Processes controlling the variations of pH, alkalinity, and CO2 partial pressure in the porewater of coal ash disposal site.


Alkalinity, pH, and pCO2 are generally regarded as the most important parameters affecting trace element leaching from coal ashes. However, little is known about how those parameters are actually regulated in the field condition. This study investigated the processes controlling those parameters by observing undisturbed porewater chemistry in a closed ash… (More)
DOI: 10.1016/j.jhazmat.2010.04.089


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