Analisis Waktu Fermentasi Limbah Organik Hewani Untuk Optimasi Biogas Menggunakan Floating Biodigester

Amri, Farhan Destio (2026) Analisis Waktu Fermentasi Limbah Organik Hewani Untuk Optimasi Biogas Menggunakan Floating Biodigester. Sarjana (S1) thesis, Universitas Islam 45.

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Abstract

This study aims to analyze the effect of fermentation duration on biogas
production from cow manure waste using a floating biodigester system with an effective
capacity of 439.4 liters. The research used an experimental method through a 30-day
anaerobic fermentation process without a microbial starter, utilizing 123.1 kg of
substrate with a 1:1 water ratio. The results indicated that biogas production began on
the 23rd day. Optimal production reached its peak between days 26 and 28, achieving
the highest volumetric efficiency of 5.1%. By the end of the 30-day period, the maximum
drum height increase was 3.4 cm, with a total biogas volume of 0.4556 m³ and an average
daily production of 0.0152 m³/day. The resulting gas pressure of 1,643.24 N/m² sustained
a stable blue flame for 34 minutes and 37 seconds, indicating high methane content.
Energy analysis showed a total input of 86.2 MJ and an output of 16.3 MJ, resulting in
an energy conversion efficiency of 0.135%. It is concluded that fermentation duration
significantly influences the quantity and quality of the biogas produced.
Keywords: Biogas, Floating Biodigester, Anaerobic Fermentation, Animal Organic
Waste, Energy Efficiency.

Item Type:	Thesis (TA, Skripsi, Tesis, Disertasi) (Sarjana (S1))
Contributors/Dosen Pembimbing,NIDN Dosen bisa diakses di LINK https://bit.ly/NIDNdosenunismabekasi:	Contribution Contributors / Dosen Pembimbing NIDN UNSPECIFIED Indrayani, Novi Laura 0410118401 UNSPECIFIED Rahmanto, Raden Hengki 0426018204
Keywords / Kata Kunci:	Biogas, Floating Biodigester, Anaerobic Fermentation, Animal Organic Waste, Energy Efficiency.
Subjects:	Konversi Energi
Faculty:	Fakultas Teknik > Teknik Mesin S1
Depositing User:	Mr Farhan Destro Amri
Date Deposited:	05 Mar 2026 09:14
Last Modified:	05 Mar 2026 09:14
URI:	http://repository.umindonesia.ac.id/id/eprint/9604

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