游离氨对活性污泥系统中脱氮性能及胞外聚合物的影响OACSCDCSTPCD
Effect of free ammonia on nitrogen removal and extracellular polymeric substances in the suspended activated sludge system
以人工模拟废水为研究对象,采用4组SBR反应器(R0.5、R5、R10和R15),考察了4种游离氨浓度(0.5、5、10和15 mg/L)对生物脱氮效能、胞外聚合物含量及其组分(蛋白质(PN)、多糖(PS)和核酸(DNA))影响.结果表明,4种游离氨浓度条件下都实现了较高的脱氮效果(97.6％～99.4％).游离氨对3种胞外聚合物(LB-EPS、TB-EPS、总EPS)及其组分有显著影响.当游离氨浓度从0.5 mg/L增加到10 mg/L时,LB…查看全部>>
To investigate the influences of free ammonia on nitrogen removal,the contents of extracellular polymeric substances and the chemical composition (proteins, polysaccharides, and DNA ), four laboratory-scale sequencing batch reactors fed with synthetic wastewater were operated at free ammonia concentrations of 0.5,5,10 and 15 mg/L (R0.5 ,R5 ,R10 and R15 ,respectively).Results showed that high nitrogen removal efficiencies (97.6％～99.4％)were achieved under four…查看全部>>
蔡晨健;吴常峰;杨浩;陈桐生;孙洪伟
兰州交通大学 环境与市政工程学院,兰州 730070兰州城市供水集团有限公司,兰州 730060兰州交通大学 环境与市政工程学院,兰州 730070生态环境部华南环境科学研究所,广州 510655兰州交通大学 环境与市政工程学院,兰州 730070
资源环境
游离氨脱氮胞外聚合物蛋白质多糖
free ammonianitrogen removalextracellular polymeric substanceproteinspolysaccharides
《土木与环境工程学报（中英文）》 2021 (1)
184-192,9
National Natural Science Foundation of China (No.51668031)