Figure 3From: Freshwater microalgae harvested via flocculation induced by pH decrease Zeta potentials and flocculation efficiencies as function of pH values of growth medium and deionized water: a) Chlorococcum nivale (3.02 g/L); b) Chlorococcum ellipsoideum (3.26 g/L); c) Scenedesmus sp. (4.32 g/L). Back to article page