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20250714103858.0 |
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250714s2025 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2025.114898
|2 doi
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|b ger
|c DE-627
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|a eng
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| 100 |
1 |
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|a Xu, YuJiong
|e verfasserin
|4 aut
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|a Extending from reutilization to by-product service
|b A life-cycle environmental, economic, and risk assessment of heavy metal-containing hazardous waste recycling
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|c 2025
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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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|a Date Revised 20.05.2025
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|a published: Print-Electronic
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|a Citation Status Publisher
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|a Copyright © 2025 Elsevier Ltd. All rights reserved.
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|a The application of waste-derived construction materials represents a critical pathway for high-value reutilization of inorganic heavy metal-containing hazardous wastes, but still poses uncertain environmental risks from residual pollutants within by-products. However, current feasibility assessments of emerging technologies focus primarily on environmental and economic comparative analyses,fails to adequately address the acceptability of potentially pollutant leaching during long-term by-product service, rendering it insufficient. To address this gap, this study presents an extended life-cycle environmental, economic, and risk assessment framework that includes both the reutilization process and the long-term service phase of waste-derived by-products. Using municipal solid waste incinerator fly ash (MSWI FA) as a case, three utilization pathways are evaluated with the proposed framework: (1) co-sintering with zinc-containing waste (FA-SZn), (2) dioxin degradation followed by water-washing (FA-Wash), and (3) co-processing in cement kilns for clinker production (FA-Clinker). Results show that, the emerging FA-SZn outperforms industrialized FA-Wash and FA-Clinker due to the benefits of metal recovery in terms of environmental and economic performance. Additionally, risk assessment demonstrates that FA-SZn-derived supplementary cementitious materials are safer for roadway applications than FA-Wash, with 25.32-49.38% and 39.75-78.80% reductions in non-carcinogenic and carcinogenic risks, respectively. These findings highlight the advantages of emerging MSWI FA reutilization pathway and provide a comprehensive framework for quantifying life-cycle benefits in heavy metal-containing hazardous waste reutilization, supporting sustainable and safe waste recovery strategies
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|a Journal Article
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|a Environmental-economic performance
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| 650 |
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|a Hazardous waste recycling
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| 650 |
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|a Health risk
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| 650 |
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|a Heavy metal
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| 650 |
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|a Incineration fly ash
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| 650 |
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|a Sustainable decision-making
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| 700 |
1 |
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|a Xu, Xiaojiao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wen, Long
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Yao
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Waste management (New York, N.Y.)
|d 1999
|g 203(2025) vom: 19. Mai, Seite 114898
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnas
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| 773 |
1 |
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|g volume:203
|g year:2025
|g day:19
|g month:05
|g pages:114898
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| 856 |
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|u http://dx.doi.org/10.1016/j.wasman.2025.114898
|3 Volltext
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