Communications in Applied Agricultural and Applied Biological Sciences
Symposium on applied biological sciences edition:17 location:Leuven, Belgium date:10 February 2012
Microalgae are unicellular aquatic organisms that receive much interest as a potential source of biofuels or bulk protein. To realize this, a significant reduction of production cost is needed and therefore cost-efficient harvesting methods are required. Our goal is to develop and evaluate different types of flocculation to recover microalgal biomass. We already achieved promising results based on different flocculation techniques both for freshwater (C. vulgaris, S. obliquus) and marine species (P.tricornutum, N. salina): pH induced, chemical (cationic starch) and electro-flocculation. In this presentation, the occurring mechanism and the effect of growth phase and salinity will be explained. Practical implications such as cost, medium recycling and contamination risks will be discussed.