Control of the aeration volume in an activated sludge process for nitrogen removal

被引：15

作者：

Samuelsson, P ^{[1
]}

Carlsson, B ^{[1
]}

机构：

[1] Uppsala Univ, Dept Syst & Control, SE-75103 Uppsala, Sweden

来源：

WATER SCIENCE AND TECHNOLOGY | 2002年 / 45卷 / 4-5期

关键词：

activated sludge process; aeration; automation; control; exact linearization; feedforward control; nitrification; nutrient removal;

D O I：

10.2166/wst.2002.0548

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Biological nitrogen removal in an activated sludge process is obtained by two biological processes; nitrification and denitrification. Nitrifying bacteria need dissolved oxygen and a sufficiently large aeration volume for converting ammonium to nitrate in the wastewater. The objective of this paper is to develop an automatic control strategy for adjusting the aerated volume so that the effluent ammonium level can be kept close to a desired value despite major changes in the influent load. The strategy is based on applying exact linearization of the IAWQ Activated Sludge Process Model No 1. Simulation results show that the suggested controller effectively attenuates process disturbances.

引用

页码：45 / 52

页数：8

共 16 条

[1]

BASTIN G, 1990, ON LINE ESTIMATION A

[2] Feedforward control of nitrification by manipulating the aerobic volume in activated sludge plants [J].

Brouwer, H ;

Bloemen, M ;

Klapwijk, B ;

Spanjers, H .

WATER SCIENCE AND TECHNOLOGY, 1998, 38 (03) :245-254

[3] ONLINE ESTIMATION OF THE RESPIRATION RATE AND THE OXYGEN-TRANSFER RATE AT KUNGSANGEN WASTE-WATER TREATMENT-PLANT IN UPPSALA [J].

CARLSSON, B ;

LINDBERG, CF ;

HASSELBLAD, S ;

XU, S .

WATER SCIENCE AND TECHNOLOGY, 1994, 30 (04) :255-263

[4]

FLANAGAN MJ, 1977, J ENV ENG AUG, P707

[5]

GARCIASANZ M, 1998, 3 EUR ROB INT SYST C

[6]

Henze M., 1995, WASTEWATER TREATMENT

[7]

Henze M., 1987, ACTIVATED SLUDGE MOD

[8]

Khalil HK., 1992, NONLINEAR SYSTEMS

[9] Nonlinear and set-point control of the dissolved oxygen concentration in an activated sludge process [J].

Lindberg, CF ;

Carlsson, B .

WATER SCIENCE AND TECHNOLOGY, 1996, 34 (3-4) :135-142

[10]

NIELSEN MK, 1993, P 6 WORKSH INSTR CON, P560

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