Abstract
The objective of this study is to reduce the production of Hydrogen sulfide (H2S) in sewer pipe by using conductive concrete and electricity-producing bacteria (EPB). This work was mainly focused on evaluating the effect of inoculation of EPB isolated from sewage sludge from municipal wastewater treatment plant for decreasing production of H2S. The experimental results showed that inoculation of EPB could decrease the concentration of H2S, indicating that produced H2S in an anaerobic sludge sediment layer (bottom of sewer pipe) was biologically oxidized by EPB. These results demonstrated that conductive concrete can provide an electron pathway from anaerobic sludge sediment in the bottom of sewer pipe to oxygen dissolved in surface water, and as a result the electron generated from hydrogen H2S oxidation in anaerobic environment was accepted by oxygen via conductive concrete.
Published Version
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More From: IOP Conference Series: Materials Science and Engineering
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