BIOGAS PRODUCTION FROM CO-DIGESTION OF RICE HUSK, CASSAVA PEEL, ANDPOTATO PEEL IN LAFIA, NASARAWA STATE, NIGERIA

Mohammed Alhaji MOHAMMED; Matthew Olaleke  Aremu; Muhammad Ibrahim  Hamza

doi:10.62050/fjst2026.v10n2.714

المؤلفون

Mohammed Alhaji MOHAMMED
alhajimohammedmohammed05@gmail.com

Federal University of Lafia, Nigeria
Matthew Olaleke Aremu
Federal University of Lafia, Nigeria
Muhammad Ibrahim Hamza
Federal University of Lafia, Nigeria

الكلمات المفتاحية:

Array

الملخص

0.5 kg of agricultural waste samples (cassava peel and rice husk, CP/RH; rice husk and potatoes peel, RH/PP; and potatoes peel and cassava peel, PP/CP) were mixed in a ratio of 1:1 and co-digested in 5 L capacity of fabricated digester. Experiment was carried out for a period of 7 weeks at room temperature and evaluated for mineral content in the undigested and digested waste materials, biogas generation, and proximate compositions. The mineral compositions of the undigested and digested waste samples after Flame Photometry and Atomic Absorption Spectrophotometer (AAS) show that the digested samples contain a higher concentration. The elemental concentrations of the waste samples ranged from 0.5532 mg/g of Sodium in undigested RH to 18.2412 mg/g in the digested sample of CP. The weekly cumulative generation of biogas after 7 weeks at a room temperature range of 29 – 34 °C shows that the PP/CP has the highest yield of 18.81 mL/g VS, followed by the RH/PP 16.79 mL/g VS, and the CP/RH sample 15.40 mL/g VS, respectively. The volume of the biogas generated for CP/RH, RH/PP, and PP/CP samples decreases at week 7 from 2.76 mL/g VS to 2.49 mL/g VS, 2.92 mL/g VS to 2.76 mL/g VS, and 3.44 mL/g VS to 3.23 mL/g VS. The proximate composition of the waste shows that rice husk had the highest percentage of volatile solids (19 %), ash, and crude protein (6.91 %), potatoes peel had highest moisture content (54 %), while RH had the highest C/N ratio of 82:1

السير الشخصية للمؤلفين

Mohammed Alhaji MOHAMMED

Department of Chemistry

Matthew Olaleke Aremu

DEPARTMENT OF CHEMISTRY PROFESSOR OF INDUSTRIAL CHEMISTRY

Muhammad Ibrahim Hamza

DEPARTMENT OF CHEMISTRY

Dimensions

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