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Mound Filter Systems for the Treatment of Domestic Wastewater

Order Code: BR028EP
ISBN Number: 1860817475
Publisher: BRE Press
Date of Publication: 2005

Mound Filter Systems for the Treatment of Domestic Wastewater


Price: 50.00

Mound filter systems are used to treat wastewater from structures not served by public sewer. This guide describes mound filters which deal with domestic wastewater after primary treatment (settlement) and after secondary treatment (aerobic or anaerobic biological treatment). It draws on work from around the world, including the UK.

The filtration system was developed from the 'NODAK' system which was first used in North Dakota in the twentieth century; more recently it was developed into the Wisconsin mound sytem. The design guidance covers the most common types of mound filters that are likely to be employed in the UK in the near future. The guide includes an introduction to wastewater treatment, guidelines on construction and maintenance of mound filters, design criteria, and trouble-shooting solutions.

Contents
  • Foreword
  • Preface
  • Acknowledgements
  • Introduction
  • Wastewater treatment systems
  • Wastewater disposal systems for sites with little, or poor, soil
  • Anatomy of a mound filter system
  • Types of mound filter system
  • The NODAK system
  • The Wisconsin mound
  • The European infiltration mound filter
  • European infiltration mounds: general principles
  • Site evaluation
  • Sizing of mound filter systems
  • Construction of mound filter systems
  • Alarm systems
  • Dosing options, features and their important factors
  • Construction procedure
  • Use and maintenance of mound filter systems
  • Using mound systems
  • User's manual
  • Maintenance of mound systems
  • Failure mechanisms of mound systems
  • Current use in the UK
  • Appendices
    • Wastewater composition
    • Wastewater treatment options before disposal in soil
    • Biomat development and function
    • Wastewater treatment in soil
    • Wastewater treatment: general principles and definitions
    • Common problems and solutions for mound filter systems
    • Experience of mound filters in the USA 8 BS 6297 percolation test
    • Some proposed EN percolation rate determination methods
    • Sand as a filter material: information and assessment
    • Laboratory and on-site sand specification checking tests
    • Worked example
    • Drainage mound system design check list
    • Examples of recent installations