Enhancing simultaneous nitrate and phosphate removal in sulfur-iron (II) autotrophic denitrification biofilters by endogenous magnetic fields: Performance and mechanism
被引:11
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作者:
Han, Shi-Cai
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Beijing Univ Technol, Natl Engn Lab Adv Municipal Wastewater Treatment &, Beijing 100124, Peoples R ChinaBeijing Univ Technol, Natl Engn Lab Adv Municipal Wastewater Treatment &, Beijing 100124, Peoples R China
Han, Shi-Cai
[1
]
Cui, You -Wei
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Beijing Univ Technol, Natl Engn Lab Adv Municipal Wastewater Treatment &, Beijing 100124, Peoples R ChinaBeijing Univ Technol, Natl Engn Lab Adv Municipal Wastewater Treatment &, Beijing 100124, Peoples R China
Cui, You -Wei
[1
]
Yan, Hui-Juan
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Beijing Univ Technol, Natl Engn Lab Adv Municipal Wastewater Treatment &, Beijing 100124, Peoples R ChinaBeijing Univ Technol, Natl Engn Lab Adv Municipal Wastewater Treatment &, Beijing 100124, Peoples R China
Yan, Hui-Juan
[1
]
Cui, Yu -Bo
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机构:
Dalian Minzu Univ, Key Lab Biotechnol & Bioresources Utilizat, Dalian 116605, Peoples R ChinaBeijing Univ Technol, Natl Engn Lab Adv Municipal Wastewater Treatment &, Beijing 100124, Peoples R China
Cui, Yu -Bo
[2
]
Chen, Zhao-Bo
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Dalian Minzu Univ, Key Lab Biotechnol & Bioresources Utilizat, Dalian 116605, Peoples R ChinaBeijing Univ Technol, Natl Engn Lab Adv Municipal Wastewater Treatment &, Beijing 100124, Peoples R China
Chen, Zhao-Bo
[2
]
机构:
[1] Beijing Univ Technol, Natl Engn Lab Adv Municipal Wastewater Treatment &, Beijing 100124, Peoples R China
[2] Dalian Minzu Univ, Key Lab Biotechnol & Bioresources Utilizat, Dalian 116605, Peoples R China
Sulfur-iron (II) autotrophic denitrification;
Endogenous magnetic field;
Magnetite;
Bioaugmentation;
Simultaneous nitrate and phosphate removal;
POLYMERIC SUBSTANCES EPS;
AEROBIC GRANULAR SLUDGE;
PHOSPHORUS REMOVAL;
ORGANIC-MATTER;
NITROGEN;
CYCLES;
D O I:
10.1016/j.jwpe.2023.103767
中图分类号:
X [环境科学、安全科学];
学科分类号:
08 ;
0830 ;
摘要:
The sulfur-iron (II) autotrophic denitrification (SIAD) technology can achieve simultaneous nitrogen and phosphorus removal from wastewater with a low C/N ratio without an organic carbon source. However, the low nutrient removal load limits its large-scale application. To enhance N removal load and decrease the effluent SO42- concentration, we propose a novel bioaugmentation technology by adding magnetite to a sulfur-iron (II) biofilter to generate an endogenous magnetic field (EMF). The treatment characteristics of two biofilters with sulfur-iron (II) (S1) and sulfur-iron (II)-magnetite (S2) were comparatively studied in long-term experiments. The maximum nitrate removal load of the S2 system was 1.02 +/- 0.04 kg N/(m(3).d), 1.27 times higher than that of S1. The S2 system also showed a 40 % higher PO43- removal efficiency compared to S1. The production of SO42- was reduced by >12.34 % in S2 with 5.40 g SO42-/g N. The EMF significantly increased nitrate reductase activity by 3.50 times and enhanced the size of the attached microbial bacterial population by 30 %-50 %. Functional gene prediction indicated that amino acid metabolism, cell activity, N/S metabolism were improved under the EMF, and the genera Ferritrophicum and Thiobacillus were the predominant autotrophic bacteria, forming a symbiotic relationship. Our study demonstrates a novel solution to resolve the limits of high sulfate byproduct and low nutrient removal load in SIAD biofilters, which could promote large-scale application of SIAD process as a highly efficient and low-cost postdenitrification process.
机构:
Univ Cassino & Southern Lazio, Dept Civil & Mech Engn, Via Di Biasio 43, I-03043 Cassino, FR, ItalyUniv Cassino & Southern Lazio, Dept Civil & Mech Engn, Via Di Biasio 43, I-03043 Cassino, FR, Italy
Kiskira, K.
Papirio, S.
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Univ Cassino & Southern Lazio, Dept Civil & Mech Engn, Via Di Biasio 43, I-03043 Cassino, FR, ItalyUniv Cassino & Southern Lazio, Dept Civil & Mech Engn, Via Di Biasio 43, I-03043 Cassino, FR, Italy
Papirio, S.
van Hullebusch, E. D.
