activited sludge modle的用法和样例：
- By experimental study on effects of coking sewage pretreated by ferrous sulphate on activited sludge process,suitable operating conditions were presented.
- Several azo dyes decolorizing bacterial strains which were capable of denitrifying were isolated from activited sludges.
- Keywords straw pulps;activited sludge treatment/alkaline black liquor;recalcitrant wastewater;
- Activited sludge