Removal of Nutrients from Fertilizer Plant Wastewater Using Scenedesmus sp.: Formation of Bioflocculation and Enhancement of Removal Efficiency

Table 2

The growth rate, chlorophyll content, and flocculation activity.

	Initial microalgae concentration (mg/L)
	10 ± 0.9	20 ± 1.3	30 ± 1.6	40 ± 1.2	60 ± 1.5
Growth rate/day	0.3 ± 0.03	0.34 ± 0.02	0.36 ± 0.02	0.37 ± 0.03	0.38 ± 0.04
Chlorophyll (mg/L)	13.7 ± 1.8	14.5 ± 1.6	18.2 ± 1.9	19.4 ± 2.3	20.8 ± 2.5
Dry biomass (g/L)	30.5 ± 2.8	35.8 ± 3.3	42.1 ± 2.7	68.3 ± 3.6	70.2 ± 4.9
Flocculation activity (%)	14.2 ± 1.8	23.7 ± 4.3	41.6 ± 2.3	81.5 ± 5.7	88.3 ± 4.1