Ceramic Tamakloe Limited
CT Filtron are silver enhanced ceramic ‘pot’ water filters for point of use drinking water treatment manufactured in Ghana based on the open source technology promoted by Potters for Peace.
GHC 50.00, ~USD 13 (August 2016)
Household water treatment methods and products available in the local market.
Households, individuals, schools
Locally sourced clay and sawdust are processed then mixed with water, pressed into the filter shape, fired to a ceramic state, flow rate tested to ensure production consistency and coated with silver nanoparticle solution.
More than 10,000 units
How often/when should maintenance be performed?
The CT Filtron filtering element is made from porous clay that once fired, permits water to pass through but not dirt and the harmful bacteria.The ceramic filtering element is also treated with silver nanoparticles.
To rejuvenate flow rate when filters clog, users scrub ceramic filtering element with a brush.
Replacement pieces are available through a local CT filtron distributor.
Performance targets: removes Guinea Worm, Cholera, E.Coli and other common pathogenic bacteria. Bacteria reduction of >2 log and 2-4 liter per hour flow rate (when full).
Extracts of test results from the Water Research Institute of the Council for Scientific and Industrial Research (CSIR) Ghana indicate elimination of Guinea Worm, Cholera, E. Coli and other listed bacteria.
The results from Dept. Of Microbiology, University of Ghana Medical School indicate that the CT Filtron is effective in removal of pathogenic parasitic protozoa, other macroscopic organisms and debris from water.
CT Filtron removed 99.5% of total coliform when measured by membrane filtration.
Pre-filter or settle very turbid water (> 5NTU).
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