The Kenya Ceramic Project (KCP)
Ceramic pot filters that are manufactured and distributed in Kenya.
The CeraMaji is a silver enhanced ceramic ‘pot’ water filter for household drinking water treatment. This product is manufactured in Kenya and is an open source technology promoted by Potters for Peace.
Kenya and East Africa
Sold in supermarkets and through health care and health good providers, and through the Safe Water and AIDS Project (SWAP).
~15 USD as of 2016
Household water treatment methods and products available in local market.
Goal 6: Clean water and sanitation
The product is manufactured in factories in Kenya by locally sourced clay and a burnout material 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.
Filters can be purchased in supermarkets and through health care and health good providers.
Ceramaji filters have reached >100,000 people (~20,000 units) in communities in Kenya and neighbouring countries.
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 ~10 L capacity filter membrane is manufactured with clay and a burnout material and suspends in a 20 liter receptacle.
Manufacturer, local distributor, end-user
Available in country: ceramic filter element, receptacle, tap, lid.
2 log reduction in bacteria
The product should be cleaned regularly
Pre-filter or settle very turbid water (>5 NTU)
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