Water filtration practices : including slow sand filters and precoat filtration

This book provides a tool-kit of practical resources on techniques and procedures for maintenance and operation of water filtration plants. Written for experienced water treatment plant staff, the book covers granular media filters providing information on current conditions and performance, how to identify deficiencies and optimize the operation, whether with rapid gravity filtration or pressure filtration processes, plus information on slow sand filters and precoat filtration. The book is a condensed and updated version of Logsdon's 2002 book Filter Maintenance and Operations Guide Manual (ISBN: 1-58321-234-5) Water 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. Learn how to mix and feed chemicals, monitor filter performance during difficult water episodes, backwash and return filters to service, inspect and maintain filters for optimal performance. 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 doand whyso you can avoid water quality problems, filter damage, and treatment problems in the future.Also available as a Google Play ebook "Water Filtration Practices provides experienced water operators with practical guidance on the operation and maintenance of pretreatment, rapid rate granular media filtration, slow sand filtration, and diatomaceous earth filtration systems. Water filtration plant operators and managers provide important public health protection to those who are served by water systems. The book was prepared with the goal of assisting operators and managers to do their best as they strive to produce safe drinking water."--Jacket