Ravanska Alfaresa Ryantara

Telkom University

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Indra Chandra

Telkom University

Amaliyah Rohsari Indah Utami

Institut Teknologi PLN

Erni D. Sumaryatie

Telkom University

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Telkom University

Kanazawa University

University of Bengkulu

National Secretariat - Indonesian Forum for Budget Transparency

Cloud Computing Center

Telkom (South Africa)

Saveetha University

Donaldson (United States)

Institut Teknologi PLN

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ANALISIS PENGARUH TEKANAN INTERNAL DIGESTER ANAEROB PADA PRODUKTIVITAS BIOGAS CAMPURAN KOTORAN SAPI DAN LIMBAH CAIR TAHU

Ravanska Alfaresa Ryantara

Biogas

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Analysis of the effect of internal gas pressure of an anaerobic digester on biogas productivity of a mixture of cow dung and tofu liquid waste

AIP conference proceedings (2021)

Amaliyah Rohsari Indah Utami Ravanska Alfaresa Ryantara Erni D. Sumaryatie Indra Chandra

Biogas is one of alternative energy for tackling the energy crisis the longer fossil-fired on the wane. Besides, biogas can cope with the problem of air pollution, such as methane gas. Pollution from methane gas can be utilized by biogas as fuel. This study discusses a brief analysis of the effect of the internal gas pressure of an anaerobic digester on biogas production. The substrate used in this research as producing biogas is a mixture of cow dung/tofu liquid waste ratio of 2 (v/v). Therefore, the two identical biogases reactor with different treatments were developed, with (controlled) and without (uncontrolled) internal gas pressure treatment. The parameters such as temperature and methane gas amount were evaluated for nine days; moreover, the biogas production was monitored daily using a calibrated methane gas sensor. The uncontrolled biogas reactor produced methane gas lower than the controlled biogas reactor, 92074 ppm versus 254451 ppm, respectively, after nine days of reaction time. The uncontrolled biogas reactor's internal gas pressure was higher than the internal gas pressure of the controlled biogas reactor, 89.29 kPa versus 29.84 kPa, respectively, after nine days reaction time. The retention time of uncontrolled biogas production was longer than the retention time of biogas production of controlled biogas reactor, six days versus five days, respectively. The obtained results can be used to design an efficient anaerobic digester for treating, processing, and effectively utilizing organic waste.

Biogas

10.1063/5.0037446

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