NITRATE REMOVAL BY A HETEROTROPHIC Fe(II)-EDTA OXIDATION BACTERIUM PSEUDOMONAS sp

被引：0
|
作者：
Zeng, Qiang [1 ]
Wang, Le [2 ]
机构：
[1] Kunming Univ Sci & Technol, Fac Civil Engn & Mech, Kunming 650500, Yunnan, Peoples R China
[2] Fujian Gaoneng Construct Engn Co Ltd, Fuzhou 350013, Fujian, Peoples R China
来源：
ENERGY, ENVIRONMENTAL & SUSTAINABLE ECOSYSTEM DEVELOPMENT | 2016年
关键词：
Heterotrophic denitrification; Denitrification genes; Fe(II)-EDTA; Nitrate reduction; Pseudomonas sp;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
A novel isolated strain was characterized for nitrate removal with anaerobic Fe(II)-EDTA oxidization and named as Pseudomonas sp. Z01. The effects of three important parameters, i.e., the pH, initial Fe(II)-EDTA and nitrate concentrations, were investigated. With Fe(II)-EDTA as electron donor, strain Z01 could convert 96.7% of nitrate and oxidize about 91.4% of Fe(II)-EDTA after 7 days incubation at pH 7.0 and 30 degrees C. Meanwhile, the observed accumulated NO2--N and NH4+-N was very low during the experiment. These results indicated that strain Z01 could be used as an alternative denitrifier for the treatment of groundwater and wastewater.
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页数：7
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