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100   $a20080703d2008      uy         0
101 0 $aeng
135   $aurcn|||||||||
181   $ctxt
182   $cc
183   $acr
200 10$aWater filtration practices $eincluding slow sand filters and precoat filtration /$fGary S. Logsdon
205   $a1st ed.
210   $aDenver, Colo. $cAmerican Water Works Association$dc2008
215   $a1 online resource (314 p.)
300   $aDescription based upon print version of record.
311 08$a1-58321-595-6 
320   $aIncludes bibliographical references and index.
327   $a""Water Filtration Practices""; ""Contents""; ""Figures""; ""Tables""; ""Preface""; ""Acknowledgments""; ""Introduction""; ""Pretreatment: Management and Monitoring of Chemical Coagulation and Lime Softening""; ""Chemical Feed and Mixing, Flocculation, and Clarification""; ""Granular Media Filtration Concepts, Operation, and Management""; ""Water Treatment Under Difficult Raw Water Conditions""; ""Backwashing Filters""; ""Returning Filters to Service After Backwashing""; ""Monitoring Filter Performance""; ""Quality Control for the Laboratory and Plant""
327   $a""Filter Inspection and Maintenance""""Slow Sand Filtration""; ""Precoat Filtration""; ""Glossary""; ""Index""; ""About the Author""
330   $aWater operators will find a wealth of hands-on information on the operation and maintenance of pretreatment, rapid-rate granular media filtration, slow-sand filtration, and diatomaceous-earth filtration systems in this book. This practical guide provides recommended procedures for operating, monitoring, and maintaining all types of filters used for conventional water treatment. These procedures are tested and time-proven by hundreds of water utilities and filtration experts to provide high filter efficiency, excellent water quality, long filter runs and minimum downtime. The book also gives advice on what not to do-and why-so you can avoid water quality problems, filter damage, and treatment problems in the future.
606   $aWater$xPurification$xFiltration
606   $aWater$xPurification$xSlow sand filtration
615  0$aWater$xPurification$xFiltration.
615  0$aWater$xPurification$xSlow sand filtration.
676   $a628.1/64
700   $aLogsdon$b Gary S$01867123
801  0$bMiAaPQ
801  1$bMiAaPQ
801  2$bMiAaPQ
906   $aBOOK
912   $a9910972232703321
996   $aWater filtration practices$94474554
997   $aUNINA