The SHARON process: An innovative method for nitrogen removal from ammonium-rich waste water

被引:651
|
作者
Hellinga, C
Schellen, AAJC
Mulder, JW
van Loosdrecht, MCM
Heijnen, JJ
机构
[1] Delft Univ Technol, Dept Biochem Engn, NL-2628 BC Delft, Netherlands
[2] Water Author Hollandse Eilanden Waarden, NL-3300 AL Dordrecht, Netherlands
[3] Grontmij Consultants, NL-3730 AE De Bilt, Netherlands
关键词
adsorption-Belebungs verfahren; denitrification; modelling; nitrification; nitrite; SHARON; waste water treatment;
D O I
10.1016/S0273-1223(98)00281-9
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
A new biological process for ammonia removal from flows containing hundreds to thousands milligrams NH4+ per litre has been developed at the Delft University of Technology. The SHARON process operates at a high temperature (30-40 degrees C) and pH (7-8). The process is performed without sludge retention. This enables the prevention of nitrite oxidation, leading to lower operational costs. Denitrification is used to control the pH. A full scale plant was designed (1500 m(3)) based on kinetic and stoichiometric parameters determined at 1.5 l. scale and model predictions. Total costs are estimated at about $1.7 per kg removed NH4+-N. The first full scale SHARON plant will be operational at the Dokhaven waste water treatment plant in Rotterdam in the beginning of 1998. This contribution focuses on the principles of the process and evaluates conditions for which application seems feasible. (C) 1998 IAWQ. Published by Elsevier Science Ltd
引用
收藏
页码:135 / 142
页数:8
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