Utilization of Wastewater as a Nutritional Source for the Production of Algal Biomass

Table 2

Examination results of biochemical analysis in treated water.

Parameters	Industrial sludge water	Admissible limit	Control	This study
Temperature	68^o	95°C	—	—
Color	Brown, yellowish	Black	Dark	Green
pH	6	9	8.22	8.02
Hardness	155 mg/L	330 mg/L	102	89
TDS	250 mg L^−1	850 mg L^−16	1622	1088
Chloride	745.25 ppm or mg/L	40 to 50 mg/L	—	—
Sulfate	250 mg/L	500 mg/L	46	44
DO	6.5-8 mg/L	4-5 ppm	1.7	1.2
COD	100 mg/L	60,000 mg/L	160	130.2
BOD	10 mg/L	300 mg/L	180	110