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231225s2022 xx |||||o 00| ||eng c |
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|a 10.2166/wst.2022.003
|2 doi
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|a pubmed25n1120.xml
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|a (DE-627)NLM336338597
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|a (NLM)35100138
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|a DE-627
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|a eng
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1 |
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|a Xiong, Jianying
|e verfasserin
|4 aut
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|a Nitrogen resource recovery from mature leachate via heat extraction technology
|b An engineering project application
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 02.02.2022
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|a Date Revised 02.02.2022
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|a published: Print
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|a Citation Status MEDLINE
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|a A large pool of ammonia in mature leachate is challenging to treat with a membrane bioreactor system to meet the discharge Standard for Pollution Control on the Landfill Site of Municipal Solid Waste in China (GB 16889-2008) without external carbon source addition. In this study, an engineering leachate treatment project with a scale of 2,000 m3/d was operated to evaluate the ammonia heat extraction system (AHES), which contains preheat, decomposition, steam-stripping, ammonia recovery, and centrifuge dewatering. The operation results showed that NH3-N concentrations of raw leachate and treated effluent from an ammonia heat extraction system (AHES) were 1,305-2,485 mg/L and 207-541 mg/L, respectively. The ratio of COD/NH3-N increased from 1.40-1.84 to 7.69-28.00. Nitrogen was recovered in the form of NH4HCO3 by the ammonia recovery tower with the introduction of CO2, wherein the mature leachate can offer 37% CO2 consumption. The unit consumptions of steam and power were 8.0% and 2.66 kWh/m3 respectively, and the total operation cost of AHES was 2.06 USD per cubic metre of leachate. These results confirm that heat extraction is an efficient and cost-effective technology for the recovery of nitrogen resource from mature leachate
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|a Journal Article
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|a Solid Waste
|2 NLM
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|a Water Pollutants, Chemical
|2 NLM
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|a Nitrogen
|2 NLM
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|a N762921K75
|2 NLM
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|a Zhang, Chen
|e verfasserin
|4 aut
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|a He, Pinjing
|e verfasserin
|4 aut
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|a He, Jun
|e verfasserin
|4 aut
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|a Dai, Xiaodong
|e verfasserin
|4 aut
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|a Li, Wudong
|e verfasserin
|4 aut
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|a Yang, Xiaoying
|e verfasserin
|4 aut
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| 700 |
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|a Li, Xueting
|e verfasserin
|4 aut
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|a Huang, Xiaowen
|e verfasserin
|4 aut
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| 700 |
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|a Feng, Jia
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Water science and technology : a journal of the International Association on Water Pollution Research
|d 1986
|g 85(2022), 2 vom: 31. Jan., Seite 549-561
|w (DE-627)NLM098149431
|x 0273-1223
|7 nnas
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| 773 |
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|g volume:85
|g year:2022
|g number:2
|g day:31
|g month:01
|g pages:549-561
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|u http://dx.doi.org/10.2166/wst.2022.003
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