Assesment of nitrification and denitrification rate in biological nitrogen removal from wastewater

被引：4

作者：

Vaboliene, Giedre ^{[1
]}

Matuzevicius, Algirdas Bronislovas ^{[1
]}

机构：

[1] Vilniaus Gedimino Tech Univ, Vandentvarkos Katedra, LT-10223 Vilnius, Lithuania

来源：

JOURNAL OF ENVIRONMENTAL ENGINEERING AND LANDSCAPE MANAGEMENT | 2007年 / 15卷 / 02期

关键词：

nitrification rate (q(N)); denitrification rate (q(DN)); nitrates; ammonium nitrogen; biological active potential (BPA);

D O I：

10.3846/16486897.2007.9636912

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 from wastewater is based on nitrification and denitrification processes in biological treatment plants with activated sludge. Slowed growth of nitrification bacteria is one of basic problems in biological nitrogen removal from wasterwater. Using biological nitrogen removal technologies at changing nitrification and denitrification rate, it is very important to evaluate properly aeration and reduced aeration duration and to estimate nitrification and denitrification rate. To this purpose an investigation was carried out at Utena Wastewater Treatment Plant. Nitrification and denitrification rate was estimated during five experiments in aeration tanks when the duration of aeration and reduced aeration was from 120 to 180 min. Nitrification and denitrification rate at a different aeration regime and impact of aeration regime on biological nitrogen removal was estimated in the work.

引用

页码：77 / 84

页数：8

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