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231226s2024 xx |||||o 00| ||eng c |
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|a 10.1080/09593330.2023.2283090
|2 doi
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2 |
|a pubmed25n1214.xml
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|a (DE-627)NLM36462423X
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|a (NLM)37970842
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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 Zhang, Qiming
|e verfasserin
|4 aut
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| 245 |
1 |
0 |
|a Pressurized electro-osmotic dewatering treatment of sludge
|b focusing on the influences on nutrients for agricultural application
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|c 2024
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| 336 |
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|a Text
|b txt
|2 rdacontent
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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 Completed 05.09.2024
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|a Date Revised 05.09.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Sewage sludge requires effective dewatering and high nutrients retention before disposal for agricultural application. Pressurized electro-osmotic dewatering (PEOD) process with low energy consumption can effectively remove water from sludge, but the influences of PEOD process on nutrients for agricultural application still lacks in-depth research. In this study, the influences of PEOD process on nutrients for agricultural application were investigated, including organic matter, nitrogen, phosphorus, potassium and silicon contents. Layered experiments were conducted to investigate the layered variation of nutrients in sludge and to understand the potential change mechanisms. The experimental results showed that PEOD process caused small losses (<10%) of organic matter and total phosphorus (TP) in sludge, but caused 11.2-18.4% loss of total nitrogen (TN). PEOD process also caused 18.6-27.0% loss of total potassium (TK) and over 80% loss of available potassium in sludge, and could weaken the potential salt damage during the agricultural application of sludge. Furthermore, the available phosphorus content of sludge in the anode area increased significantly after the PEOD process, indicating that PEOD process could enhance the phosphorus bioavailability of sludge in the anode area. Besides, PEOD process caused a slight loss of silicon components in sludge, but improved the long-term silicon dissolution and release ability of sludge. This work could expand the knowledge about the influences of PEOD process on sludge nutrients and provide scientific guidance for the agricultural application of PEOD sludge
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4 |
|a Journal Article
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4 |
|a Agricultural application
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4 |
|a Phosphorus speciation
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| 650 |
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4 |
|a Pressurized electro-osmotic dewatering
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4 |
|a Silicon species
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| 650 |
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4 |
|a Sludge nutrients
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| 650 |
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7 |
|a Sewage
|2 NLM
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| 650 |
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7 |
|a Phosphorus
|2 NLM
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| 650 |
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7 |
|a 27YLU75U4W
|2 NLM
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| 650 |
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7 |
|a Potassium
|2 NLM
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| 650 |
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7 |
|a RWP5GA015D
|2 NLM
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| 650 |
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7 |
|a Nitrogen
|2 NLM
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| 650 |
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7 |
|a N762921K75
|2 NLM
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| 650 |
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7 |
|a Silicon
|2 NLM
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| 650 |
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7 |
|a Z4152N8IUI
|2 NLM
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| 700 |
1 |
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|a Tang, Tian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cui, Guodong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Zheng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Yangsheng
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Environmental technology
|d 1993
|g 45(2024), 23 vom: 01. Sept., Seite 4805-4819
|w (DE-627)NLM098202545
|x 1479-487X
|7 nnas
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| 773 |
1 |
8 |
|g volume:45
|g year:2024
|g number:23
|g day:01
|g month:09
|g pages:4805-4819
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| 856 |
4 |
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|u http://dx.doi.org/10.1080/09593330.2023.2283090
|3 Volltext
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