An Effective Biomass for the Adsorption of Methylene Blue Dye and Treatment of River Water

Table 2

Second sampling done on 06.03.19 for three locations of Yamuna River.

Sampling area	pH	Temperature (°C)	TDS (mg/L)	Conductivity (mΏ cm^-1)	BOD (mg/L)	COD (mg/L)	BOD/COD	Hardness (mg/L)
Katghar
Upstream (50 m)	9.5	24.2	456	1.36	1.93	60	0.032	200
Point stream	9.6	25	463	1.356	3.3	120	0.027	225
Downstream (50 m)	9.6	23.8	455	1.314	2.4	90	0.026	200
Chachar
Upstream (50 m)	9.5	23.4	450	1.32	3.2	148	0.021	210
Point stream	9.6	23.5	455	1.324	6.73	124	0.054	160
Downstream (50 m)	9.6	23.4	446	1.29	5.1	112	0.045	230
Kareli
Upstream (50 m)	9.6	24.2	456	1.3	1.4	45	0.031	200
Point stream	9.5	25	463	1.304	3.6	122	0.029	230
Downstream (50 m)	9.6	23.8	455	1.3	1.26	30	0.042	200