Municipal solid waste incineration fly ash stabilization and immovilization into sulfoaluminate cement mortars: physical/mechanical behaviour

López Zaldívar, Óscar; Lozano Díez, Rafael Vicente y Verdú Vázquez, María Amparo (2015). Municipal solid waste incineration fly ash stabilization and immovilization into sulfoaluminate cement mortars: physical/mechanical behaviour. En: "III International Congress on Construction and Building Research (COINVEDI)", 14-16 Dic 2015, Madrid, España. ISBN 978-84-933567-6-7. pp. 111-113.

Descripción

Título: Municipal solid waste incineration fly ash stabilization and immovilization into sulfoaluminate cement mortars: physical/mechanical behaviour
Autor/es:
  • López Zaldívar, Óscar
  • Lozano Díez, Rafael Vicente
  • Verdú Vázquez, María Amparo
Tipo de Documento: Ponencia en Congreso o Jornada (Otro)
Título del Evento: III International Congress on Construction and Building Research (COINVEDI)
Fechas del Evento: 14-16 Dic 2015
Lugar del Evento: Madrid, España
Título del Libro: III International Congress on Construction and Building Research (COINVEDI). Book of extended abstracts
Fecha: 2015
ISBN: 978-84-933567-6-7
Materias:
Palabras Clave Informales: Mortars, Fly ash, Solid urban wastes, Sulfoaluminate cement, Inmovilization
Escuela: E.T.S. de Edificación (UPM)
Departamento: Tecnología de la Edificación
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

The first objective of the research aims to transform the waste formed mainly by calcium hydroxide and calcium hydroxychloride into another limy type material (calcium carbonate material). This is achieved by transforming the high soluble heavy metals chlorides into low soluble carbonates. The second objective focuses on the stabilization and use of this MSWI fly ash as part of the aggregates used in the production of cement mortars. Previous studies emphasize that the mechanical strength of mortars elaborated with Portland cements and the incorporation of fly ash as a partial substitute for the aggregate were significantly affected when compared to the reference mortars. On the contrary,the use of sulfoaluminate cements (CSA) has been demonstrated to be a highly effective way to safely encapsulate hazardous materials without affecting mechanical strength. In addition, CSA was also chosen due to the perception that sulphur content would make the precipitation of heavy metals in the form of sulphides easier.

Más información

ID de Registro: 41821
Identificador DC: http://oa.upm.es/41821/
Identificador OAI: oai:oa.upm.es:41821
URL Oficial: https://www.edificacion.upm.es/congresos/III_coinvedi/
Depositado por: Memoria Investigacion
Depositado el: 20 Abr 2017 12:36
Ultima Modificación: 20 Abr 2017 12:36
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