The hydrogen and methane were produced from wastewater sludge using a Clostridium strain. The original sludge and the pre-treated (acidified, sterilized, freeze/thawed, and sonicated) sludges were tested. Some pre-treatment could enhance hydrogen yield, and the other tests could enhance methane yield. Hydrogen yield followed freeze/thawed>acidified>sterilized>original sludge>sonicated; while methane yield followed sonicated> freeze/thawed>sterilized>acidified>original sludge. The production and consumption of acetate correlated closely with the trends in both yields.
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Research Article| November 01 2004
Production of hydrogen and methane from wastewater sludge using anaerobic fermentation
Water Sci Technol (2004) 50 (9): 223–228.
C.H. Ting, K.R. Lin, D.J. Lee, J.H. Tay; Production of hydrogen and methane from wastewater sludge using anaerobic fermentation. Water Sci Technol 1 November 2004; 50 (9): 223–228. doi: https://doi.org/10.2166/wst.2004.0576
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