Elements of Environmental Engineering: Thermodynamics and by Kalliat T. Valsaraj

By Kalliat T. Valsaraj

Revised, up-to-date, and rewritten the place beneficial, yet preserving the transparent writing and organizational sort that made past versions so well known, Elements of Environmental Engineering: Thermodynamics and Kinetics, 3rd Edition includes new difficulties and new examples that greater illustrate idea. the hot version includes examples with functional taste corresponding to worldwide warming, ozone layer depletion, nanotechnology, eco-friendly chemistry, and eco-friendly engineering. With particular theoretical dialogue and ideas illuminated via numerical examples, this ebook fills the gaps in insurance of the rules and purposes of kinetics and thermodynamics in environmental engineering and technology.

New issues lined include:

  • Green Chemistry and Engineering
  • Biological Processes
  • Life Cycle Analysis
  • Global weather Change

The writer discusses the purposes of thermodynamics and kinetics and delineates the distribution of pollution and the interrelationships among them. His demonstration of the theoretical foundations of chemical estate estimations supplies scholars a close figuring out of the restrictions of thermodynamics and kinetics as utilized to environmental destiny and shipping modeling and separation techniques for waste therapy. His therapy of the cloth underlines the multidisciplinary nature of environmental engineering.

This e-book is unusual in environmental engineering because it offers completely with the functions of chemical thermodynamics and kinetics in environmental approaches. The book’s multimedia method of destiny and shipping modeling and in toxins keep an eye on layout recommendations presents a technology and engineering therapy of environmental difficulties.

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Extra resources for Elements of Environmental Engineering: Thermodynamics and Kinetics, Third Edition

Sample text

233 The predominant form of CaCO3 in nature is calcite. Marine shells are made up of this form of calcium carbonate. However, there also exists another form of CaCO3 , called aragonite. 93 (a) Is the conversion of calcite to aragonite spontaneous at 298 K? (b) At what pressure will the conversion be spontaneous at 298 K? 243 Municipal landfills contain refuse that are continually decomposed by indigenous bacteria. This produces large quantities of methane gas. Let us consider a large landfill that contains approximately 1010 m3 of methane.

B) If the standard Gibbs free energy of the formation of ozone, carbon dioxide, water, and methane are, respectively, 163, −394, −237, and −50 kJ/mol at 298 K, calculate the standard free energy change of the overall reaction at 298 K. tex” — page 38[#26] 10/4/2009 21:01 Basic Chemical Thermodynamics 39 (c) What will be the standard free energy change if the temperature is decreased to 278 K? Is the reaction more or less favorable at this temperature? 163 Capillary rise is an important phenomenon in enhanced oil recovery, the recovery of nonaqueous-phase liquids from contaminated aquifers, the rise of sap in trees, and also in the determination of surface tension of liquids.

How much work would the gas do if you could expand the gas so that the final pressure is 1 bar isothermally and reversibly? 131 Supercooled water at −3◦ C is frozen at atmospheric pressure. Calculate the maximum work for this process. 917 g/cm3 at −3◦ C. 141 An ideal gas is subjected to a change in pressure from 2 to 20 atm at a constant temperature of 323 K. Calculate the change in chemical potential for the gas. 152 A reaction that is of considerable importance in nature is the transformation of methane utilizing ozone, 3CH4 (g) + 4O3 (g) → 3CO2 (g) + 6H2 O(l).

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