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20240216232904.0 |
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240215s2024 xx |||||o 00| ||eng c |
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|a 10.2166/wst.2024.013
|2 doi
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|a pubmed24n1296.xml
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|a (DE-627)NLM368485978
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|a (NLM)38358496
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Kamiyama, Yudai
|e verfasserin
|4 aut
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|a Recovery of phosphorus, magnesium, and potassium from surplus activated sludge using existing sludge treatment facilities and thickened primary sludge
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|c 2024
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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 16.02.2024
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|a Date Revised 16.02.2024
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|a published: Print
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|a Citation Status MEDLINE
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|a The separation of P, K, and Mg from surplus activated sludge (SAS) was investigated using existing sludge treatment facilities and the thickened primary sludge (TPS). The addition of the TPS to the SAS storage tank accelerated the anaerobic release of the three elements from SAS with maximum efficiencies of about 60%. The efficiency of P release showed a significant correlation with the oxidation-reduction potential. Increasing the total solid concentration increased the release of elements. The released elements could be transferred to a separate liquid (SL) from a screw-press thickener, and maximum concentrations of P, K, and Mg were about 200, 60, and 35 mg/L, respectively. The addition of CaCl2 and NaOH solutions to SL precipitated P as hydroxyapatite. However, no precipitation of K and Mg occurred simultaneously with P, even when the pH of SL was increased to 9. These findings suggest that about 60% of P, K, and Mg can be separated from SAS into SL using existing sludge treatment facilities and TPS; however, a method other than precipitation would be needed to recover P and K from SL simultaneously
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|a Journal Article
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|a Magnesium
|2 NLM
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|a I38ZP9992A
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|a Sewage
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|a Phosphorus
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|a 27YLU75U4W
|2 NLM
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|a Potassium
|2 NLM
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| 650 |
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|a RWP5GA015D
|2 NLM
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|a Shiraiwa, Takuya
|e verfasserin
|4 aut
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|a Ishikawa, Nao
|e verfasserin
|4 aut
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|a Takahashi, Shinji
|e verfasserin
|4 aut
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|a Sasamoto, Makoto
|e verfasserin
|4 aut
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|a Sasaki, Masayuki
|e verfasserin
|4 aut
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|a Watanabe, Toru
|e verfasserin
|4 aut
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|a Ito, Ayumi
|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 89(2024), 3 vom: 01. Feb., Seite 670-681
|w (DE-627)NLM098149431
|x 0273-1223
|7 nnns
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| 773 |
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|g volume:89
|g year:2024
|g number:3
|g day:01
|g month:02
|g pages:670-681
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|u http://dx.doi.org/10.2166/wst.2024.013
|3 Volltext
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|d 89
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|h 670-681
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