3.4. Experiments with remained culture media after flocculation
Reusing of supernatant after separation flocculated biomass microalgae can substantially reduce influence on environment and decrease water loss. This possibility has been demonstrated in several works (Kim et al., 2011 and Wu et al., 2012). In our study, we also investigated this possibility reusing of supernatant (Fig. 5). It has been found that algae C. vulgaris was grown on reusable medium as well as on fresh medium. Thus, supernatant after separation flocculated biomass can be reused for cultivation microalgae.