Modelling leaching of inorganic contaminants from cementitious waste matrices

Evelien Martens, Diederik Jacques, Dirk Mallants, Lian Wang

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Abstract

Experimental data from leaching tests have been modelled with the geochemical code PHREEQC. The following objectives were achieved: (i) the main solubility controlling minerals for matrix elements (Ca, Mg, Al and Si) and for one heavy metal (Pb) were identified; (ii) the effect of carbonation on leaching of major elements and lead was simulated; (iii) the importance of including solid solutions and surface complexation for simulation of lead leaching was indicated.
Original languageEnglish
Awarding Institution
  • KU Leuven
Supervisors/Advisors
  • Swennen, Rudy, Supervisor, External person
  • Van Gerven, Tom, Supervisor, External person
  • Jacques, Diederik, Supervisor
  • Mallants, Dirk, Supervisor
  • Wang, Lian, Supervisor
Place of PublicationLeuven, Belgium
Publisher
StatePublished - Jun 2007

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