Bulking and foaming in BNR plants in Johannesburg: Problems and solutions

被引：8
|
作者：
Pitman, AR
机构：
[1] Wastewater Department, Gtr. Johannesburg Metropol. Council, Johannesburg 2000
来源：
WATER SCIENCE AND TECHNOLOGY | 1996年 / 34卷 / 3-4期
关键词：
activated sludge; biological nutrient removal; bulking; carousel; foam; Microthrix parvicella; Nocardia; scum; wastewater treatment;
D O I：
10.1016/0273-1223(96)00585-9
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
In this paper almost twenty years of experience with sludge bulking and foaming/scumming problems in extended aeration and BNR plants in Johannesburg is summarised. Various reasons for these problems are proposed and remedial measures discussed. A general hypothesis for bulking and scumming in BNR and other plants is proposed and design features to minimise these problems recommended. Practical experience with a full scale plant incorporating some of these features is described. Copyright (C) 1996 IAWQ Published by Elsevier Science Ltd.
引用
收藏
页码：291 / 298
页数：8
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