Oil and Grease Removal from Industrial Wastewater Using New Utility Approach

Table 1

Characteristic of wastewater and sludge.

Parameter	Unit	Industrial wastewater	Sludge
Temp.	°C	18.9	20.1
pH	—	8.4	8.81
EC	mmhos/cm	2.34	3.14
TSS	mg/L	132	345
TDS	mg/L	1503	2041
D.O	mg/L	3.2	1.35
COD	mg/L	572	3100
BOD	mg/L	388	400
TOC	mg/L	60.1	300
Oil and grease	mg/L	292.4	0.005
Total coliform	CFU/100 mL	645 × 10^3	245 × 10^7