Page 916 - Fundamentals of Water Treatment Unit Processes : Physical, Chemical, and Biological
P. 916

Index





            A                                   specific substrate utilization rate (U), 735  rational design, 479–481
                                                volumetric loading, 735              reactor theory for packed beds, 473–479
            Abrasion number, 460, 499
            Absolute temperature, 815, 831    Activation, 501                      reaction, 466, 502
                                              Adenosine 5 di-phosphate (ADP), 707  Adsorption zone, 502
                                                      0
            Absorbance, 627, 635
                                                      0
            Acetyl coenzyme A (acetyl CoA), 707  Adenosine 5 -triphosphate (ATP), 708  Advanced oxidation processes (AOP), 656
                                              Adiabatic compression, 806–807, 815  Advanced Water Treatment Research (AWTR)
            Actinometry, 635
            Activated alumina, 459, 499, 519–520, 532  Adsorbates                      program, 464, 502, 656
                                                assess competitive effects of, 484  Advection
            Activated carbon; see also Granular activated
                   carbon; Powdered activated carbon  definition, 457, 501          definition, 501
                                                natural organic matter, 464        kinetics model, 475
              as adsorbent, 458
              characteristics of                organic compounds, 463–464         kinetics model delineation, 475–476
                                              Adsorbents                           probability coefficient, 476
                 hydraulics of packed beds, 462
                 index numbers, 460             activated alumina, 459          Aerated grit chambers
                                                activated carbon                   compressor power, 159
                 internal structure, 460–461
                 microscopic structure, 462        characteristics of granular, 459–463  definition, 159
                                                   internal pore structure of, 460–461  empirical guidelines, 158
                 physical properties, 459–460
                                                   manufacturing of, 459           performance estimation, 158
                 pore size, 462
              definition, 457, 499                  properties of, 460              practice
                                                   shipping data, 463                blower power, 156–157
              manufacturing of, 459
              shipping data, 463                   sources of, 459                   design criteria, 154–156
                                                aluminum hydroxide floc, 459          header pipe, pressure, 156
              sources of, 459
            Activated sludge treatment          kinds of, 458–459                  principles, 150
                                                soil minerals and organic carbon, 459  rational guidelines, 158
              bulking sludge, 738–739
              cell production rate, 735         synthetic resins, 458–459          theory
                                              Adsorption                             calculations algorithm, 152–154
              cell synthesis, 724
              cell-wasting rate, 735–736, 749   adsorbates                           empirical guidelines, 151
                                                   natural organic matter, 464       grit removal calculation, 150–151
              detention time, 734
              diffused-air aeration, 722–723       organic compounds, 463–464        length and n determination,
                                                adsorbents                             151–152
              dynamic model, 734
                                                   activated carbon, manufacturing   spiral length, DL calculation, 151
              empirical observation, 724
                                                     of, 459                       volume installation and calculation, 159
              enzyme kinetics, 724
                                                   characteristics of GAC, 459–463  Aerated lagoon, 729–730
              food-to-microorganism (F=M) ratio, 734–735
              growth kinetics, 725                 kinds of, 458–459            Aerobes
                                                   shipping data, 463              bacteria, 707
              IWA model, 725
              materials balance, 726               sources of activated carbon, 459  reaction, 707
                                                applications of, 464            Air
              mathematical model, 724
              methane fermentation kinetics, 724  in cake filtration, 433           binding, 408, 418
                                                cost of, 496–497                   bump, 451
              microbial cultivation, 721
              microorganisms, chemical formula, 724  definitions, 451, 457–458      composition, 776
                                                design                             properties, 777
              modern theory, 725
              numerical modeling, 732–733          chemical reduction, 490–492     stripping
                                                   contamination sources, 490, 492   bubble gas-transfer theory, 582
                 finite-difference and differential, 733
                 International Water Association (IWA),  protocol, 489–490           case study, 597–599
                                                   pump and treat, 492–494           definition, 603
                   733
                                                   taste-and-odor control, 490       history, 573
              nutrients, 725
              oxygen                               tertiary treatment, 494–496  Air-to-water ratio, 603
                                                   variables, 486–489           Air–water backwash system, 369–370
                 absorption, 724
                 requirement, 736–737           history of, 464–465             Alum
                                                laboratory and pilot plant studies  liquid, 839–844
              oxygen transfer, 572
              parameter, design, 735               backwash velocity, 484          manufacturer, 833–834
                                                   breakthrough curve, 484         polymer of, 846
              performance, 723
              process, 707                         competitive effects, 484        solid, 833–837
                                                   demonstration-scale plants, 484–486  water treatment
              process variation, 737
              reactor analysis                     fabrication, 484                  diluting alum, 844
                                                   HLR calculation, 484              flow measurement, 845
                 aerated lagoon, 729–730
                 conventional, 727–729, 749        isotherm determination, 483       mass flow calculations, 845
                                                   wave front determination, 483–484  Alumina, 459, 502, 519–520, 532
                 extended aeration, 729
                 materials balance, 726–727     operation characteristics, 496  Aluminum hydroxide, 459, 502, 532–533
                                                performance measures of, 458    Ambient water particles, coagulation
                 plug-flow reactor, 730–732
                                                process description, 458           characteristics
              reactor theory, 725
              recirculation rate, 716           process theory of                    colloids, 192
                                                   equilibrium, 466–471              counting technology and turbidity,
              sewage oxidation, 721
              sludge age (u c ), 725, 735          kinetics, 471–473                   194
                                                   limitations of, 481–483           microscopic particles, 192–194
                                                                                                             871
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