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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2019.01.045
|2 doi
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|a pubmed25n0990.xml
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|a (NLM)31109574
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|a (PII)S0956-053X(19)30067-4
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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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| 100 |
1 |
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|a Liu, Qiang
|e verfasserin
|4 aut
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|a Phosphorus speciation and bioavailability of sewage sludge derived biochar amended with CaO
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|c 2019
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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 12.09.2019
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|a Date Revised 12.09.2019
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2019 Elsevier Ltd. All rights reserved.
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|a In this study, biochar samples were prepared from the co-pyrolysis of sewage sludge (SS) and CaO to explore the transformation of P speciation in sample. The potential of these biochar as a fertilizer to promote the growth of the plant was also evaluated. The result indicated that CaO addition can greatly facilitate the conversion of non-apatite inorganic phosphorus (NAIP) to apatite inorganic phosphorus (AP, mainly Ca3(PO4)2 and Ca3Mg3(PO4)4). The addition of 10% CaO in feedstock is sufficient to convert SS inherent P into more bioavailable AP. Under such a dosage, AP content in biochar increased by 21.2-33.6% in contrast to CaO free sample at pyrolysis temperature of 500-800 °C, and water-soluble phosphorus (WSP) content decreased to less than 1% of TP. The addition of CaO can also apparently reduce Zn, Mn leaching from biochar. Additionally, hydroponics assay showed that CaO amended SS biochar can promote the growth of rice seedling. The results of this study indicate that preparing CaO amended SS biochar is a technically feasible strategy to utilize P resource in SS
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|a Journal Article
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|a Biochar
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|a CaO amendment
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|a Heavy metals
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|a Phosphorus recovery
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|a Sewage sludge
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|a Sewage
|2 NLM
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|a biochar
|2 NLM
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|a Charcoal
|2 NLM
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|a 16291-96-6
|2 NLM
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|a Phosphorus
|2 NLM
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|a 27YLU75U4W
|2 NLM
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| 700 |
1 |
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|a Fang, Zheng
|e verfasserin
|4 aut
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| 700 |
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|a Liu, Yuan
|e verfasserin
|4 aut
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| 700 |
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|a Liu, Yangyang
|e verfasserin
|4 aut
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| 700 |
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|a Xu, Yunfeng
|e verfasserin
|4 aut
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| 700 |
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|a Ruan, Xiuxiu
|e verfasserin
|4 aut
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|a Zhang, Xiaolei
|e verfasserin
|4 aut
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|a Cao, Weimin
|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 87(2019) vom: 15. März, Seite 71-77
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnns
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| 773 |
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|g volume:87
|g year:2019
|g day:15
|g month:03
|g pages:71-77
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|u http://dx.doi.org/10.1016/j.wasman.2019.01.045
|3 Volltext
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