ORIGINAL RESEARCH
High Solid Anaerobic Co-Digestion of Household
Organic Waste with Cow Manure for Mass
and Energy Recovery
Nuruljannah Khairuddin1, Latifah Abd Manaf1, Mohd Ali Hassan2,
Normala Halimoon1, Wan Azlina Wan Ab Karim Ghani3
1Department of Environmental Sciences, Faculty of Environmental Studies, Universiti Putra Malaysia,
43400 UPM Serdang, Malaysia
2Department of Bioprocess Technology and Bimolecular Sciences, Faculty of Biotechnology and Molecules,
Universiti Putra Malaysia, 43400 UPM Serdang, Malaysia
3Department of Environmental Engineering, Faculty of Engineering, Universiti Putra Malaysia,
43400 UPM Serdang, Malalysia
43400 UPM Serdang, Malaysia
2Department of Bioprocess Technology and Bimolecular Sciences, Faculty of Biotechnology and Molecules,
Universiti Putra Malaysia, 43400 UPM Serdang, Malaysia
3Department of Environmental Engineering, Faculty of Engineering, Universiti Putra Malaysia,
43400 UPM Serdang, Malalysia
Submission date: 2015-09-03
Final revision date: 2016-02-19
Acceptance date: 2016-02-20
Publication date: 2016-07-22
Pol. J. Environ. Stud. 2016;25(4):1549–1554
KEYWORDS
anaerobic co-digestionHigh solid anaerobic digestionbiomethane potentialbiodegradabilityenergy mass recoveryHighsolid anaerobic digestion
TOPICS
Treatment and managementChromatographicEnvironmental managementBioenergy from biomassSolid waste engineering
ABSTRACT
This paper describes a batch study on four different mixture ratios of household organic waste
and cow manure. The biomethane potential test is used to evaluate the suitability of high solid anaerobic
co-digestion of household organic waste and cow manure and its biodegradability. The maximum methane
yield was observed for both co-digestions in R3 (247 mL/g VS) and R4 (244 mL/g VS). The percentages
of mass recovery were 65-80% (based on VS removal). The biodegradability of each reactor was recorded
as 97.7%, 10.7%,71.6% and 76.8% for R1, R2, R3, and R4, respectively. High solid co-digestion of household
organic waste and cow manure in different mixture ratios increase the specific methane yields compared
to mono-digestion. Hence, this clearly demonstrates a synergistic effect on the stability of anaerobic
digestion. Upon correcting the results of the theoretical method with experimental data, an agreement
ranged 70-90% was achieved.
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