Activated Sludge: Theory and PracticeActivated sludge is the most widely used biological wastewater treatment process in the world, both for domestic and industrial purposes. This book reviews the major theoretical concepts and practical operational factors, and describes the complexities inherent in the process, which depends on a dense microbial population mixed in wastewater under specific aerobic conditions. It is an ideal reference source for scientists, and a useful troubleshooting guide for practicing engineers and plant operators. |
Contents
Introduction | 1 |
Microbial theory and kinetics | 8 |
Flocculation | 28 |
Copyright | |
18 other sections not shown
Common terms and phrases
activated sludge plants activated sludge process activated sludge systems aeration system aeration tank aerobic anaerobic anoxic zone biological biomass BOD removal bubbles cells cent chemical ciliates coagulation completely mixed conventional activated sludge Curds denitrification diffusion dissolved oxygen concentration Euplotes extended aeration filamentous filamentous micro-organisms filamentous organisms final effluent floc-forming flocculation flocs flow foam heterotrophic high-rate hydrossis increase influent wastewater Jenkins kg BOD maximum micro-organisms mixed liquor MLSS concentration nitrification nitrifying bacteria nitrogen Nitrosomonas Nocardia normal nutrient operation Opercularia organic loading oxidation ditches oxygen demand oxygen transfer parvicella percolating filters phosphorus primary sedimentation problem protozoa reactor recycle reduced returned sludge rotifers sedimentation tank settlement settling sewage sludge age sludge flocs sludge loading Sludge return species specific growth rate SSVI substrate concentration Suctoria surface suspended solids temperature treatment plants Trichome Type Vorticella Vorticella convallaria Water Pollution Water Pollution Control