颗粒粒径对Anammox污泥理化性质及脱氮性能的影响  

Effect of Particle Size on Physicochemical Properties and Nitrogen Removal Performance of Anammox Sludge

作　　者：王朝朝 武新娟 朱书浩 安宁 马磊 李思敏 WANG Zhaozhao;WU Xinjuan;ZHU Shuhao;AN Ning;MA Lei;LI Simin(Hebei Technology Innovation Center of Water Pollution Control and Water Ecological Remediation;Handan Key Laboratory of Water Utilization Technology;College of Energy and Environmental Engineering,Hebei University of Engineering,Handan 056038,China)

机构地区：[1]河北省水污染控制与水生态修复技术创新中心 [2]邯郸市水利用技术重点实验室 [3]河北工程大学能源与环境工程学院,河北邯郸056038

出　　处：《水处理技术》2023年第5期45-51,共7页Technology of Water Treatment

基　　金：河北省自然科学基金项目(E2021402011);河北省高校青年拔尖人才计划项目(BJ2019029)。

摘　　要：为考察不同粒径的厌氧氨氧化(Anammox)颗粒污泥的理化与脱氮特性,对比分析了粒径为1.0~1.5、1.5~2.0、2.0~2.5、>2.5 mm的Anammox颗粒污泥。结果表明,MLVSS、MLSS、VSS/SS、孔隙度、湿密度和TB-EPS与粒径呈正相关,含水率、SMP和LB-EPS都与粒径呈负相关,EEM结果显示色氨酸在粒径增长中起到重要作用。在2.0~2.5 mm时,TB-EPS中PN/PS达到最高,颗粒中蛋白质氨基酸吸收强度较高,含量最多,颗粒理化结构较为稳定。脱氮性能分析可知,在粒径为2.0~2.5 mm时,厌氧氨氧化活性相对最高。结合理化性质及脱氮性能的分析,应将粒径在2.0~2.5 mm范围内的Anammox颗粒污泥作为定向驯化与培养的目标。In order to investigate the physicochemical properties and nitrogen removal performance of Anammox granular sludge with different particle sizes,the Anammox granular sludge with diameters of 1.0~1.5,1.5~2.0,2.0~2.5,>2.5 mm were compared and analyzed.The analysis of physicochemical properties of anammox granular sludge with different particle sizes shows that porosity,wet density and TB-EPS were positively correlated with particle size,while moisture content,SMP and LB-EPS were negatively correlated with particle size.EEM results showed that tryptophan played an important role in particle size growth.At 2.0~2.5 mm,PN/PS reached the highest in TB-EPS,and the protein amino acid absorption intensity was the highest and the content was higher,and the physicochemical properties was stable.The anammox activity was the highest when the particle size was 2.0~2.5 mm.Combined with the analysis of physicochemical properties and nitrogen removal performance,Anammox granular sludge with particle size in the range of 2.0~2.5 mm should be taken as the target of directional acclimation and cultivation.

关 键 词：厌氧氨氧化 颗粒污泥 粒径 理化特性 脱氮性能 

分 类 号：X703[环境科学与工程—环境工程]