Production of ceramic water filters

This video shows the production of ceramic filters for drinking water supply in Yemen and the application of colloidal silver to provide bacterial free drinking water out of the filter. This filter is introduced by GTZ-IWRM in Yemen in 2008

More info: www.silverfilters.org
Produced by: GTZ-IWRM
Year:
Language: English

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clay filter GTZ pottery sanaa silver TAWC treatment yemen  
Date
May 15, 2020  
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