Biological Treatment of Textile Effluent Using Candida zeylanoides and Saccharomyces cerevisiae Isolated from Soil

Table 2

Physicochemical characteristics of the textile effluent.

Sample parameters	Unit	Raw effluent	Candida zeylanoides			S. cerevisiae			Consortium
			Day 5	Day 10	Day 15	Day 5	Day 10	Day 15	Day 5	Day 10	Day 15
Turbidity	NTU	309	182	313	58.7	306	342	264	222	147	185
TDS	g/L	9.71	7.30	6.41	5.57	6.42	5.51	5.17	6.41	5.26	4.57
Conductivity	s/cm	14.35	10.89	9.56	8.30	9.54	8.19	7.74	9.60	7.83	6.81
BOD	mg/L	824	780	520	352	684	440	280	814	572	520
COD	mg/L	2060	1950	1300	880	1710	1100	700	2030	1430	1300
Sulphate	mg/L	30.0	30	20	19	57	30	28	26	18	16
PO4	mg/L	2.64	2.45	2.37	2.10	4.75	3.6	3.23	2.48	2.5	2.38
Phosphorus	mg/L	0.86	0.80	0.77	0.69	1.55	1.18	1.05	0.81	0.81	0.78
NO3	mg/L	256.8	187.8	107.6	75.9	124.3	56.4	33.7	101.5	53.2	30.3

TDS: total dissolved solid.
BOD: biological oxygen demand.
COD: chemical oxygen demand.