Kinetic Analysis of Heterotrophic Nitrification-Aerobic Denitrification by an Oligotrophic Acinetobacter Sp SYF26

被引：23
作者：
Su, Jun Feng [1 ,2 ]
Ma, Min [1 ]
Ma, Fang [2 ]
Lu, Jin Suo [1 ]
机构：
[1] Xian Univ Architecture & Technol, Sch Environm & Municipal Engn, Xian 710055, Shaanxi, Peoples R China
[2] Harbin Inst Technol, Sch Municipal & Environm Engn, State Key Lab Urban Water Resource & Environm, Harbin, Heilongjiang, Peoples R China
来源：
ENVIRONMENTAL ENGINEERING SCIENCE | 2017年 / 34卷 / 11期
基金：
中国国家自然科学基金;
关键词：
3D-fluorescence spectroscopy; aerobic denitrification; Fourier transform infrared spectroscopy; heterotrophic nitrification; landscape water; low nitrate and ammonia concentration; NITRIFYING-DENITRIFYING BACTERIUM; MEMBRANE BIOREACTOR; NITROGEN REMOVAL; WASTE-WATER; STRAIN; SPECTROSCOPY; MARINE;
D O I：
10.1089/ees.2016.0516
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Kinetics of low nitrate and ammonia concentration removal by oligotrophic Acinetobacter sp. SYF26 were examined in this study. Heterotrophic nitrification-aerobic denitrification followed first-order reaction kinetics. The maximum removal rate was achieved under pH=7.0, 30 degrees C, and a carbon-to-nitrogen ratio (C/N)=7.5. In a landscape water experiment, strain SYF26 was capable of both heterotrophic nitrification and aerobic denitrification and exhibited no nitrite accumulation during the whole process. Both three-dimensional excitation-emission matrix fluorescence spectroscopy and Fourier transform near-infrared spectroscopy assessments of landscape water illustrated that strain SYF26 could use protein-like compounds and humus as carbon sources for heterotrophic nitrification-aerobic denitrification. Results illustrated that strain SYF26 is a suitable candidate for the bioremediation of landscape water.
引用
收藏
页码：844 / 851
页数：8
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