泥龄对生物除磷效率影响的分析

被引:15
作者
李勇
黄勇
潘杨
机构
[1] 苏州城建环保学院环保系!江苏苏州
关键词
泥龄; 生物除磷率; 效率;
D O I
暂无
中图分类号
X703.1 [技术方法];
学科分类号
083002 ;
摘要
文章采用Lawrence-McCarty模式,分析了泥龄对生物除磷效率的影响。分析结果表明当泥龄由20天缩短为5天时,系统的剩余污泥排放量增加近一倍,同化脱磷效率可由15.7%增加至30.7%;短泥龄系统对TBOD/TP值的敏感性强于长泥龄系统;若期望从废水中去除的磷量不变,则要求剩余污泥含磷量,即污泥的聚磷能力随泥龄的增加而增加。笔者认为,深入研究短泥龄系统的运行,对提高生物除磷的效率具有重要意义。
引用
收藏
页码:16 / 21
页数:6
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