Table 2.

Residual Concentration (RC), Removal Efficiency (RE) and Salt Addition of Total Dissolved Solid (TDS) in the Treated Oily Wastewater during the Batch Treatment.

Time (Days)	Control		R4		R19		Mixed Culture
	RC	RE (%)	RC	RE (%)	RC	RE (%)	RC	RE (%)
0	1220 mg/l
1	790	35.25	1800	−47.54	1820	−49.18	1870	−53.28
2	790	35.25	1830	−50.00	1840	−50.82	1890	−54.92
3	790	35.25	1850	−51.64	1840	−50.82	1890	−54.92
4	800	34.43	1880	−54.10b	1900	−55.74b	1940	−59.02b
5	770	36.89	690	43.44a	1870	−53.28	1800	−47.54 c
7	740	39.34a	1840	−50.82	1700	−39.34c	1900	−55.74

^aThe Highest Removal Efficiency (RE%), ^bThe Highest Salt Addition ( SA%).^cThe Lowest Salt Addition (SA %).