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Table 3

Turbidity, COD and extractable oil contents of the supernatants and the sediment volumes

No.Added materialsTurbidity (NTU)COD (mg L−1)Extractable oil content (mg L−1)Sediment volume (mL)
– – 333 357 26 – 
100 mg L−1 Bent.
+ 20 mg L−1 Al3+ + 0,5 mg L−1 PE 
158 15 
100 mg L−1 Bent. + HTABr
+ 20 mg L−1 Al3+ + 0,5 mg L−1 PE 
156 13 
500 mg L−1 Bent. + HTABr
+ 20 mg L−1 Al3+ + 0,5 mg L−1 PE 
156 11 
2,000 mg L−1 Bent. + HTABr
+ 20 mg L−1 Al3+ + 0,5 mg L−1 PE 
154 20 
No.Added materialsTurbidity (NTU)COD (mg L−1)Extractable oil content (mg L−1)Sediment volume (mL)
– – 333 357 26 – 
100 mg L−1 Bent.
+ 20 mg L−1 Al3+ + 0,5 mg L−1 PE 
158 15 
100 mg L−1 Bent. + HTABr
+ 20 mg L−1 Al3+ + 0,5 mg L−1 PE 
156 13 
500 mg L−1 Bent. + HTABr
+ 20 mg L−1 Al3+ + 0,5 mg L−1 PE 
156 11 
2,000 mg L−1 Bent. + HTABr
+ 20 mg L−1 Al3+ + 0,5 mg L−1 PE 
154 20 
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