52%. In contrary to the hypothesis, the addition of Hyphomicrobium sp. to the anaerobic process was contra-productive to the yield of methane. Further research is required to investigate the role of Hyphomicrobium sp. on the methane gas formation in the reactor.

Article Details

How to Cite
Hartati, E. ., Aiman Musodiqoh, N. ., Nurlina, E. ., & Agustian Permadi, D. . (2020). Effect of Hyphomicrobium sp. in Biogas Formation from Organic Waste Treated by Batch Mode Anaerobic Digestion: DOI: 10.32526/ennrj.18.3.2020.24. Environment and Natural Resources Journal, 18(3), 257–267. Retrieved from https://ph02.tci-thaijo.org/index.php/ennrj/article/view/240473
Section
Original Research Articles

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