Solidification of MSWI ash at low temperature of 100 °C / Chengchong Shan in Industrial & engineering chemistry research, Vol. 51 N° 28 (Juillet 2012)  

Public ISBD [article]  inIndustrial & engineering chemistry research > Vol. 51 N° 28 (Juillet 2012) . - pp. 9540-9545 Titre : Solidification of MSWI ash at low temperature of 100 °C Type de document : texte imprimé Auteurs : Chengchong Shan, Auteur ; Zhenzi Jing, Auteur ; Li Pu, Auteur Année de publication : 2012 Article en page(s) : pp. 9540-9545 Note générale : Industrial chemistry Langues : Anglais (eng) Mots-clés : Low temperature Ash Solidification Résumé : Municipal solid waste incineration (MSWI) bottom ash could be solidified with fly ash addition at 100 °C, and the flexural strength of solidified specimens reached almost 20 MPa. The strength development was found to be due mainly to C-S―H gel formation. Leaching tests were conducted to determine the amount of heavy metals dissolved from the solidified specimens, and the results showed that, under the hydrothermal conditions of this study, the leaching of heavy metals was very low. As such, it is possible to solidify MSWI ash by 100% (80% bottom ash + 20% fly ash) in a continuous production process with a low cost. ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=26163290 [article] Solidification of MSWI ash at low temperature of 100 °C [texte imprimé] / Chengchong Shan, Auteur ; Zhenzi Jing, Auteur ; Li Pu, Auteur . - 2012 . - pp. 9540-9545. Industrial chemistry Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 51 N° 28 (Juillet 2012) . - pp. 9540-9545 Mots-clés : Low temperature Ash Solidification Résumé : Municipal solid waste incineration (MSWI) bottom ash could be solidified with fly ash addition at 100 °C, and the flexural strength of solidified specimens reached almost 20 MPa. The strength development was found to be due mainly to C-S―H gel formation. Leaching tests were conducted to determine the amount of heavy metals dissolved from the solidified specimens, and the results showed that, under the hydrothermal conditions of this study, the leaching of heavy metals was very low. As such, it is possible to solidify MSWI ash by 100% (80% bottom ash + 20% fly ash) in a continuous production process with a low cost. ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=26163290

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