A coupled reactive transport model for contaminant leaching from cementitious waste matrices accounting for solid phase alterations

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Abstract

Cementitious binders are commonly used to solidify/stabilize hazardous wastes prior to disposal in multi-barrier engineered disposal facilities or landfills. Because they are not in equilibrium with other materials in a landfill, cementitious materials usually degrade with time. Reactive transport models may be used to estimate the possible effects of changing geochemical conditions on the transport properties of the cementitious materials, the leaching of chemotoxic elements from the waste form, and alterations of the sorption properties of surrounding materials due to leaching of cement components

Details

Original languageEnglish
Title of host publicationProceedings of the 13th International Waste Management and Landfill Symposium
Place of PublicationPadova, Italy
Pages1-8
Volume1
Publication statusPublished - Oct 2011
EventSARDINIA 2011 - 13th International Waste Management and Landfill Symposium - IWWG - International Waste Working Group, S. Margherita di Pula (Cagliari), Sardinia, Italy
Duration: 3 Oct 20117 Oct 2011

Conference

ConferenceSARDINIA 2011 - 13th International Waste Management and Landfill Symposium
Country/TerritoryItaly
CityS. Margherita di Pula (Cagliari), Sardinia
Period2011-10-032011-10-07

Keywords

  • cementitious materials, landfilling, reactive transport, HP1, degradation

ID: 83902