Page 44 - Fundamentals of Water Treatment Unit Processes : Physical, Chemical, and Biological

Contents—Downloadable Files xliii

Chapter 19 Disinfection ........................................................................................................................................................ 607
TABLE CD19.4 Calculation of Ct’s for Giardia Cysts for Different C, pH, T Conditions (Excerpt) ............................... 616
TABLE CD19.6 Concentrations of [Cl 2 ], [HOCL], and [OCl ] as a Function of pH for a Given

[Cl 2 ] Concentration .................................................................................................................................. 619
FIGURE CD19.5 Calculations based on 4 mg=L (5.7 10 5 molar) solution of Cl 2 added to solution
(from mass balance, charge balance, equilibrium relations) as function of pH.
(a) Concentrations of chlorine species. (b) Fraction, a, of different chlorine species............................ 620

Chapter 21 Precipitation........................................................................................................................................................ 661
FIGURE CD21.1 pC versus pH diagram for Ca 2þ .............................................................................................................. 666
TABLE CD21.2 Concentrations of [Ca ] as a Function of pH ......................................................................................... 666
2þ

PART V Biological Treatment

Chapter 23 Biological Reactors ............................................................................................................................................ 721

TABLE CD23.4 Excerpt from Excel Spreadsheet for Dynamic Activated-Sludge Model ................................................. 734
FIGURE CD23.6 Flow and BOD over 24 h and calculated effluent BOD, Fort Collins WWTP, 1990.
(a) Influent flow. (b) Influent BOD and calculated effluent BOD. ......................................................... 734
TABLE CD23.6 Excerpt from Biofilm Trickling-Filter Model Spreadsheet....................................................................... 740
FIGURE CD23.8 Trickling-filter model output.................................................................................................................... 741

Pre Appendix Tables ............................................................................................................................................................. 757
TABLE CDQR.1 Constants—Quick Reference................................................................................................................... 757
TABLE CDQR.2 Units and Conversions—Quick Reference.............................................................................................. 758
TABLE CDQR.3 SI Prefixes—Quick Reference ................................................................................................................. 761
TABLE CDQR.4 Coeffcients for Calculation of Variables—Polynomial Best Fit Equations............................................ 762
TABLE CDQR.5 Coeffcients for Calculation of Variables—Exponential Best Fit Equations ........................................... 763
TABLE CDQR.6 Miscellaneous Notes ................................................................................................................................ 764

Appendix D Fluid Mechanics—Reviews of Selected Topics........................................................................................... 791

TABLE CDD.2(a) Spreadsheet Calculating Pressure Surface for Under-Drain System (Excerpt) ..................................... 800
TABLE CDD.2(b) Abstract of Head Levels and Flows in Header Pipes and Laterals for a Filter Bed............................. 800
FIGURE CDD.7 Pneumatic grade line with delineation of changes for flow to submerged diffuser
(figure is also embedded in Table CDD.3)............................................................................................... 801
TABLE CDD.3 Pneumatic Analysis of Air Flow to Aerated Grit Chamber (by Bernoulli Relation) to Obtain
Pressure Inputs to Compressor................................................................................................................... 805
TABLE CDD.5 Air Flow Calculation for Compressor for an Aerated Grit Chamber (Example) ...................................... 809
TABLE CDD.6 Combined Pipe Flow and Compression Spreadsheet ................................................................................ 810

Appendix E Porous Media Hydraulics ............................................................................................................................. 819
TABLE CDE.2 Conversion between K and k Including Headloss Calculation from k....................................................... 823
TABLE CDE.4 Hydraulic Gradient Calculated by Forchheimer Equation ......................................................................... 830

Appendix F Alum Data and Conversions......................................................................................................................... 833
TABLE CDF.3 Alum Conversions....................................................................................................................................... 842
TABLE CDF.3 Alum Conversions (Excerpt Showing only Tables CDF.3(a) and (b)) ...................................................... 842

Appendix G Dimensionless Numbers................................................................................................................................ 847
TABLE CDG.3 Matrix of Physical Phenomena and Associated Dimensionless Numbers................................................. 850