A zero-waste process for the management of MSWI fly ashes : production of ordinary Portland cement

Municipal solid waste incineration (MSWI) fly ashes are hazardous waste since they contain organic pollutants, heavy metals and an important amount of various soluble salts. However their chemical composition is interesting for their valorization in cement production. The objective of this paper is...

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Veröffentlicht in:Environmental technology. - 1993. - 41(2020), 9 vom: 01. Apr., Seite 1199-1208
1. Verfasser: Diliberto, Cécile (VerfasserIn)
Weitere Verfasser: Meux, Eric, Diliberto, Sébastien, Garoux, Laetitia, Marcadier, Eric, Rizet, Laurent, Lecomte, André
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:Environmental technology
Schlagworte:Journal Article MSWI fly ash clinker clinkerisation environmental impact leaching test Coal Ash Metals, Heavy Particulate Matter Solid Waste mehr... Carbon 7440-44-0
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520 |a Municipal solid waste incineration (MSWI) fly ashes are hazardous waste since they contain organic pollutants, heavy metals and an important amount of various soluble salts. However their chemical composition is interesting for their valorization in cement production. The objective of this paper is to assess the possibility of MSWI fly ashes reuse as cement raw meal, after pre-treatment, at a laboratory scale. The environmental impact has also been studied (analyses of the metals, of dioxins and furans and leaching tests on clinker produced). Experimental results show that the replacement of MSWI fly ash could be taken up to 30% in the raw mixes, according to the chemical composition of the MSWI fly ashes. This substitution is also to be refined according to the content of hazardous elements contents. This study also shows that the pre-treatment must be well carried out in order to limit the alkaline contents which may affect the quality of the cementitious phases 
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700 1 |a Meux, Eric  |e verfasserin  |4 aut 
700 1 |a Diliberto, Sébastien  |e verfasserin  |4 aut 
700 1 |a Garoux, Laetitia  |e verfasserin  |4 aut 
700 1 |a Marcadier, Eric  |e verfasserin  |4 aut 
700 1 |a Rizet, Laurent  |e verfasserin  |4 aut 
700 1 |a Lecomte, André  |e verfasserin  |4 aut 
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