Course 2: TRANSFER AND TREATMENT OF HUMAN EXCRETA AND GREYWATER

Unit

Unit 5: Constructed Wetlands


Expected Study Load : 8 hours.



Learning Objectives:

After completing this unit, you will:

  • know about the different types of constructed wetlands (CWs)
  • be able to distinguish between the free water surface CW and sub-surface flow CWs
  • know basic principles of wastewater treatment in constructed wetlands
  • know how to estimate the required surface area of a constructed wetland, using simple design parameters such as load of BOD per square metre and day
  • have an awareness of operation and maintenance issues for constructed wetlands
  • have a mental picture of what it looks like to construct sub-surface flow CWs


Places to Go:

Recommended reading sources on Internet
  • http://www.epa.gov/wetlands/watersheds/cwetlands.html
  • http://en.wikipedia.org/wiki/Constructed_wetland
  • http://www.constructedwetland.co.uk/


Sources for the Constructed Wetlands Unit:
Last modified: Friday, 9 November 2012, 12:20 PM