The production of bioenergy from renewable biomass could prove to be a solution for global warming and provide an alternative fuel source for petroleum. Producing oil from microalgae is feasible, but, because of high production costs, it is still not economically viable.  Contributing costs include those associated with algae storage to maintain biological activity and transportation.  Water-in-oil emulsions allow algae to be produced off-site by an independent �seed� producer, stored until purchased, and then delivered to the grower. In this study emulsions were prepared with different oil dispersible surface modified particles in order to investigate release kinetics and improve storage stability. We found that emulsions containing Aerosil R974, Bentone 38, and Bentone 150 were physically stable up to 365 days of storage at room temperature.  The concentration of particles in the continuous phase had a significant effect on the stability and cell viability of the W/O emulsion.

Biological stability and delivery studies to elucidate the role of thickener solid particles on water-in-oil emulsion containing microalgae

242nd National Meeting (2011)

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