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| Gas interaction indices indicating the effects of BTXS on biodegradation of T, S or X in different mixture | |||
|---|---|---|---|
| BTF3 | BTF2 | BTF1 | |
| X | S | T | |
| +B | -0.69 | -0.64 | -0.58 |
| +T | -0.78 | -0.76 | - |
| +S | -0.73 | - | -0.71 |
| +X | - | -0.72 | -0.61 |
B: benzene; T: toluene; X: xylene; S: styrene; BTF: Biotrickling filter.
