Variation of nitrous oxide formation in the denitrification basin in a wastewater treatment plant with nitrogen removal

被引：81

作者：

Thorn, M

Sorensson, F

机构：

[1] Dept. of Gen. and Mar. Microbiology, University of Göteborg, Lundberg Laboratory, S-413 90 Göteborg

来源：

WATER RESEARCH | 1996年 / 30卷 / 06期

关键词：

denitrification; nitrogen removal; nitrous oxide; pH; wastewater treatment;

D O I：

10.1016/0043-1354(95)00327-4

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The influence of several environmental factors on the nitrous oxide production and denitrification in anoxic activated sludge has been studied in a Swedish wastewater treatment plant. Changes in temperature and in the concentrations of carbon source, nitrate or nitrite showed no significant influence on nitrous oxide production. Variations in pH correlated with changes in the amount of nitrous oxide produced. This correlation was found both with non-manipulated samples at different naturally occurring pH, and also in samples where the pH in activated sludge from the anoxic basin was changed experimentally. In non-manipulated samples, there was no nitrous oxide formation found at pH values above 6.8. The maximum nitrous oxide production was found when the pH was between 5 and 6. Copyright (C) 1996 Elsevier Science Ltd

引用

页码：1543 / 1547

页数：5

共 11 条

[1] MEASUREMENT OF UPWELLING AND SUBSEQUENT BIOLOGICAL PROCESSES BY MEANS OF TECHNICON AUTOANALYZER AND ASSOCIATED EQUIPMENT [J].