Asociación Ocañera Comercializadora de Productos de Arcilla y Afines (ASOPAFIN)
A silver-enhanced ceramic water filter for household drinking water treatment.
The Arcifiltro is a silver enhanced ceramic ‘pot’ water filter for household drinking water treatment. This product is manufactured in Colombia with the help of OXFAM GB and Crediservir Foundation. It is an open source technology promoted by Potters for Peace.
Colombia, South America
~ 40.00 USD (120,000 COP)
Household water treatment methods and products available in local market.
Goal 6: Clean water and sanitation
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 nanoparticles.
Non-governmental organizations and individual sales
~30,000 units as of August 2016
Description of the type of ceramic filter (pot, candle, or disk)
What primary material is used (ceramic, mud, clay etc.)?
Additional materials added to improve disinfection
Manufacturer-specified flow rate (L/hr)
Laboratory-evaluated log scale removal rate of bacteria
Laboratory-evaluated log scale removal rate of viruses
Laboratory-evaluated log scale removal rate of protozoa
Reduction levels of heavy metals and/or arsenic through this treatment system
Manufacturer-specified maximum level of inlet turbidity (NTU)
Range or value of outlet turbidity levels (NTU)
How often/when should maintenance be performed?
What is the total number of liters that is recommended can be filtered?
Is there safe water storage integrated into this product?
The product filters water through micropores of size 0.2 microns not allowing bacteria to pass. The filter is then bathed in colloidal silver that prevents the reproduction of microorganisms trapped in the filter.
Specifications Diameter: 32 cm, Height: 25 cm height, Dirty water volume: 10 L; Flow rate: 2 L/hr when full.
The product comes in 2 different external presentations in plastic or clay.
Instructions for use: To rejuvenate flow rate when filters clog, users scrub ceramic filtering element with a brush.
Available in country: tap for dispensing water, safe storage container, ceramic filtering element.
>2 log bacteria reduction, 2 L/hr flow rate.
Clean the filter regularly for longer life
Pre-filter or settle very turbid water (>5 NTU).
Laboratory & field evaluations
Video on ceramic filter maintenance.
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