Index
Anaerobic wastewater plant,
necessary sludge age 288
Anaerobic wastewater treatment 285
contact process 290
sludge separation techniques 290
Annual variation 216
Anoxic zone 238, 268
Apatite 314
Arabic sludge age 125
Assimilation 196,229
Assimilation, nitrogen 68
Average hourly flow rate 11
B
Backwash 247
Backwashing 170
Bacteria 56
Bacterial floes 247
BAF, biological filters 241
Batch experiment 265
Biochemical oxygen demand 40
Biofilm 205,247
characteristics 180
diffusion 155
kinetic parameters 151
kinetics 225
plant 199
reactor 167
surface area 166
thickness 236
Biofilms 143, 151
Biofilters 56, 143, 167, 197,210,215,223,
232,233,236,241,247,254,255,268
design 173
half order rate constants 177
technical conditions 179
with recycle 165
without recycle 164
Biofilters for denitrification 265
Bioflocs 151
Biological denitrification 229
Biological growth 63
Biological phosphorus removal 44, 95 ,
71,340,343
376
design 279
external carbon source 278
kinetics 98
mass balances 273
optimization of plant operation 283
plant types 276
reactions 95
yield constant 97
Biological treatment plants 55
Biomass 151,250,262
balance 237
concentration 120
Biosorption plant 133
Bisubstrate model 62
Bloodworm 57
BOD, dilution method 40
BOD-analysis 40
BODIN ratio 249
BODs 40
Bubble formation 181, 257, 270
c
C/N ratio 249, 260
Calcium, precipitation 318
Carbohydrate 66
Carrier materials 164, 166, 173
filter medium 167
Central Europe 229
Characteristic equation 145
Characterization
activated sludge 261
wastewater 261
Chemical denitrification 229
Chemical oxygen demand 43
Chemical precipitation 229
operational problems 346
Chironomus 57
Chlorinated hydrocarbons 65
Ciliatea 57
Clogging 167,168,169,181,182,270
Coagulation 319
COD/N ratio 250
COD/IN-ratio 215
CODp 43