水和废水计算手册 中 第3版 英文PDF电子书下载

1 Sources and Quantity of Water 308

2 Population Estimates 311

2.1 Arithmetic method 312

2.2 Constant percentage growth rate method 312

2.3 Declining growth method 313

2.4 Logistic curve method 313

3 Water Requirements 315

3.1 Fire demand 315

3.2 Leakage test 320

4 Regulations for Water Quality 321

4.1 Safe Drinking Water Act 321

4.2 Two major rules updated in 2006 337

4.3 Compliance with standards 341

4.4 Atrazine 343

5 Water Treatment Processes 343

6 Aeration and Air Stripping 345

6.1 Gas transfer models 349

6.2 Diffused aeration 357

6.3 Packed towers 359

6.4 Nozzles 367

7 Solubility Equilibrium 370

8 Coagulation 373

8.1 Jar test 377

8.2 Mixing 379

9 Flocculation 382

10 Sedimentation 386

10.1 Overflow rate 390

10.2 Inclined settlers 392

10.3 ClariCone 394

11 Granular Media Filtration 396

11.1 Filter medium size 397

11.2 Mixed media 398

11.3 Hydraulics of granular media filter 399

11.4 Washwater troughs 404

11.5 Filter efficiency 406

12 Membrane Processes 407

12.1 Overview 407

12.2 Regulatory requirements 408

12.3 Membrane process classifications and descriptions 413

12.4 Membrane composition and properties 419

12.5 Types of membrane systems 429

12.6 Design considerations 432

12.7 Membrane system operation 434

12.8 Membrane process performance 439

12.9 Silt density index 449

13 Water Softening 450

13.1 Lime-soda softening 450

13.2 Pellet softening 457

14 Ion Exchange 463

14.1 Leakage 471

14.2 Nitrate removal 472

15 Iron and Manganese Removal 481

15.1 Oxidation 482

16 Activated Carbon Adsorption 486

16.1 Adsorption isotherm equations 486

17 Residual from Water Plant 490

17.1 Residual production and density 493

18 Disinfection 495

18.1 Chemistry of chlorination 496

18.2 Ozonation 505

18.3 Ultraviolet disinfection 506

18.4 Disinfection kinetics 507

18.5 CT values 508

18.6 Disinfection by-products 524

19 Water Fluoridation 539

19.1 Fluoride chemicals 540

19.2 Optimal fluoride concentretions 541

19.3 Fluoride feed rate(dry) 542

19.4 Fluoride feed rate for saturator 544

19.5 Fluoride dosage 545

References 547