Source - Technology Update
Point-of-use treatment: solar disinfection research and testing
18 Jan 08
The Environment and Public Health Organization (ENPHO), Nepal, is involved in testing and promotion of solar disinfection (SODIS), Solvatten, and colloidal silver (CS) filters. American researchers have now found ways to speed up SODIS in both cloudy and sunny weather.
Renewable energy: solar-powered, pre-paid rural water supply system, Philippines
03 Dec 07
In 2003, Butong, a Cebu Island village in the Philippines, acquired a solar-powered, pre-paid, water supply pumping and distribution system. Payment for the 7-year loan, which finances the system, comes solely from the sale of pre-paid cards.
Household treatment: developing business models to scale-up use
03 Dec 07
Increasing the availability and use of household water treatment technologies like biosand and ceramic filters, is the focus of the Carolina Global Water Partnership project of the University of North Carolina (UNC) at Chapel Hill, USA. The project will explore different business models involving microfinancing and microfranchising.
Water quality: consortium gets US$ 13 million grant to develop low-cost test device
02 Dec 07
An international consortium led by the University of Bristol has received a US$ 13 million grant from the Bill and Melinda Gates Foundation to develop Aquatest, a low-cost hand-held device to detect E.coli in water.
Handwashing: new water-saving technology introduced in Rwanda
08 Nov 07
Minisante, the Ministry of Health of Rwanda, is promoting the Canacla, a new individual and public hand-washing technology, that is more hygienic than normal taps and also uses much less water.
Open source: Akvo.org, a “Wikipedia and eBay for water”
04 Oct 07
Akvo.org is a project presented at the 2007 Stockholm World Water Week that aims to be an open source wiki and set of collaboration and finance tools that pool existing knowledge on water and sanitation for the poor. A prototype web site has been developed.
Fog collection: field study comparing mesh materials in Oman
14 Jun 07
Experiments conducted in mountainous areas in the Dhofar Region of Oman showed that fog collectors made from air conditioner filter were more effective than those made from green shade mesh or aluminum shade mesh.
Condominial sewerage: a solution for the sanitation crisis in urban areas?
14 Jun 07
The success of condominial sewerage in Brazil has led to a growing interest worldwide. Condominial systems combine a group of houses' small diameter sewerage networks into a single system. In densely populated peri-urban areas, they are often the only feasible option.
Sustainable sanitation: researchers develop technology selection algorithm
13 Jun 07
Researchers have published a sanitation selection algorithm, which considers all the available sanitation arrangements and is based on the principles of sustainable sanitation. It is especially designed for the poor and very poor rural and peri-urban areas in developing countries
Rainwater tanks: better than dams, desalination: Australian report
23 May 07
A new Australian study shows that rainwater tanks are cost competitive with desalination, yet five times more energy efficient - significantly reducing greenhouse gas emissions. It also revealed that they could delay big water projects like dams for up to a decade.
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