鸟粪石沉淀法去除剩余污泥碱性发酵液中氮磷研究  

Research on Nitrogen and Phosphorus Revmoal in Alkaline Fermentation Liquid from Excell sludge by Struvite Precipitation Method

作　　者：赵子玲 马扬 刘建新 Zhao Ziling;Ma Yang;Liu Jianxin(Guangdong Provincial Academy of Building Research Group Co.,Ltd.,Guangzhou 510500;Guangdong Research Institute of Engineering Technology Co.,Ltd.,Guangdong Wastewater Treatment Engineering Technology Center of Standard&Efficiency Increasing and Resource Recycling,Guangzhou 510440,China)

机构地区：[1]广东省建筑科学研究院集团股份有限公司,广东广州510500 [2]广东省工程技术研究所有限公司广东省污水处理提标增效及资源化利用工程技术研究中心,广东广州510440

出　　处：《广东化工》2021年第11期126-127,共2页Guangdong Chemical Industry

基　　金：广东省科技计划项目(2018B020207015)(2017A070702021)。

摘　　要：采用鸟粪石法对剩余污泥碱性发酵液中氮磷去除进行了研究,探讨了镁盐投加量(Mg/P摩尔比)、pH值、反应时间对氮磷去除效果的影响。结果表明,控制Mg/P比为1.2、pH为9.5、反应时间为20 min,可实现剩余污泥碱性发酵液中氮磷去除率分别为52.74%、71.49%,可有效降低发酵液碳源添加对污水处理系统的氮磷负荷冲击。The study was conducted on nitrogen and phosphorus revmoal in alkaline fermentation liquid from excell sludge by struvite precipitation method, and the effect of Mg/P molar ratio, p H and reaction time was also discussed. The nitrogen and phosphorus removal rate of 52.74 % and 71.49 % was achieved on condition of Mg/P molar ratio=1.2, p H=9.5 and reaction time of 20 min, which could effectively reduce the N and P loading to the wastewater treament plant.

关 键 词：鸟粪石沉淀法 碱性发酵液 氮 磷 

分 类 号：X703[环境科学与工程—环境工程]