Given the potential of microalgae for recycling CO2 into bio-products, coupled with the large number of coal-fired power plants in Kentucky, the Commonwealth of Kentucky's Department of Energy Development and Independence tasked the University of Kentucky with determining the technical and economic feasibility of algae-based carbon capture and utilization in Kentucky.  These research efforts have led to the development and on-going deployment of a pilot-scale photobioreactor system at Duke Energy's East Bend station.  This pilot-scale project is focused on process development/improvement, power plant integration, and the implementation of strategies to increase algae growth rates.  The system is continuously monitored and the process data analyzed to gain insights into system dynamics and to improve the operation/design of future units.  In tandem, we have developed a protocol for the harvesting and dewatering of algae (with minimal energy input) based on flocculation-sedimentation. Methodologies have also been developed for lipid extraction (from dry and wet algal biomass) and for the conversion of extracted lipids to liquid hydrocarbons by means of catalytic deoxygenation.

CO<sub>2</sub> recycling using microalgae for the production of liquid fuels

246th National Meeting (2013)

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CO2 recycling using microalgae for the production of liquid fuels

CO₂ recycling using microalgae for the production of liquid fuels