By John C. Crittenden, R. Rhodes Trussell, David W. Hand, Kerry J. Howe, George Tchobanoglous
the definitive advisor to the idea and perform of water remedy engineering
This newly revised variation of the vintage reference presents whole, up to date assurance of either concept and perform of water therapy procedure layout. The 3rd variation brings the sphere brand new, addressing new regulatory necessities, ongoing environmental issues, and the emergence of pharmacological brokers and different new chemical components in water.
Written via many of the most suitable specialists within the box of public water provide, Water therapy, 3rd variation keeps the book's vast scope and succeed in, whereas reorganizing the cloth for even larger readability and clarity. subject matters span from the basics of water chemistry and microbiology to the most recent equipment for detecting parts in water, modern applied sciences for imposing water remedy tactics, and the more and more very important subject of handling residuals from water therapy crops. in addition to 1000s of illustrations, pictures, and large tables directory chemical houses and layout information, this quantity:
Introduces a few new issues equivalent to complicated oxidation and superior coagulation
Discusses therapy concepts for removal prescription drugs and private care items
Examines complicated remedy applied sciences resembling membrane filtration, opposite osmosis, and ozone addition
Details opposite osmosis functions for brackish groundwater, wastewater, and different water assets
Provides new case reports demonstrating the synthesis of full-scale therapy trains
A must-have source for engineers designing or working water remedy vegetation, Water remedy, 3rd version can be beneficial for college kids of civil, environmental, and water assets engineering.
MWH is an international consulting company with greater than 7,000 execs and a hundred and eighty places of work in thirty-five international locations, that gives prone to an entire diversity of water-related initiatives and courses starting from water offer, remedy and garage, dams, water administration for the typical assets undefined, and coastal recovery to renewable strength and environmental provider. MWH staff wrote the 1st version of this book.Content:
Chapter 1 creation (pages 1–16):
Chapter 2 actual and Chemical caliber of Water (pages 17–71):
Chapter three Microbiological caliber of Water (pages 73–164):
Chapter four Water caliber administration ideas (pages 165–224):
Chapter five rules of Chemical Reactions (pages 225–285):
Chapter 6 ideas of Reactor research and combining (pages 287–390):
Chapter 7 rules of Mass move (pages 391–455):
Chapter eight Chemical Oxidation and aid (pages 457–539):
Chapter nine Coagulation and Flocculation (pages 541–639):
Chapter 10 Gravity Separation (pages 641–725):
Chapter eleven Granular Filtration (pages 727–818):
Chapter 12 Membrane Filtration (pages 819–902):
Chapter thirteen Disinfection (pages 903–1032):
Chapter 14 Air Stripping and Aeration (pages 1033–1115):
Chapter 15 Adsorption (pages 1117–1262):
Chapter sixteen Ion trade (pages 1263–1334):
Chapter 17 opposite Osmosis (pages 1335–1414):
Chapter 18 complex Oxidation (pages 1415–1484):
Chapter 19 Disinfection/Oxidation by?Products (pages 1485–1527):
Chapter 20 elimination of chosen parts (pages 1529–1624):
Chapter 21 Residuals administration (pages 1625–1698):
Chapter 22 inner Corrosion of Water Conduits (pages 1699–1803):
Chapter 23 Synthesis of therapy Trains: Case reports from Bench to complete Scale (pages 1805–1850):
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Additional resources for MWH's Water Treatment: Principles and Design, Third Edition, Third Edition
As will be demonstrated in subsequent chapters, technology now exists to remove essentially all of the dissolved and suspended components of water. The principal engineering properties encountered in environmental engineering and used throughout this book are reported in Table 2-1. The typical numerical values given in Table 2-1 are to provide a frame of reference for the values that are reported in the literature. S. S. Customary F 100 212 Temperature at which vapor pressure equals 1 atm; high value for water keeps it in liquid state at ambient temperature.
Details on the other properties may be found in books on water chemistry and on a detailed website dedicated to water science and structure (Chapin, 2010). POLARITY Oxygen atom The asymmetric water molecule contains an unequal distribution of electrons. Oxygen, which is highly electronegative, exerts a stronger pull on the shared electrons than hydrogen; also, the oxygen contains two unshared electron pairs. The net result is a slight separation of charges or dipole, with the slightly negative charge (δ− ) on the oxygen end and the slightly positive charge (δ+ ) on the hydrogen end.
As reported in Table 2-2, the principal natural sources of particles in water are soil-weathering processes and biological activity. Clays and silts are produced by weathering. Algae, bacteria, and other higher microorganisms are the predominant types of particles produced biologically. Some particles have both natural and anthropogenic sources, a notable example being asbestos ﬁbers. Industrial and agricultural activities tend to augment these natural sources by increasing areas of runoff through cultural eutrophication, the increase in the rate of natural eutrophication as a result of human activity, or direct pollution with industrial residues.