- Effect of the coexistence of chlorobenzene homologue on the biodegradation of chlorobenzene for chlorobenzene acclimated sludge.
- By making comparison with the conventional acclimated sludge, it is found that the activated sludge after induced mutation is more suitable for degradation of lignin and with high efficiency.
- A thick, messy substance, such as sludge.
- There was some sludge at the bottom of the tank.
- Repairing technical requirement for sludge pump ca.