CAJ | 학술논문

以城市垃圾渗滤液为研究对象,采用脉冲式SBR工艺进行短程深度脱氮试验研究.基于理论分析,建立了进水次数对脉冲式SBR法脱氮效率的影响公式,同时应用过程控制优化工艺运行.结果表明,脉冲式SBR工艺通过短程生物脱氮途径,NH4+-N和TN的去除率分别达到95.8%和90.0%以上,最终出水NH4+-N和TN分别低于5.0,15.0mg/L.精准的过程控制是脉冲式SBR工艺短程生物脱氮实现及稳定的主要因素.随着进水次数的增加,外碳源投加量明显减少.因此,采用脉冲式SBR处理垃圾渗滤液,可实现深度脱氮和节省运行费用双重目的.
이성시랄급삼려액위연구대상,채용맥충식SBR공예진행단정심도탈담시험연구.기우이론분석,건립료진수차수대맥충식SBR법탈담효솔적영향공식,동시응용과정공제우화공예운행.결과표명,맥충식SBR공예통과단정생물탈담도경,NH4+-N화TN적거제솔분별체도95.8%화90.0%이상,최종출수NH4+-N화TN분별저우5.0,15.0mg/L.정준적과정공제시맥충식SBR공예단정생물탈담실현급은정적주요인소.수착진수차수적증가,외탄원투가량명현감소.인차,채용맥충식SBR처리랄급삼려액,가실현심도탈담화절성운행비용쌍중목적.
The pulsed-SBR process was used to achieve the advanced nitrogen removal via nitrite pathway from landfill leachate. The effect of feed frequency on the process characteristic of pulse-SBR was discussed theoretically and nitrogen removal efficiency formula was established. The operation of the SBR under alternating aerobic-anoxic conditions was optimized by process control. The experimental results showed that up to 95.8%NH4+-N and 90.0%TN were eliminated via nitrite from leachate in the pulsed-SBR and advanced nitrogen removal was successfully obtained. The accurate on-line process control was main factor of the achievement and stabilization of partial biological nitrogen removal. With increasing feed frequency, the external carbon source dosage decreased obviously. Therefore, the objectives of saving external carbon source dosage and achieving advanced nitrogen removal were obtained when pulsed-SBR was used to treat landfill leachate.