Application of the clean development mechanism in the sanitation sector: "Proof of concept"

Alexander Meneses, Walter Vergara, Keisuke Hanaki, Mickiel Doorn, Eudes Hern Ndez, Marcos Gryshek, Alfred Grunwaldt, Alejandro Deeb

Research output: Articles / NotesScientific Articlepeer-review

3 Scopus citations


Greenhouse gas emissions from the waste sector account for only 4% of the total production, with wastewater management accounting for accurately 8 to 10% of this contribution. Wastewater disposal and treatment activities, mainly contributes to non-CO2 gases such as methane (CH4) and nitrous oxide (N2O). Capturing or avoiding these emissions is thus both a concern and an opportunity. The clean development mechanism (CDM) offers an instrument to internalize global climate concerns into the design of wastewater treatment facilities. Properly designed facilities could improve effluent quality and optimize the abatement of greenhouse gas emissions, thus ensuring additional revenues to pay for capital, operation and maintenance costs and possibly justify higher levels of wastewater treatment. This document summarizes the experience of the "Rio Frio CDM project" in Colombia, as an example of what is achievable through the CDM application in wastewater treatment upgrade in developing countries. This document summarizes the scope of the project, the methodology used to establish current greenhouse emissions and future reductions, and the estimated financial results.

Original languageEnglish
Pages (from-to)788-797
Number of pages10
JournalClean - Soil, Air, Water
Issue number9
StatePublished - Sep 2008
Externally publishedYes


  • Clean development mechanism
  • Emissions trading
  • Kyoto protocol
  • Municipal wastewater treatment
  • Non-CO greenhouse gases
  • Upflow anaerobic sludge blanket (UASB)


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