ACTIVATED-SLUDGE SETTLING .1. EXPERIMENTAL-DETERMINATION OF ACTIVATED-SLUDGE SETTLEABILITY

被引：0
|
作者：
CATUNDA, PFC [1 ]
VANHAANDEL, AC [1 ]
机构：
[1] FED UNIV PARAIBA,DEPT CIVIL ENGN,RUA APRIGIO VELOSO 882,BR-58110 CAMPINA GRANDE,PARAIBA,BRAZIL
来源：
WATER SA | 1992年 / 18卷 / 03期
关键词：
D O I：
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中图分类号：
TV21 [水资源调查与水利规划];
学科分类号：
081501 ;
摘要：
Several methods to quantify sludge settleability are reviewed and interrelationships between the zone settling velocity (as defined by Vesilind's (1968) equation), the stirred sludge volume index and the diluted sludge volume index are derived from empirical equations. An experimental investigation showed that activated sludge composition had a marked influence: Sludge settleability increased with increasing sludge age, i.e. as the fraction of active sludge (living organisms) in the sludge decreased.
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页码：165 / 172
页数：8
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