Samples
Oil contents (mgL
-1
)
Phenol (ppm)
Untreated
Treated
Untreated
Treated
January
140
90
1.20
0.30
February
480
148
2.67
0.42
March
580
267
3.71
0.78
April
260
114
1.73
0.33
May
344
194
2.15
0.32
June
378
186
2.39
0.49
Table 2:
Determination of oil and phenol in waste water before and after treatment of refinery waste water via bacterial consortium.
