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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2023.06.013
|2 doi
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|a pubmed25n1194.xml
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|a (DE-627)NLM358328187
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|a (NLM)37331265
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|a (PII)S0956-053X(23)00443-9
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|a DE-627
|b ger
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|e rakwb
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|a eng
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|a Qaramaleki, Saeed V
|e verfasserin
|4 aut
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|a Phosphorus recovery from aqueous product of hydrothermal carbonization of cow manure
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|c 2023
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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 22.08.2023
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|a Date Revised 22.08.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2023 Elsevier Ltd. All rights reserved.
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|a The work studies the recovery of nutrients (phosphorus and nitrogen) from the process water of acid-assisted hydrothermal carbonization (HTC) of cow manure. Three organic acids (formic acid, oxalic acid, and citric acid) and sulfuric acid were evaluated as additives in HTC. Using 0.3 M sulfuric acid, more than 99% of phosphorus and 15.6% of nitrogen from manure are extracted and dissolved during HTC at 170 °C with 10 min reaction time in a batch reactor. Nutrients (mainly phosphorus) were recovered through precipitation from process water by raising the ionic strength of the solution by addition of salts of magnesium and ammonia, and by raising the pH to 9.5. Subsequently, phosphorus-rich solids were recovered containing almost all (greater than 95%) of the dissolved phosphorus in the sulfuric and formic acid assisted runs. Morphology and qualitative chemical analysis of the precipitates were determined. It is shown by XRD that the precipitate formed from process water generated by HTC with oxalic acid is crystalline, although the diffraction pattern could not be matched with any expected substance
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|a Journal Article
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|a Circular economy
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|a Crystallization
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|a Hydrothermal treatment
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|a Mineral recycling
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|a Precipitation
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|a Waste to chemicals
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|a Phosphorus
|2 NLM
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|a 27YLU75U4W
|2 NLM
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|a Manure
|2 NLM
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|a Water
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|a 059QF0KO0R
|2 NLM
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|a Nitrogen
|2 NLM
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|a N762921K75
|2 NLM
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| 650 |
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|a sulfuric acid
|2 NLM
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|a O40UQP6WCF
|2 NLM
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| 650 |
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|a Sulfuric Acids
|2 NLM
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|a Carbon
|2 NLM
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|a 7440-44-0
|2 NLM
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|a Mohedano, Ángel F
|e verfasserin
|4 aut
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|a Coronella, Charles J
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Waste management (New York, N.Y.)
|d 1999
|g 168(2023) vom: 01. Aug., Seite 301-310
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnas
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| 773 |
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|g volume:168
|g year:2023
|g day:01
|g month:08
|g pages:301-310
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|u http://dx.doi.org/10.1016/j.wasman.2023.06.013
|3 Volltext
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|d 168
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