1. MEMBRANE BIOREACTORS AS - MBR Vs MBBR - UF EEC GLOBAL OPERATION By: C.S. Umre Technical Director

3. TO AVOIDE LOW FOULING CONDITIONS IN AS - MBR MBR HIGH MEMBRANE FOULING ENVIRONMENT HIGH ENERGY CONSUMPTION INTENSIVE PRESCREENING & DISPOSAL LARGE EQUALIZATION BASIN HIGH MEMBRANE AREA SUBSTANTIAL OPERATOR TRAINING

12. ENERGY CONSUMPTION COMPARISION 9% 9% MISCLLANEOUS 17% 35% PROCESS AIR BLOWERS NOT REQUIRED 18% RECIRCULTION PUMPS NOT REQUIRED 38% MEMBRANE AIR BLOWER MBBR - UF AS - MBR 26% 100% TOTAL

13. MBR AND MBBR – MBR COMPARISION MODERATE MODERATE FOOT PRINT MODERATE LOW PEAK F:OW TOLERANCE LOW HIGH SCREENING REQUIREMENTS HIGH LOW OXYGEN TRANSFER EFF. NIL HIGH AIR SCOUR ENERGY NIL HIGH RECIRCULATION ENERGY MODERATE HIGH MEMBRANE COST MODERATE HIGH MEMBRANE REQUIREMENT MODERATE LOW MEMBRANE FLUX LOW HIGH MLSS MEMBRANE FOULING MBBR – UF AS - MBR