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Analisa Pengujian Instalasi Anaerobic Digestion untuk Pemanfaatan Limbah Cair Tahu menjadi Biogas dengan Penambahan Variasi Kotoran Sapi Purboyo, Prido Dwi; Fahruddin, A’rasy
Innovative Technologica: Methodical Research Journal Vol. 3 No. 2 (2024): June
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/innovative.v3i2.102

Abstract

Penelitian ini bertujuan mengolah limbah cair tahu menjadi biogas melalui instalasi digester anaerobik dengan variasi campuran kotoran sapi (10%, 15%, dan 20%). Metode penelitian melibatkan pembuatan digester dengan variabel bebas, terikat, dan terkontrol. Variasi pH, temperatur, tekanan biogas, dan volume biogas diamati selama 15 hari fermentasi. Hasil menunjukkan pada variasi 10%, pH tertinggi pada hari ke-7 (7), temperatur tertinggi 32oC, dan tekanan biogas mulai muncul hari ke-6 (89,2 cmHg), dengan volume biogas 90 liter. Variasi 15% mencapai pH tertinggi pada hari ke-8 (7,2), temperatur tertinggi 34oC, tekanan biogas mulai hari ke-5 (89,9 cmHg), dan volume biogas 95 liter pada hari ke-15. Variasi 20% mencapai pH tertinggi pada hari ke-8 (7,4), temperatur tertinggi 35oC, tekanan biogas mulai hari ke-5 (90,7 cmHg), dengan volume biogas 100 liter pada hari ke-15. Penelitian ini memberikan wawasan mengenai pengelolaan limbah tahu menjadi biogas dengan variasi campuran, menunjukkan potensi efisiensi dan keberhasilan dalam menghasilkan biogas.
Analysis of Anaerobic Digestion Installation Testing for Tofu Liquid Waste Utilization into Biogas with the Addition of Cow Manure Variations Purboyo, Prido Dwi; Fahruddin, A’rasy
Indonesian Journal of Microbiology Vol. 1 No. 1 (2024): April
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/ijm.v1i1.2472

Abstract

The purpose of this study is to convert tofu wastewater into biogas using an anaerobic digester with varying cow dung mixtures (10%, 15%, and 20%). The study method entails creating digesters including independent, dependent, and controlled variables. Variations in pH, temperature, biogas pressure, and biogas volume were detected throughout the course of a 15-day fermentation. The data show that in the 10% fluctuation, the greatest pH was on day 7 (7), whereas the highest temperature was 32°C on days 6 and 7. Biogas pressure emerged on day 6 (89.2 cmHg), resulting in a volume of 90 liters by day 15. In the 15% variation, the highest pH (7.2) occurred on day 8, with the highest temperature (34°C) on days 9 and 10. Biogas pressure began on day 5 (89.9 cmHg), with a biogas volume of 95 liters on day 15. The 20% variance resulted in the highest pH (7.4) on day 8 and the highest temperature of 35°C from days 9-11. Biogas pressure began on day 5 (90.7 cmHg), resulting in a biogas volume of 100 liters on day 15. This study sheds light on how to manage tofu waste into biogas with varying degrees of effectiveness and efficiency.