Waste Stabilization Ponds and Constructed Wetlands Design Manual Acknowledgement
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Date
2005
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Abstract
Waste Stabilization Ponds (WSP) and Constructed Wetlands (CW) have proven to be
effective alternatives for treating wastewater, and the construction of low energy-consuming
ecosystems that use natural processes, in contrast to complex high-maintenance treatment
systems, will hopefully lead to more ecologically-sustainable wastewater treatment in the future.
CWs and WSPs also have the capability of meeting the demand for a high percentage removal of
pathogenic organisms, compared to conventional technologies. CWs and WSPs combined, and
joined with other technologies, may be important for even more improved performance of water
cleaning systems. WSP’s and CW’s are now well-established methods for wastewater treatment
in tropical climates. Their many advantages include: simplicity, low cost, low maintenance, low
energy consumption, robustness, and sustainability. While WSPs are most commonly used for
treating domestic wastewaters, they are also successfully used for treating industrial wastewater,
including water that contains agro-industrial wastes. One of the potential advantages of using
constructed wetlands is that they do not allow mosquitoes to breed (sub-surface flow wetland).
The process of designing WSPs and wetlands, and predicting their performance, is improving
rapidly as we gain more experience with these systems.
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Citation
Kayombo, S., Mbwette, T.S.A., Katima, J.H.Y., Ladegaard, N. and Jørgensen, S.E., 2005. Waste stabilization ponds and constructed wetlands design manual. UNEP-IETC with the Danish International Development Agency (Danida).