By James Mueller, William C. Boyle, Ing. H. Johannes Popel
The substantial environmental demanding situations dealing with the realm now and in years yet to come can merely be met via marshalling the abilities of the easiest environmental engineers and scientists, and during using leading edge, within your means suggestions. Written through 3 major aeration specialists, Aeration: ideas and perform, covers the rules and perform of aeration, a unit procedure serious to the functionality of activated sludge remedy and to the finances of wastewater vegetation. This reference offers the state-of-the-art in aeration, utilizing examples from various amenities within the united states and Europe. The authors examine traditional and deep-tank aeration structures for BOD removing and nitrification, in addition to high-purity oxygen platforms. working and capital charges, in addition to power use information are provided including layout info permitting the variation of recent aeration applied sciences to crops of numerous dimension. either practitioners and complex scholars of wastewater administration will delight in the distinctive presentation of oxygen move rules, in particular as they're illustrated in several functions. With the data provided during this ebook engineers and executives can be in a position to comprehend and computer screen the potency of current aeration platforms and to enhance concepts for technique development.
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Additional info for Aeration: principles and practice
24), the oxygen saturation value is a function of both the oxygen gas phase concentration and the Henry’s constant. 28) For open systems, both surface and diffused, the vapor pressure, pv , is assumed saturated at the liquid temperature, with gas phase temperature having no effect on the vapor pressure or CG. Only in well mixed closed systems, where there are significant differences in gas and liquid phase temperatures, would vapor pressures at the gas phase temperature be utilized (Mueller, 1979).
H. (1989). , Boca Raton, FL. Wise, D. L. (1963). “The Determination of the Diffusion Coefficients of Ten Slightly Soluble Gases in Water and a Study of the Solution Rate of Small Stationary Bubbles,”, PhD Thesis, U. of Pittsburg. Wuhrmann, K. (1963). ” Advances in Biological Waste Treatment, W. W. J. Eckenfelder and J. , Pergamon Press, Oxford, 27–40. Yunt, F. (1979). ” Proceedings of the Workshop Toward an Oxygen Transfer Standard, EPA-600/9-78-021, Asilomar Conference Grounds, Pacific Grove, CA, 105–127.
1995). Standard Methods for the Examination of Water and Wastewater, A. D. Eaton, L. S. Clesceri, and A. E. , American Public Health Assn. (APHA). , and Papkov, G. (1995). ” WEFTEC’95-68th Annual Conference of the Water Environment Federation, Miami Beach, FL, 191–199. ASCE. (1991). Standard-Measurement of Oxygen Transfer in Clean Water-ANSI/ASCE 2–91, American Society of Civil Engineers, New York. Asher, W. E. (1998). Raw data on normalized fluorescence intensity for clean and surfactant influenced surfaces, personal communication.