A Study on the Inhibition of Methane Production by Sulfate Reduction in Sanitary Landfills
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概要
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From the viewpoint of global warming control, we have studied control of methane gas from waste landfill. There is strong competition for substrates between sulfate reducing bacteria (SRB) and methane producing bacteria (MPB) leading to the possibility of controlling methane gas production by MPB. SRB interference was enhanced with the activity of MPB at the different substrate use by adding sulfate as Na<SUB>2</SUB>SO<SUB>4</SUB> in the artificial landfill columns.<BR>Over 500 days, since the start-up of the experiments, organic matters were decomposed and converted by MPB to high methane generation (max. conc. 60.2%) in the columns where sulfate was not added.<BR>However, in the columns which received sulfate, organic matters were decomposed and the methane production was controlled by SRB. Most of the CO<SUB>2</SUB> produced was dissolved in the leachates in the form of inorganic carbon (IC) .
- 一般社団法人 廃棄物資源循環学会の論文