Abatement of Azo Dye from Wastewater Using Bimetal-Chitosan

Table 6

The quality of simulated wastewater before and after treatment with BCP (OII concentration 100 mg/L, pH 6.8, contact time 20 min, and BCP dosage 1 mg/L).

Wastewater parameter	Unit	Value
		Raw wastewater	BCP-treated wastewater
OII dye	mg/L	100	<3
TOC	mg/L	54.9	52.1
pH	—	6.82	7.97
Temperature	°C	22	23
Turbidity	NTU	5	3
Nitrate	mg/L	12	4
UV254 absorption	Absorbance (1/cm)	0.15	0.005
EC	μS/cm	432	428