Fig. 4From: Pre-concentration of microalga Euglena gracilis by alkalescent pH treatment and flocculation mechanism of Ca3(PO4)2, Mg3(PO4)2, and derivativesThe FE of samples with varying E. gracilis cell biomass. FE flocculation efficiency, NS represents p > 0.05. The values represent mean ± S.D. n = 3Back to article page
