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International Journal of Civil, Mechanical and Energy Science

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Anaerobic Co-Digestion of Cassava Waste Water and Abdominal Cow Dung under Changing Meteorological Parameters( Vol-5,Issue-2,March 2019 )

Author(s):

Cordelia Nnennaya Mama, Jonah Chukwuemeka Agunwamba

Keywords:

Cassava Wastewater, Abdominal Cow Dung, Ambient Temperature, Daily Biogas Production, Cumulative Biogas Production, Meteorological Parameters.

Abstract:

Anaerobic co-digestion of cassava waste water (CWW) and abdominal cow dung (ACD)in different proportions was studied in five treatments under changing meteorological conditions. The five treatment cases T1: 100% CWW; T2: 100% ACD; T3: 90%CWW +10%ACD; T4:70%CWW+30%ACD; T5: 50%CWW+50%ACD were digested under anaerobic conditions in model batch, metallic bio digesters of same working volume (32.0 liters) for 30 days retention period. Results indicated that T2 system flamed on the 20th day, T5 on the 20th day while T1, T4 and T3 systems didn’t flame. T1 had cumulative gas yield of 12.7 liters; T2 had 28.85 liters; T3 had 12.5 liters,T4 had 11.1 liters while T5 had cumulative gas yield of 15.8 liters per 24kg mass of slurry. T2had 91.20% methane; while T5 produced 92.999% methane. Daily biogas yields were modeled as functions of meteorological parameters. Results indicated that many parameters showed good correlations with ambient temperature.

ijaers doi crossrefDOI:

10.22161/ijcmes.5.2.5

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References:

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