Table 4

CO₂/AIRFLOW RATE Lit/min	% CO₂	INLET CO₂ (in ppm)	OUTLET CO₂ (in ppm)	pH of media	Biomass Concentration (g/L)	Biomass Productivity (g/Lday)
0.00	0%	450 ppm (Ambient conc.)	450 ppm (Ambient conc.)	8.45 – 10.00	0.802	0.038
0.01/0.1	9.09%	>5000	540	8.36 – 9.82	0.96	0.053
0.02/0.1	16.67	>5000	675	8.47 – 9.54	0.1091	0.071
0.03/0.1	23.08%	>5000	1400	8.52 – 8.92	0.855	0.045

Table 4: Effect of varying carbon dioxide percentage on the outlet CO₂ concentration, pH change and biomass productivity of the culture medium.