除磷颗粒污泥中磷的形态及其含量分析  

Existing Morphology of Phosphorus in Dephosphorization Granular Sludge and Its Content Analysis

作　　者：郭超[1] 刘怀英 王琪[3] 刘思琪[3,4] 罗玉龙[3] 刘小英[3,5] 

机构地区：[1]武汉科技大学城市建设学院,湖北武汉430065 [2]山西安泰集团股份有限公司,山西介休032002 [3]武汉理工大学土木工程与建筑学院,湖北武汉430070 [4]重庆大学城市建设与环境工程学院,重庆400044 [5]陕西省地下水与生态环境工程研究中心,陕西西安710055

出　　处：《安全与环境工程》2015年第2期44-48,共5页Safety and Environmental Engineering

基　　金：国家自然科学基金项目(21407114)

摘　　要：以实验室培养的4种除磷颗粒污泥为研究对象,利用X衍射法和SMT法对除磷颗粒污泥中磷（P）的形态和含量进行了分析测定,同时利用加热法和超声法将除磷颗粒污泥中胞内物质和胞外物质分离,提取胞外聚合物（EPS）,分析其中总磷（TP）的含量,并进一步研究除磷颗粒污泥的除磷机理。结果表明：除磷颗粒污泥中的磷与Ca、Fe、Al、Na、K、Mg等结合形成磷酸盐化合物,其中无机磷（IP）含量达97%以上,且IP中钙结合磷（Ca-P）含量在53.50%-82.73%之间;EPS的TP含量在34.87%-56.91%之间,说明除磷颗粒污泥中EPS对磷的去除具有积极作用。This paper takes 4 kinds of dephosphorization granular sludge cultivated in lab as study objects and determines the morphology and content of phosphorus in the granular sludge by X-ray diffraction and STM. The paper also extracts extracellular polymeric substances （EPS） and separates the intracellular material and extracellular material of the granular sludge by heating method and ultrasonic method, and then determines the TP content of them separately. The results show that phosphorus in granular sludge orderly combines with Ca,Fe, Al, Na, K and Mg to form phosphate compound; the proportion of inorganic phos phorus （IP） is above 97% and the proportion of Ca-P compound in IP is from 53.50% to 82.73% ;the proportion of TP in the extracellular material is from 34. 870/oo to 56.91%. The EPS in the granular sludge is beneficial to phosphorus removal.

关 键 词：除磷颗粒污泥 磷的形态 磷的含量 胞外聚合物(EPS) 不同碳源 

分 类 号：X53[环境科学与工程—环境工程]