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Feb 24, 2018

EBOOK - Handbook of water and wastewater treatment technologies (Nicholas P. Cheremisinoff)


EBOOK - Sổ tay về công nghệ xử lý nước và xử lý nước thải (Nicholas P. Cheremisinoff) - 654 Trang.

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Thân!

This volume covers  the technologies that are applied to the treatment and purification of water.  Those who are generally familiar with this field will immediately embrace the subject as a treatise on solid-liquid separations. However, the subject is much broader, in that the technologies discussed are not just restricted to pollution control hardware that rely only upon physical methods of treating and
purifymg wastewaters.
The book attempts to provide as wide a coverage as possible those technologies applicable to both water (e.g., drinking water) and wastewater (Le., industrial and municipal) sources. The methods and technologies discussed are a combination of physical, chemical and thermal techniques.

Chapter 1. An Overview of Water and Wastewater Treatment, 1

Introduction, 1
What We Mean by Water F’urification, 4
The Clean Water Act, 26
Introducing the Physical Treatment Methods, 33
Introducing Chemical Treatment, 37
Energy Intensive Treatment Technologies, 40
Water Treatment in General, 42
Some General Comments, 56
List of Abbreviations Used in this Chapter, 57
Recommended Resources for the Reader, 58
Questions for Thinking and Discussing, 60

Chapter 2. What Filtration Is All About, 62

Introduction, 62
Terminology and Governing Equations, 63
Filtration Dynamics, 72
Wastewater Treatment Applications, 78
Key Words, 81
Nomenclature, 86
Recommended Resources for the Reader, 87
Questions for Thinking and Discussing, 89

Chapter 3. Chemical Additives that Enhance Filtration, 91

Introduction, 91
Aluminum Based Chemical Additive Compounds, 91
Iron-Based Compounds, 97
Lime, 101
SodaAsh, 104
Liquid Caustic Soda, 105
Filter Aids, 106
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Recommended Resources for the Reader, 120
Questions for Thinking and Discussing, 122

Chapter 4. Selecting the Right Filter Media,  123

Introduction, 123
Types of Filter Media to Choose From, 123
Rigid Filter Media, 132
General Properties of Loose and Granular Media, 142
Filter Media Selection Criteria, 148
Recommended Resources for the Reader, 152
Questions for Thinking and Discussing, 155

Chapter 5. What Pressure- and Cake-Filtration Are All About, 157

Introduction, 157
Constant Pressure Differential Filtration, 158
Constant-Rate Filtration, 168
Variable-Rate and -Pressure Filtration, 170
Constant-Pressure and -Rate Filtration, 172
Filter-Medium Filtration Formulas, 173
Cake Filtration Equipment, 184
Nomenclature, 213
Recommended Resources for the Reader, 214
Questions for Thinking and Discussing, 217

Chapter 6. Cartridge and Other Filters Worth Mentioning, 224

Introduction, 224
Cartridge Filters, 224
The Tilting Pan Filter, 228
The Table Filter, 23 1
Questions for Thinking and Discussing, 233

Chapter 7. What Sand Filtration is All About, 235

Introduction, 235
Water Treatment Plant Operations, 236
Granular Media Filtration, 243
Let’s Take a Closer Look at Sand Filters, 247
Slow Sand Filtration, 256
Rapid Sand Filtration, 257
Chemical Mixing and Solids Contact Processes, 260
Recommended Resources for the Reader, 265
Questions for Thinking and Discussing, 266

Chapter 8. Sedimentation, Clarification, Flotation, and Coalescence, 268

Introduction, 268
Let’s Look at How a Single Particle Behaves in a Suspension, 269
Gravity Sedimentation, 275
The Sedimentation Process in Greater Detail, 282
A  Closer Look at Mechanical Clarification  Process  and the  Chemistry of
Clarification, 305
Rectangular Sedimentation Tanks, 315
Air Flotation Systems, 317
Separation Using Coalescers, 323
Nomenclature, 326
Recommended Resources for the Reader, 328
Questions for Thinking and Discussing, 331

Chapter 9. Membrane Separation Technologies, 335

Introduction, 335
An Overview of Membrane Processes, 336
What Electrodialysis Is, 339
What Ultrafiltration Is, 344
What Microfiltration and Nanofiltration Are, 354
What Reverse Osmosis Is, 360
Recommended Resources for the Reader, 367
Questions for Thinking and Discussing, 370

Chapter 10. Ion Exchange and Carbon Adsorption, 372

Introduction, 372
Theory and Practice of Ion Exchange, 374
Carbon Adsorption in Water Treatment, 404
Some Final Comments on Both Technologies, 432 
Recommended Resources for the Reader, 440 
Questions for Thinking and Discussing, 444 

Chapter 11. Water Sterilization Technologies, 446 

Introduction, 446 
What Waterborne Diseases Are, 446 
Treatment Options Available to Us, 450 
Ozonation, 454 
Ultraviolet Radiation, 455 
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Electron Beam, 455 
Biology of Aquatic Systems, 456 
Disinfection by Chlorination, 463 
Disinfection with Interhalogens and Halogen Mixtures, 476 
Sterilization Using Ozone, 482 

Chapter 12. Treating the Sludge, 496 

Introduction, 496 
What Sludge Is, 497 
What Stabilization and Conditioning Mean, 501 
Sludge Dewatering Operations, 520 
Volume Reduction, 550 
What Finally Happens to Sludge after Volume Reduction, 565 
Final Comments and Evaluating Economics, 582 
Recommended Resources for the Reader, 592 
Questions for Thinking and Discussing, 594

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