NUTRIENT REMOVAL - ONLINE MEASUREMENTS AND CONTROL STRATEGIES

被引：18

作者：

THORNBERG, DE ^{[1
]}

NIELSEN, MK ^{[1
]}

ANDERSEN, KL ^{[1
]}

机构：

[1] KRUGER INC,CARY,NC 27513

来源：

WATER SCIENCE AND TECHNOLOGY | 1993年 / 28卷 / 11-12期

关键词：

ACTIVATED SLUDGE; NUTRIENT REMOVAL; NITROGEN; PHOSPHORUS; ONLINE MEASUREMENTS; CONTROL STRATEGIES; CRITERIA FUNCTIONS;

D O I：

10.2166/wst.1993.0695

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

New control strategy principles with respect to nitrogen and phosphorus removal in activated sludge plants are described. The principles include control of phase length and oxygen set point based on criteria functions and continuous on-line measurements of ammonium, nitrate, phosphate and pH. Five case studies are stated which describe improvements in biological nitrogen and phosphorus removal and in chemical phosphorus removal at activated sludge plants ranging from 5000 to 220000 population equivalents (0.25 to 11 MGD). The improvements due to the new strategies are basically a reduction of nutrients in the effluent and a reduction in the amount of chemicals and electricity consumed.

引用

页码：549 / 560

页数：12

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