バチルス属菌による高濃度有機系排水および窒素,りんの処理特性

概要

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This study tested treatment characteristic of high-dense organism wastewater and total nitrogen by Bacillus sp. Research results are as follows.(1)In the Bacillus activated sludge process, the synthesis wastewater was prepared at DOC concentration 250mg/L,T-N concentration 50mg/L. As the result, the treated water quality was 97% at DOC removal efficiency. However, total nitrogen and total phosphorus hardly were removed.(2)Bacillus activated sludge was used for the anaerobic-aerobic activated sludge process. As the result, DOC removal efficiency of the treated water was 97%. Then, the total nitrogen removal efficiency became 80%, and simultaneously, organic substance and total nitrogen were removed.(3)The direct treatment of the wastewater by Bacillus pharmaceutical preparation was carried out. As the result, DOC removal efficiency of the treated water was about 15%. And, this pharmaceutical preparation worked in activated sludge microorganism and under the coexistence. As the result, DOC removal efficiency of the treated water was 70%. Still, DOC concentration of this synthesis wastewater is 2000mg/L.
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