Full-scale evaluation of a multi-component additive for efficient control of activated sludge filamentous bulking

被引：4
|
作者：
Seka, MA [1 ]
Van de Wiele, T [1 ]
Verstraete, W [1 ]
机构：
[1] Univ Ghent, Lab Microbial Ecol & Technol, Ctr Environm Sanitat, B-9000 Ghent, Belgium
来源：
ENVIRONMENTAL TECHNOLOGY | 2002年 / 23卷 / 01期
关键词：
activated sludge; filamentous bulking; multi-component additive; polymer; talc; toxicity test;
D O I：
10.1080/09593332508618434
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
A multi-component additive formulated for a more efficient control of activated sludge filamentous bulking was evaluated at a full-scale treatment plant experiencing severe filamentous bulking. It was found that, besides offering an immediate improvement of sludge settling, the multi-component additive was able to eliminate the filamentous bacteria causing the bulking. Hence, contrary to ordinary additives, this novel additive yielded immediate as well as long-term improvements in sludge sedimentation upon a few additions. Preliminary lab-scale toxicity tests showed that the treatment of the sludge by the additive should not impart any toxicity to the resulting effluent.
引用
收藏
页码：67 / 72
页数：6
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