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240908s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2024.08.039
|2 doi
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|a pubmed25n1256.xml
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|a (NLM)39241558
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|a (PII)S0956-053X(24)00473-2
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Chang, Xinyi
|e verfasserin
|4 aut
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|a Pyrolysis-induced migration and transformation of heavy metals in sewage sludge containing microplastics
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|c 2024
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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
|b cr
|2 rdacarrier
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|a Date Completed 13.09.2024
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|a Date Revised 13.09.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2024. Published by Elsevier Ltd.
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|a Stabilizing heavy metals (HMs) in sewage sludge is urgently needed to facilitate its recycling and reuse. Pyrolysis stands out as a promising method for not only stabilizing these metals but also producing biochar. Our research delves into the migration and transformation of specific HMs (Cr, Mn, Ni, Cu, Zn, As, and Pb) during co-pyrolysis under various conditions, including the presence and absence of microplastics (PVC and PET). We examined different concentrations of these plastics (1 %, 5 %, 10 %, and 15 %) and temperatures (300 °C, 500 °C, and 700 °C). Findings reveal that microplastics, particularly PVC, enhance the migration of Zn and Mn, leading to significant volatilization of Zn and Pb at higher temperatures, peaking at 700 °C. The increase in temperature also markedly influences HM migration, with As showcasing notable loss rates that climbed by 18.0 % and 16.3 % in systems with PET and PVC, respectively, as temperatures soared from 300 °C to 700 °C. Moreover, our speciation analysis indicates that microplastics aid in transforming certain HMs from unstable to more stable forms, suggesting their beneficial role in HM stabilization during pyrolysis. This study significantly enriches our understanding of microplastics' impact on HM behavior in sewage sludge pyrolysis, offering new avenues for pollution control and environmental management strategies
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|a Journal Article
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|a Microplastics
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|a Pyrolysis
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|a Sewage Sludge
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|a Speciation
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|a Stabilization of heavy metals
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|a Sewage
|2 NLM
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|a Metals, Heavy
|2 NLM
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|a Microplastics
|2 NLM
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|a Polyvinyl Chloride
|2 NLM
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| 650 |
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|a 9002-86-2
|2 NLM
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| 700 |
1 |
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|a Wu, Pengfei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chu, Yaozhu
|e verfasserin
|4 aut
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| 700 |
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|a Zhou, Ying
|e verfasserin
|4 aut
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| 700 |
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|a Tang, Yuanyuan
|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 189(2024) vom: 01. Dez., Seite 401-409
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnas
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| 773 |
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|g volume:189
|g year:2024
|g day:01
|g month:12
|g pages:401-409
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|u http://dx.doi.org/10.1016/j.wasman.2024.08.039
|3 Volltext
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