Inhibitory effect of high-strength ammonia nitrogen on bio-treatment of landfill leachate using EGSB reactor under mesophilic and atmospheric conditions
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作者:
Liu, Jianyong
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Shanghai Univ, Sch Environm & Chem Engn, Shanghai 200444, Peoples R ChinaShanghai Univ, Sch Environm & Chem Engn, Shanghai 200444, Peoples R China
Liu, Jianyong
[1
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Luo, Jinghuan
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Shanghai Univ, Sch Environm & Chem Engn, Shanghai 200444, Peoples R ChinaShanghai Univ, Sch Environm & Chem Engn, Shanghai 200444, Peoples R China
Luo, Jinghuan
[1
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Zhou, Jizhi
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Shanghai Univ, Sch Environm & Chem Engn, Shanghai 200444, Peoples R ChinaShanghai Univ, Sch Environm & Chem Engn, Shanghai 200444, Peoples R China
Zhou, Jizhi
[1
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Liu, Qiang
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Shanghai Univ, Sch Environm & Chem Engn, Shanghai 200444, Peoples R ChinaShanghai Univ, Sch Environm & Chem Engn, Shanghai 200444, Peoples R China
Liu, Qiang
[1
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Qian, Guangren
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Shanghai Univ, Sch Environm & Chem Engn, Shanghai 200444, Peoples R ChinaShanghai Univ, Sch Environm & Chem Engn, Shanghai 200444, Peoples R China
Qian, Guangren
[1
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Xu, Zhi Ping
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Univ Queensland, Australian Inst Bioengn & Nanotechnol, ARC Ctr Excellence Funct Nanomat, Brisbane, Qld 4072, AustraliaShanghai Univ, Sch Environm & Chem Engn, Shanghai 200444, Peoples R China
Xu, Zhi Ping
[2
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[1] Shanghai Univ, Sch Environm & Chem Engn, Shanghai 200444, Peoples R China
[2] Univ Queensland, Australian Inst Bioengn & Nanotechnol, ARC Ctr Excellence Funct Nanomat, Brisbane, Qld 4072, Australia
The inhibitory effect of high-strength NH3-N on anaerobic biodegradation of landfill leachates in an EGSB bioreactor has been investigated. The research compared start-up performance of the reactor treating the landfill leachate with NH3-N in 242-1200 mg/l to that treating the compost leachate with NH3-N in 38-410 mg/l. The observations showed that the performance of the reactor treating the landfill leachate was only marginally worse than that treating the compost leachate at the mesophilic temperature when NH3-N concentration was under 1500 mg/l. We also noted that NH3-N at the concentration of 1500-3000 mg/l inhibited the biodegradation. The comparative biodegradation performance at the mesophilic and atmospheric temperature demonstrated that the maximal OLR of atmospheric digestion was only reduced to 44 kg COD/m(3) d. These findings indicate that landfill leachates with NH3-N less than 1500 mg/l could be efficiently treated in the EGSB bioreactor even under the atmospheric condition with methane generated. (C) 2011 Published by Elsevier Ltd.
机构:Univ Fed Rio Grande do Sul, Inst Pesquisas Hidraul, BR-90046900 Porto Alegre, RS, Brazil
Dacanal, Marisa
Beal, Lademir Luiz
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Univ Fed Rio Grande do Sul, Inst Pesquisas Hidraul, BR-90046900 Porto Alegre, RS, Brazil
Fundacao Univ Fed Rio Grande, Rio Grande, RS, Brazil
UCS, Ctr Ciencias Exatas & Tecnol, Caxias Do Sul, RS, BrazilUniv Fed Rio Grande do Sul, Inst Pesquisas Hidraul, BR-90046900 Porto Alegre, RS, Brazil
机构:Univ Fed Rio Grande do Sul, Inst Pesquisas Hidraul, BR-90046900 Porto Alegre, RS, Brazil
Dacanal, Marisa
Beal, Lademir Luiz
论文数: 0引用数: 0
h-index: 0
机构:
Univ Fed Rio Grande do Sul, Inst Pesquisas Hidraul, BR-90046900 Porto Alegre, RS, Brazil
Fundacao Univ Fed Rio Grande, Rio Grande, RS, Brazil
UCS, Ctr Ciencias Exatas & Tecnol, Caxias Do Sul, RS, BrazilUniv Fed Rio Grande do Sul, Inst Pesquisas Hidraul, BR-90046900 Porto Alegre, RS, Brazil