activated sludge-biofilm co-exist system的用法和样例：
- The enhanced hybrid biofilm and activated sludge system (EHYBFAS) consists of pre-treatment unit, bio-reactor and sedimentation unit.
- The operational effect of Moving Bed Biofilm Reactor (MBBR) and activated sludge reactor under the same energy of lower input was studied .
- Physico-chemical parameters of Baoding Lugang Sewage Treatment Plant activated sludge system were predicted based on microfauna.
- The research is on the biodegradation of the hoggery’s wastewater before the hanging of the microbes to domesticate the activated sludge in a sequencing batch biofilm reactor (SBBR).
- Over 300 strains of bacteria have been found in activated sludge.