Fig. 1

Effects of steelmaking slag on Arthrospira platensis culture. a Growth profile, b pH change during culture. (●) Control, (▲) 0.05 g/L SMS, (□) 0.5 g/L SMS, (○) 5 g/L SMS
Effects of steelmaking slag on Arthrospira platensis culture. a Growth profile, b pH change during culture. (●) Control, (▲) 0.05 g/L SMS, (□) 0.5 g/L SMS, (○) 5 g/L SMS