Presentation: Geochemical Principals Affecting CCR Constituents in Groundwater

May 24, 2019

Presented at the World of Coal Ash 2019 Conference—this paper provides an overview of geochemical principles that control groundwater chemistry relevant to coal combustion residuals (CCR)

By Jennifer Kolbe

 

CCR have a characteristic mineralogy and chemical composition that is distinct from natural soils. The composition and properties of CCR are initially defined by the source of the coal and the processes used in coal combustion. As CCR age and weather in contact with groundwater, the geochemistry of the combined soil, CCR, and groundwater system controls the groundwater chemistry. Groundwater data from CCR sites is used as examples to demonstrate the complex geochemical interactions among variables.

 

About the Author

Jennifer Kolbe, PhD is an expert in metals behavior and aquatics chemistry with a strong understanding of subsurface hydrology, especially as it relates to sorption, biodegradation, and transport in soil and groundwater. She is considered a leader in the environmental industry by her peers.

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