Water Quality Engineering for Practicing Engineers
Water Quality Engineering for Practicing Engineers
Eckenfelder, W. Wesley (William Wesley), 1926-
The book Water Quality Engineering for Practicing Engineers was written by author Eckenfelder, W. Wesley (William Wesley), 1926- Here you can read free online of Water Quality Engineering for Practicing Engineers book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Water Quality Engineering for Practicing Engineers a good or bad book?
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(Courtesy of Rex Chainbelt, Inc.) three basic classifications, depending on the nature of the solids present in the suspension: discrete, flocculent, and zone settling. In discrete settling, the particle maintains its individu- ality and does not change in size, shape, or density during the settling process. Discrete settling is observed with suspensions of grit (grit chambers), fly ash, and coal. Flocculent settling oc- curs when the particles agglomerate during the settling period, resulting ...in a change in size and settling rate. Examples in- clude domestic sewage and pulp and paper wastes. Zone set- Digitized byVjOOQlC 114 PRETREATMENT AND PRIMARY TREATMENT tling involves a flocculated suspension which forms a lattice structure and settles as a mass, exhibiting a distinct interface during the settling process. Alum floes and activated sludge usually exhibit zone settling. Discrete Settling The settling velocity of discrete particles is related to gravity and viscous forces and is de- fined by the relationship l4g ips - pJd '=V 3C-.
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