WASH Technology

Entries from February 2009

Hospital water treatment: fact sheet on system for Shechen Clinic in Kathmandu, Nepal

February 11, 2009 · Leave a Comment

A system for treating groundwater for the Shechen Cliinc in Kathmandu, Nepal, was constructed with a € 28,000 microgrant from the Fondation Ensemble. The system delivers water in three different qualities for different uses, as shown in the scheme below.  Read the 2-page technical sheet “Water autonomy and quality in the Katmandu Shechen Clinic” by Roger Rousse here (Fondation Ensemble, 2009).

Ensemble Fondation

Fondation Ensemble

Categories: Filtration · South Asia
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Upflow biofilters: treating septic tank effluent in squatter settlement in Nepal

February 10, 2009 · Leave a Comment

Thirty-one households in Narayan Tole squatter settlement near Maharajgunj of KMC-3 , Kathamdu, have recently constructed ‘up-flow bio-filters’ to treat septic tank effluent. They have constructed two such filters spread in over 342 sq ft area with the financial and technical support of UN-HABITAT Water for Asian Cities Programme Nepal, WaterAid Nepal and Lumanti Support Group for Shelter.

Only 16 households in the area had toilets until a year ago. They used to let their toilet waste mix directly into nearby rivers. [...] All the households in the area now have toilets. They have constructed a 180-metre-long sewer to channel the toilet waste to the filters.

The filter first separates solid and liquid wastes and treats the liquid waste. After the treatment, the waste water [flows] into the rivers while the solid waste remains in the tank. The bio-filters were constructed with Rs. 0.2 million collected from the donors and locals. The locals have formed Narayan Tole Sudhar Samiti (NTSS) to take care of the filters.

Kalpana Karki, treasurer of the Samiti, told that it collects Rs. 35 per month from each household for the maintenance of the filters. [...] “We will use the digested solid waste as fertilizer in our fields,” Karki said.

Related news: Nepal, Kathmandu: squatters seek NGO help to defeat river pollution, Source Weekly, 15 Dec 2008

Source: NGO Forum,10 Feb 2009

Categories: South Asia · Wastewater treatment
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