Fig. 1

Biomass concentration (a) and maximum growth rate (b) of Chlorella sorokiniana SDEC-18 grown in BG11 and seawater supplemented with different volume percentages (0, 1, 3, 5, 8, and 15%) of anaerobically digested effluent from kitchen waste. *Data followed by different letters are significantly different by Duncan’s test at p < 0.05