Abstract
Indonesia is a developing country endowed by various potential renewable energy resources. Among them is biogas which basically can be produced from the decomposition of biomass by the biochemical processes. Java is the most densely populated island in Indonesia and consumes almost 67% of the national energy supply. This study was carried out under supervised government and founded by IDBP (Indonesia Domestic Biogas Program) for developing sustainable rural renewable energy supply. Many in-ground type of fixed dome biogas reactors have been established in the dairy production field owned by the Cooperative (KPSP) Setia Kawan Nongkojajar, Pasuruan East Java. An individual household of cooperative member was provided by a reactor of 8 m3 of subtract. Every reactor was assembled by financial sharing mechanism between a farmer and a financial body. The main objective of the study is to determine the effectiveness of the bioreactor in biogas production for knowing the consumption and electrification in rural area community. A batched feeding mechanism was applied using a feedstock composed proportionally from cow dung and water. The reactor was optimized in order to produce sufficient biogas production in terms of its quality [methane purity] and quantity [daily volume] to meet the energy requirement in the surrounding rural area. The result shows that the optimum productivity of biogas reached if the value of TS 16.9 kg/m3, HRT in 15 day, bioreactor temperature 23 °C, volume of biogas 3.6 m3, 67.6% CH4 and 29.4% CO2 with 0.8 of bioreactor effectiveness.
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Abbreviations
- BIRU:
-
BiogasRumah
- BSP:
-
Biogas Support Program
- GC:
-
Gas Chromatography
- HRT:
-
Hydraulic Retention Time
- IDBP:
-
Indonesia Domestic Biogas Programme
- KPSP:
-
Koperasi Peternakan Sapi Perah
- LPG:
-
Liquid Petroleum Gas
- SNV:
-
Stichting Nederlandse Vrijwilligers
- Vs:
-
Specific yield (volumetric capacity of methane gas production, m3/day/m3 reactor)
- Bo:
-
The highest methane production in capacity, in m3 methane produced/kg volatile solid (VS) added
- So:
-
Volatile solid (VS) concentration on the input material, [kg/m3]
- HRT:
-
Hydraulic retention time, day
- Eff (t):
-
Effectiveness, []
- V reactor :
-
Reactor volume [m3]
- \( P_{{{\text{CH}}_{4} }} \) :
-
Methane content [%]
- P max :
-
Maximum methane content [%]
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Acknowledgments
Many researches in the field of biogas are still being conducted in effort to co-develop the scientific and correct deficiencies that may occur during the deal of biogas production. One of them is the development of biogas purification tools to prevent rust on gas appliances. Carbon dioxide which occupies the second content in level under methane caused the deposition of gas stove or carbon crust on the gas pipeline which can lead damage of gas stoves and lamps. In addition, we need a device to keep the volume of excess biogas at the time of the reactor volume in maximum level, as well as converter-power storage unit in order to be implemented for electronic equipment. It is necessary for the support of all studies about biogas development from academia, technician, stakeholder, and all of parts of country for social welfare.
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Sa’diyah, A., Klingenberg, K., Hantoro, R. (2017). An Analysis of Biogas Productivity with Fixed Dome Type for Supporting Household-Base Energy in Nongkojajar, East Java-Indonesia. In: Taufik, T., et al. ICoSI 2014. Springer, Singapore. https://doi.org/10.1007/978-981-287-661-4_32
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DOI: https://doi.org/10.1007/978-981-287-661-4_32
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