By Davis
Kurzbeschreibung
An In-Depth advisor to Water and Wastewater Engineering This authoritative quantity deals entire insurance of the layout and development of municipal water and wastewater amenities. The ebook addresses water remedy intimately, following the stream of water throughout the unit methods and coagulation, flocculation, softening, sedimentation, filtration, disinfection, and residuals administration. every one degree of wastewater treatment--preliminary, secondary, and tertiary--is tested in addition to residuals management. Water and Wastewater Engineering includes greater than a hundred instance difficulties, 500 end-of-chapter difficulties, and three hundred illustrations. questions of safety and operation and upkeep approaches also are mentioned during this definitive resource. assurance includes: consumption buildings and wells Chemical dealing with and garage Coagulation and flocculation Lime-soda and ion trade softening opposite osmosis and nanofiltration Sedimentation Granular and membrane filtration Disinfection and fluoridation removing of particular materials ingesting water plant residuals administration, method choice, and integration garage and distribution structures Wastewater assortment and remedy layout issues Sanitary sewer layout Headworks and initial remedy basic therapy Wastewater microbiology Secondary therapy through suspended and connected progress organic methods Secondary settling, disinfection, and postaeration Tertiary remedy Wastewater plant residuals administration fresh water plant approach choice and integration
Über den Autor
Mackenzie L. Davis, Ph.D., P.E., DEE, is Emeritus Professor of Environmental Engineering within the division of Civil and Environmental Engineering at Michigan kingdom collage the place, for two decades, he taught the senior-level layout direction, Water and Wastewater therapy Plant layout. Dr. Davis is the writer advent to Environmental Engineering, Fourth variation (McGraw-Hill, 2006).
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Sample text
S. EPA, 1974. e Power source No Yes No No No No No No No THE DESIGN AND CONSTRUCTION PROCESSES Site limitations. The location and area available for the treatment plant, availability of power, roads, and a connection to the raw water supply or point to discharge define the facility limits. In addition, the need for easements for the water distribution system and sewer system, and connection to the power and road grid are limitations that must be considered. Design life. The basis for economic comparison of alternatives is the design life.
With the aid of the text, you should be able to do the following: 7. Select the appropriate design alternative based on an engineering economic analysis of the alternatives given the appropriate cost data, interest rate, and design life. com/wwe. 1-1. At the end of the preliminary design-stage of a small water treatment system design, the following three options remain feasible. 00% and a design life of 20 years for project evaluation. Based on cost, which alternative should the engineering firm recommend?
For example, the choice of a variable-speed drive or constant-speed drive for pumps is analyzed on a life-cycle cost basis (capital plus operating, maintenance, and replacement). Quotes are obtained to finalize cost estimates, and an engineer’s opinion of the probable cost and cash flow projections are prepared. Because the financial arrangements for funding the project are based on this estimate, it is imperative that an accurate estimate of the cost be made. The detailed design process is completed with an ongoing review of the project with the client.