Mathematical Modeling and Evaluation of Ifas Wastewater Treatment Processes for Biological Nitrogen and Phosphorus Removal

..................................................................................................................................... 18 Introduction................................................................................................................................ 19 Experimental Methodology ....................................................................................................... 20 Results and Discussion .............................................................................................................. 23 Conclusions................................................................................................................................ 32 References.................................................................................................................................. 34 CHAPTER 4: THE EFFECTS OF ANOXIC MEDIA ON DENITRIFICATION IN IFAS BNR WASTEWATER TREATMENT SYSTEMS.................................................................. 35 Abstract ...................................................................................................................................... 35 Introduction................................................................................................................................ 36 Materials and Methods............................................................................................................... 38 Results and Discussion .............................................................................................................. 42 COD and Nutrient Removals ............................................................................................ 43 Denitrification with step-feed influent flow...................................................................... 48 Denitrification with COD/TP ratio.................................................................................... 52 Denitrification in the aerobic zones .................................................................................. 55 Denitrification with attached biomass............................................................................... 56 Summary and Conclusions ........................................................................................................ 59 References.................................................................................................................................. 61 CHAPTER 5: THE PERFORMANCE OF IFAS WASTEWATER TREATMENT..................................................................................................................................... 35 Introduction................................................................................................................................ 36 Materials and Methods............................................................................................................... 38 Results and Discussion .............................................................................................................. 42 COD and Nutrient Removals ............................................................................................ 43 Denitrification with step-feed influent flow...................................................................... 48 Denitrification with COD/TP ratio.................................................................................... 52 Denitrification in the aerobic zones .................................................................................. 55 Denitrification with attached biomass............................................................................... 56 Summary and Conclusions ........................................................................................................ 59 References.................................................................................................................................. 61 CHAPTER 5: THE PERFORMANCE OF IFAS WASTEWATER TREATMENT PROCESSES FOR BIOLOGICAL PHOSPHORUS REMOVAL ........................................ 63 Abstract ...................................................................................................................................... 63 Introduction................................................................................................................................ 64 Materials and Methods............................................................................................................... 65 Results and Discussion .............................................................................................................. 69..................................................................................................................................... 63 Introduction................................................................................................................................ 64 Materials and Methods............................................................................................................... 65 Results and Discussion .............................................................................................................. 69