Lecture 6

9 7 cmmin piero m armenante njit summary of design

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Unformatted text preview: elocity of: 0.062 - 0.23 ft/min (1.9 - 7 cm/min) PIERO M. ARMENANTE NJIT Summary of Design Aspects of Flotation Units Average pressure: 40 - 95 psia (275 - 650 kPa) Overflow rate: 700 - 2500 gal/ft2 day Air-to-solid ratio: 0.005 - 0.060 mL air/mg solids Recycle ratio: 20 - 150% Average solid removal: 98% Solid concentration in sludge: 4 - 5.5% PIERO M. ARMENANTE NJIT Additional Information and Examples on Flotation Additional information and examples can be found in the following references: • Corbitt, R. A., 1990, The Standard Handbook of Environmental Engineering, McGraw-Hill, New York, pp. 6.93-6.99. • Droste, R. L., 1997, Theory and Practice of Water and Wastewater Treatment, John Wiley & Sons, New York, pp. 729-732. • Eckenfelder, W. W., Jr., 1989, Industrial Water Pollution Control, McGraw-Hill, New York, pp. 71-80. PIERO M. ARMENANTE NJIT Additional Information and Examples on Flotation • Metcalf & Eddy, 1991, Wastewater Engineering: Treatment, Disposal, and Reuse, M...
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This document was uploaded on 03/30/2014 for the course CHEM 685 at NJIT.

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