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231225s2020 xx |||||o 00| ||eng c |
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|a 10.2166/wst.2020.169
|2 doi
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|a pubmed25n1050.xml
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|a eng
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1 |
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|a Tang, Xianchun
|e verfasserin
|4 aut
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|a Full-scale semi-centralized wastewater treatment facilities for resource recovery
|b operation, problems and resolutions
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|c 2020
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 21.09.2020
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|a Date Revised 07.12.2022
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|a published: Print
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|a Citation Status MEDLINE
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|a The first full-scale semi-centralized wastewater treatment and resource recovery system based on source separation was implemented from 2014. To assess the operation performance, operating costs and resolve the problems faced in this system, the latest operation data from April 2017 to September 2018 was investigated. The results show that greywater and blackwater modules exhibited good removal performance for organics and nutrients, although misconnection between pipelines existed and influent loading rates fluctuated. The effluent could meet reuse standards. The biogas production rates of raw sludge could reach 7.27-10.9 m3 gas·per cubic raw sludge. The specific cost of treated water was higher than in a conventional treatment system. Power consumption made a major contribution to the total cost with a proportion of 55.3-94.2%. After optimizing and considering the comprehensive efficiencies, the costs would be affordable. The dewatered sludge of the anaerobic digestion module has been applied to agricultural and landscaping soil. It is suggested that organics in blackwater could be recovered as volatile fatty acids with high-efficiency anaerobic fermentation and used as an external carbon source for short-cut biological nitrogen removal. In conclusion, the semi-centralized system will be a feasible and sustainable alternative for conventional treatment systems in future
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|a Journal Article
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|a Fatty Acids, Volatile
|2 NLM
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|a Sewage
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|a Waste Water
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|a Nitrogen
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|a N762921K75
|2 NLM
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|a Wen, Yexuan
|e verfasserin
|4 aut
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|a He, Yi
|e verfasserin
|4 aut
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|a Jiang, Haixin
|e verfasserin
|4 aut
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|a Dai, Xiaohu
|e verfasserin
|4 aut
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|a Bi, Xuejun
|e verfasserin
|4 aut
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|a Wagner, Martin
|e verfasserin
|4 aut
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|a Chen, Hongbin
|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 82(2020), 2 vom: 17. Juli, Seite 303-314
|w (DE-627)NLM098149431
|x 0273-1223
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|g volume:82
|g year:2020
|g number:2
|g day:17
|g month:07
|g pages:303-314
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|u http://dx.doi.org/10.2166/wst.2020.169
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