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Experiment of nitrosificated granular sludge cultivation on sequencing batch reactor
Pages: 83-86
Year: Issue:  6
Journal: Journal of Nanjing University of Technology(Natural Science Edition)

Keyword:  亚硝化反硝化颗粒污泥间歇式反应器;
Abstract: 在间歇式反应器(SBR)中经20d驯化后,普通消化污泥具有亚硝化功能.然后接种厌氧颗粒污泥,控制反应条件:温度21 ℃,pH7.5~8.5,溶解氧(DO)质量浓度0.5~1.0 mg/L, 25 d后完成厌氧颗粒污泥向好氧亚硝化颗粒污泥的转变.好氧亚硝化颗粒污泥具有较好的脱氮效果,一个反应周期内氨氮(NH+4N)去除率达到91.4%,总氮(TN)去除率达到70.6%,亚硝酸盐氮与硝酸盐氮质量浓度比(ρ(NO-2N)/ρ(NO-3N))>0.70,反应器实现了同步亚硝化反硝化.
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