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机构:
Univ Paris Est, UPEM, LGE, EA 4508, F-77454 Marne La Vallee, France
UNESCO, IHE Inst Water Educ, Dept Environm Engn & Water Technol, POB 3015, NL-2601 DA Delft, NetherlandsUniv Cassino & Southern Lazio, Dept Civil & Mech Engn, Via Di Biasio 43, I-03043 Cassino, FR, Italy
van Hullebusch, E. D.
Esposito, G.
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Univ Cassino & Southern Lazio, Dept Civil & Mech Engn, Via Di Biasio 43, I-03043 Cassino, FR, ItalyUniv Cassino & Southern Lazio, Dept Civil & Mech Engn, Via Di Biasio 43, I-03043 Cassino, FR, Italy
机构:
Zhengzhou Univ, Sch Ecol & Environm, Zhengzhou 450001, Peoples R China
Henan Univ Urban Construct, Fac Environm & Municipal Engn, Henan Prov Key Lab Water Pollut Control & Rehabil, Pingdingshan 467036, Peoples R ChinaZhengzhou Univ, Sch Ecol & Environm, Zhengzhou 450001, Peoples R China
Huang, Zhenzhen
Gao, Jingqing
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Zhengzhou Univ, Sch Ecol & Environm, Zhengzhou 450001, Peoples R ChinaZhengzhou Univ, Sch Ecol & Environm, Zhengzhou 450001, Peoples R China
Gao, Jingqing
Liu, Lina
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Zhengzhou Univ, Sch Ecol & Environm, Zhengzhou 450001, Peoples R ChinaZhengzhou Univ, Sch Ecol & Environm, Zhengzhou 450001, Peoples R China
Liu, Lina
Mao, Yanli
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Henan Univ Urban Construct, Fac Environm & Municipal Engn, Henan Prov Key Lab Water Pollut Control & Rehabil, Pingdingshan 467036, Peoples R ChinaZhengzhou Univ, Sch Ecol & Environm, Zhengzhou 450001, Peoples R China
Mao, Yanli
Kang, Haiyan
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Henan Univ Urban Construct, Fac Environm & Municipal Engn, Henan Prov Key Lab Water Pollut Control & Rehabil, Pingdingshan 467036, Peoples R ChinaZhengzhou Univ, Sch Ecol & Environm, Zhengzhou 450001, Peoples R China
Kang, Haiyan
Song, Zhongxian
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Henan Univ Urban Construct, Fac Environm & Municipal Engn, Henan Prov Key Lab Water Pollut Control & Rehabil, Pingdingshan 467036, Peoples R ChinaZhengzhou Univ, Sch Ecol & Environm, Zhengzhou 450001, Peoples R China
Song, Zhongxian
Cai, Ming
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机构:
Yellow River Engn Consulting Co Ltd, Zhengzhou 450003, Peoples R ChinaZhengzhou Univ, Sch Ecol & Environm, Zhengzhou 450001, Peoples R China
Cai, Ming
Guo, Pengcheng
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Yellow River Engn Consulting Co Ltd, Zhengzhou 450003, Peoples R ChinaZhengzhou Univ, Sch Ecol & Environm, Zhengzhou 450001, Peoples R China
Guo, Pengcheng
Chen, Kai
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Yellow River Engn Consulting Co Ltd, Zhengzhou 450003, Peoples R ChinaZhengzhou Univ, Sch Ecol & Environm, Zhengzhou 450001, Peoples R China
机构:
School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an,710055, China
Shaanxi Key Laboratory of Environmental Engineering, Xi'an University of Architecture and Technology, Xi'an,710055, ChinaSchool of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an,710055, China
Yang, Yuzhu
Ali, Amjad
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机构:
School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an,710055, China
Shaanxi Key Laboratory of Environmental Engineering, Xi'an University of Architecture and Technology, Xi'an,710055, ChinaSchool of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an,710055, China
Ali, Amjad
Su, Junfeng
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机构:
School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an,710055, China
Shaanxi Key Laboratory of Environmental Engineering, Xi'an University of Architecture and Technology, Xi'an,710055, ChinaSchool of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an,710055, China
Su, Junfeng
Xu, Liang
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机构:
School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an,710055, China
Shaanxi Key Laboratory of Environmental Engineering, Xi'an University of Architecture and Technology, Xi'an,710055, ChinaSchool of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an,710055, China
Xu, Liang
Wang, Xumian
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机构:
School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an,710055, China
Shaanxi Key Laboratory of Environmental Engineering, Xi'an University of Architecture and Technology, Xi'an,710055, ChinaSchool of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an,710055, China
Wang, Xumian
Liang, Enlei
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机构:
School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an,710055, China
Shaanxi Key Laboratory of Environmental Engineering, Xi'an University of Architecture and Technology, Xi'an,710055, ChinaSchool of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an,710055, China