Batch anaerobic co-digestion of cow manure and waste milk in two-stage process for hydrogen and methane productions

Anaerobic co-digestion of cow manure (CM) and waste milk (WM), produced by sick cows during treatment with antibiotics, was evaluated in two-stage process under thermophilic condition (55 °C) to determine the effect of WM addition on hydrogen (H 2 ) and methane (CH 4 ) production potentials, volatil...

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Bibliographic Details
Published in:Bioprocess and biosystems engineering 2014-03, Vol.37 (3), p.355-363
Main Authors: Lateef, Suraju A., Beneragama, Nilmini, Yamashiro, Takaki, Iwasaki, Masahiro, Umetsu, Kazutaka
Format: Article
Language:English
Subjects:
Anaerobic digestion
Anaerobiosis
Animal wastes
Animals
Antibiotics
Batch processes
Biofuels
Biotechnology
Cattle
Cattle manure
Chemistry
Chemistry and Materials Science
Energy recovery
Environmental Engineering/Biotechnology
Food Science
Hydrogen
Hydrogen - metabolism
Industrial and Production Engineering
Industrial Chemistry/Chemical Engineering
Industrial Waste
Manure
Manures
Methane
Methane - biosynthesis
Milk
Original Paper
Volatile solids
Waste materials
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Summary:Anaerobic co-digestion of cow manure (CM) and waste milk (WM), produced by sick cows during treatment with antibiotics, was evaluated in two-stage process under thermophilic condition (55 °C) to determine the effect of WM addition on hydrogen (H 2 ) and methane (CH 4 ) production potentials, volatile solids (VS) removal, and energy recovery. Six CM to WM VS ratios of 100:0, 90:10, 70:30, 50:50, 30:70, and 10:90 were examined using 1-L batch digesters. The WM VS ratio of 30 % was found to be the minimum limit for significant increases in specific H 2 and CH 4 yields, and VS removal as compared to digestion of manure alone ( P  
ISSN:1615-7591
1615-7605
DOI:10.1007/s00449-013-1000-9