No. of Exp.

Factors

MTBE Biological Removal Percent

Mixed Culture Type

Initial Concentration of MTBE (ppm)

Incubation Time (h)

Culture Medium Type

1

Indigenous microorganisms

200

24

M9

22.79

2

Indigenous microorganisms

1000

24

NB

2.69

3

Indigenous microorganisms

200

120

NB

17.80

4

Indigenous microorganisms

1000

120

M9

5.00

5

Activated sludge

1000

24

M9

1.31

6

Activated sludge

200

24

NB

2.66

7

Activated sludge

200

120

M9

1.07

8

Activated sludge

1000

120

NB

0.30