Dissolved Air Flotation For Water Clarification by James Edzwald, Johannes Haarhoff

By James Edzwald, Johannes Haarhoff

The definitive paintings on Dissolved Air Flotation platforms (DAF) for explanation of ingesting water

Dissolved Air Flotation for Water Clarification is a whole layout and alertness resource for the water divided into 3 parts:

  • The first develops a primary foundation for realizing how the method works, and may be tailored to paintings greater.
  • The moment presents a reference for layout engineers, water operators, and water managers relating to purposes the place DAF may be integrated in an total remedy scheme.
  • The 3rd develops the required DAF layout suggestions and to demonstrate them via description of sensible applications.

Using DAF to take away debris isn't just a major procedure for traditional ingesting water vegetation, yet can also be used as a pre-treatment technique in membrane crops together with opposite osmosis for water desalinization, and in water reuse applications.

Dissolved Air Flotation for Water Clarification offers:

  • Information on new purposes of DAF in complex water remedy, desalinization, water reuse, and business therapy in nutrition, waste, and pulp and paper
  • Detailed examples, together with the world’s biggest new DAF plant ever outfitted – Croton, big apple water therapy plant
  • A unmarried quantity solely dedicated to DAF for consuming water explanation
  • Coverage of traditional and pre-treatment approaches
  • SI and standard devices throughout

Show description

By James Edzwald, Johannes Haarhoff

The definitive paintings on Dissolved Air Flotation platforms (DAF) for explanation of ingesting water

Dissolved Air Flotation for Water Clarification is a whole layout and alertness resource for the water divided into 3 parts:

  • The first develops a primary foundation for realizing how the method works, and may be tailored to paintings greater.
  • The moment presents a reference for layout engineers, water operators, and water managers relating to purposes the place DAF may be integrated in an total remedy scheme.
  • The 3rd develops the required DAF layout suggestions and to demonstrate them via description of sensible applications.

Using DAF to take away debris isn't just a major procedure for traditional ingesting water vegetation, yet can also be used as a pre-treatment technique in membrane crops together with opposite osmosis for water desalinization, and in water reuse applications.

Dissolved Air Flotation for Water Clarification offers:

  • Information on new purposes of DAF in complex water remedy, desalinization, water reuse, and business therapy in nutrition, waste, and pulp and paper
  • Detailed examples, together with the world’s biggest new DAF plant ever outfitted – Croton, big apple water therapy plant
  • A unmarried quantity solely dedicated to DAF for consuming water explanation
  • Coverage of traditional and pre-treatment approaches
  • SI and standard devices throughout

Show description

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Extra resources for Dissolved Air Flotation For Water Clarification

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D. D. Copyright ũ 2011 by The McGraw-Hill Companies, Inc. All rights reserved. Except as permitted under the United States Copyright Act of 1976, no part of this publication may be reproduced or distributed in any form or by any means, or stored in a database or retrieval system, without the prior written permission of the publisher. ISBN Š978-0-07-174563-5 MHID ŠŠŠŠŠŠŠ0-07-174563-7 The material in this eBook also appears in the print version of this title: ISBN 978-0-07-174562-8, MHID 0-07-174562-9.

In addition, the liquid waste from the paper mills was a foul mixture of paper fibers, excess machine lubricant, bacterial slime, and other debris, which caused severe environmental damage to the rivers into which these wastes were discharged. A solution was desperately sought, both for commercial and environmental reasons. Flotation brought a substantial improvement in fiber recovery. The Norwegian engineer Nils Petersen patented the concept of full-stream pressure flotation. He experimented with the process without using any chemicals at first, but the process brought the desired results only after a mixture of chemicals (consisting of aluminum sulfate and formaldehyde, among others) was added.

Professor University of Johannesburg ACKNOWLEDGMENTS This professional book, Dissolved Air Flotation for Water Clarification, is a tribute to the many water process engineers, scientists, consultants, water utility managers, and academics who have for many years worked on this subject. Without their research, development, and water plant experience, we would not have a book like this that lays out the principles and practice of this water treatment technology. There are several individuals who were most helpful in discussing and providing information on dissolved air flotation, providing plant visits, providing “gray” literature, and in reviewing sections of the book.

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