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The application of Appropriate Technology

Solar Water Treatment

This is a very simple method of killing pathogens in water using nothing more than a soft drink bottle and the sun.

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    SODIS is a water treatment method which uses solar energy to improve the microbiological water quality. It is used at household level to treat small quantities of drinking water. The treatment process is a simple technology using solar radiation to inactivate and destroy pathogenic microorganisms present in the water. The treatment basically consists in filling […]

    Solar Water Distiller

    Solar Stills operate on the same principles that produce rainfall. The sun is allowed into and trapped in the Still. The high temperatures produced destroy all pathogens. The water evaporates, and in this process, only pure water vapor rises in the Still, only to condense on the glass. You can read the whole document as […]