Abstract
In this study, IC anaerobic reactor was made to deal with the wastewater with high-concentration sulfate, the sludge from sewage treatment plant was put into two cells of IC reactor to domesticate sulfur-reducing bacteria (SRB), artificial water was made to simulate the wastewater with high-concentration SO42−. In order to remove the SO42− efficiently, two stages were designed in this study: sludge domestication stage and concentration strengthening stage. In sludge domestication stage, SRB could grow normally, the removal rate of SO42− was between 34.14% and 36.2%;in concentration strengthening stage, removal rate of SO42− was between 26% and 26.86%,demonstrating that SRB could grow and remove SO42− in such high-concentration SO42−( 38000 mg/L ) wastewater.
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