Sequential production of hydrogen and methane from wastewawter sludge using anaerobic fermentation
Journal
Journal of the Chinese Institute of Chemical Engineers
Journal Volume
34
Journal Issue
6
Pages
683-687
Date Issued
2003
Author(s)
Abstract
This study demonstrates the feasibility of sequentially producing both hydrogen and methane from wastewater sludge using a clostridium strain, as was isolated by Wang et al. (2003a). Three commonly used pre-treatments were applied to wastewater sludge to increase the hydrogen yield. Then, the waste liquor was externally dosed with methanogenic bacteria to produce methane. The waste liquor after fermentation of hydrogen produced more methane than was directly derived without fermentation of hydrogen. The reduction of nitrogen-containing organic matter is shown to compete with the formation of hydrogen, yielding ammonium nitrogen (NH3-N) in the fermented liquor.
Subjects
Anaerobic fermentation
Clostridium
Hydrogen
Methane
Pre-treatment
Type
journal article