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NLM373866526 |
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20240620233937.0 |
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240620s2024 xx |||||o 00| ||eng c |
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7 |
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|a 10.1080/09593330.2024.2369277
|2 doi
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5 |
2 |
|a pubmed24n1446.xml
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|a (DE-627)NLM373866526
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|a (NLM)38898673
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Zhou, Bo
|e verfasserin
|4 aut
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| 245 |
1 |
0 |
|a Improving bio-conditioning dewatering performance of food waste anaerobic digestate at low ambient temperatures by heating treatment
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| 264 |
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1 |
|c 2024
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| 336 |
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|a Text
|b txt
|2 rdacontent
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| 337 |
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Revised 20.06.2024
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|a published: Print-Electronic
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|a Citation Status Publisher
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|a Food waste anaerobic digestate (FWAD) containing high concentrations of contaminants must be purified or recycled. Bio-conditioning dewatering followed by activated sludge process (BDAS) has emerged as a promising technology for treating FWAD. However, the bio-conditioning dewatering as a pivotal step of BDAS is often negatively affected by low ambient temperatures often occurred in winter. This study investigated the role of heating FWAD in improving the bio-conditioning dewatering performance of FWAD. Batch experiments demonstrated that the bio-conditioning dewatering efficiency increased with temperature rise. Notably, due to the low energy consumption, 50°C was considered to be the most appropriate heating treatment temperature, realizing a drastic reduction of specific resistance to filtration (SRF) of bio-conditioned FWAD from initial 1.24 × 1012 m/kg in the control at a ambient temperature of 10°C to 5.42 × 1011 m/kg and a saving of 25% in bio-conditioning reagents cost. The results of the pilot-scale and large-scale experiments revealed that heating treatment made the bio-conditioning dewatering more stable regardless of the fluctuation of ambient temperature in practical engineering. The decrease in the viscosity of bio-conditioned FWAD and the enhancement in microbial fermentation liquor flocculation capacity through heating treatment played pivotal roles in improving the bio-conditioning dewatering performance of FWAD. This work provides a cost-effective strategy to achieve efficient bio-conditioning dewatering at a relatively low ambient temperature, which was helpful in the engineering application of the novel BDAS process in wastewater treatment
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| 650 |
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4 |
|a Journal Article
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| 650 |
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4 |
|a Food waste anaerobic digestate
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| 650 |
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4 |
|a bio-conditioning dewatering
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| 650 |
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4 |
|a flocculation capacity
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| 650 |
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4 |
|a heating treatment
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| 650 |
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4 |
|a wastewater treatment
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| 700 |
1 |
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|a Zhao, Guangliang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yan, Cheng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Dong, Yan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Dianzhan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liang, Jianru
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Mingjiang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhou, Yujun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Jiansheng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhou, Lixiang
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Environmental technology
|d 1993
|g (2024) vom: 19. Juni, Seite 1-10
|w (DE-627)NLM098202545
|x 1479-487X
|7 nnns
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| 773 |
1 |
8 |
|g year:2024
|g day:19
|g month:06
|g pages:1-10
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| 856 |
4 |
0 |
|u http://dx.doi.org/10.1080/09593330.2024.2369277
|3 Volltext
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|a GBV_USEFLAG_A
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|a SYSFLAG_A
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|a GBV_NLM
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|a GBV_ILN_350
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|a AR
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|j 2024
|b 19
|c 06
|h 1-10
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