IWA Publishing

Software Developed for “Sustainable Treatment and Reuse of Municipal Wastewater` by Menahem Libhaber and Alvaro Orozco-Jaramillo

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In most developing countries many people are lacking access to water and sanitation services. Collection and conveyance of wastewater out of urban neighbourhoods is not yet a service provided to all the population and adequate treatment is provided only to a small portion of the collected wastewater, in most cases covering less than 10% of the municipal wastewater generated. In slums and peri-urban areas it is not rare to see raw wastewater flowing in the streets. The inadequate water and sanitation service is the main cause of diseases in developing countries.

Considering the expected population growth in developing countries and the order of priorities in the development of the water and sanitation sector in these countries (water supply and sewerage first and only then wastewater treatment), as well as the financial difficulties in these countries, it cannot be assumed that the current low percentage of the coverage of wastewater treatment in these countries will increase in the future, unless a new strategy is adopted and innovative, affordable wastewater treatment options are used. Application of appropriate wastewater treatment technologies, which are effective, low cost (in investment and especially in operation and maintenance), simple to operate, proven technologies, should be a key component in any strategy aimed at increasing the coverage of wastewater treatment.

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