Performance and Microbial Community of Simultaneous Denitrification and Biomineralization in Bioreactors

被引：6
作者：
Su, Junfeng [1 ,2 ]
Bai, Yihan [1 ]
Huang, Tinglin [1 ]
Gao, Yichou [1 ]
Wei, Li [3 ]
Lu, Jinsuo [1 ,2 ]
机构：
[1] Xian Univ Architecture & Technol, Sch Environm & Municipal Engn, 13 Yanta Rd, Xian 710055, Shaanxi, Peoples R China
[2] Xian Univ Architecture & Technol, State Key Lab Green Bldg West China, 13 Yanta Rd, Xian 710055, Shaanxi, Peoples R China
[3] Harbin Inst Technol, State Key Lab Urban Water Resource & Environm, Sch Municipal & Environm Engn, 73 Huanghe Rd, Harbin 150090, Heilongjiang, Peoples R China
来源：
CHEMICAL ENGINEERING & TECHNOLOGY | 2019年 / 42卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Biofilm reactor; Biomineralization; Community diversity; Denitrification; Pseudomonas sp; WASTE-WATER TREATMENT; NITROGEN-REMOVAL; AUTOTROPHIC DENITRIFICATION; NITRATE POLLUTION; REDUCTION; GROUNDWATER; EFFICIENCY; BACTERIUM; BIOFILTER; PH;
D O I：
10.1002/ceat.201800310
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The effects of combined different strains on a simultaneous denitrification and biomineralization process were examined. The influence of sodium succinate concentration, pH, and hydraulic retention time on nitrate and hardness removal was evaluated in bioreactors. Experimental results indicated that high nitrate and hardness removal efficiencies were obtained under optimum conditions. The community diversity was markedly influenced by the concentration of sodium succinate. The findings proved that Pseudomonas sp. H117 and Pseudomonas sp. H2 played a key role in the process of nitrate and hardness removal. The main component of sedimentation generated from the bioreactor was detected as calcium ion precipitation by scanning electron microscopy and X-ray diffraction.
引用
收藏
页码：637 / 644
页数：8
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