Yayasan Tirta Indonesia Mandiri
TCM manufactures ceramic pot water purifiers, inspired from the technology introduced by Potter for Peace.
Tirta Cupumanik (TCM) are silver enhanced ceramic ‘pot’ water filters for household drinking water treatment manufactured in Indonesia based on the open source technology promoted by Potters for Peace.
Manufacturer in partnership with the Ministry of Research & Technology has established a business unit responsible for marketing and distribution, individual sales.
Household water treatment methods and products available in local market.
Goal 6: Clean water and sanitation
Locally sourced clay and risk husks are processed, mixed with water, pressed into the filter shape and fired to a ceramic state, flow rate tested to ensure product consistency and coated with silver nitrate solution. It is made of a mixture of clay and rice husk burnt about 600-800º C which in turn produces a ceramic pot through a vitrification process (changing the nature of clay to ceramic). Ceramic properties that can absorb oxygen produce fresh drinking water such as jug water.
Users can obtain the product through market-based sales, NGOs, other organizations and institutions.
The product consists of ceramic pots which have taps and lids attached. It comes in 4 different varieties based on the quality of outer body and size.
Specifications: Height: 48 cm; upper diameter: 35 cm; unit weight: ~8 kg. Flow rate 1-3.5 liters per hour.
To rejuvenate flow rate when filters clog, users scrub ceramic filtering element with a brush.
Available locally: tap for dispensing water, safe storage container, ceramic filtering element.
2-3 years depending on turbidity of source water
Performance targets: 2 log reduction in bacteria, and to some extent reduces iron and manganese content in the water.
The product has been recognised and supported by international organisations as well as government.
Filters are tested at a local accredited laboratory for physical, chemical and bacteriological characteristics.
TCM is suitable to treat only low turbidity water which doesn’t have hazardous metals in it
Pre-filter or settle very turbid water (>5 NTU).
How often/when should maintenance be performed?
Currently household water treatment technologies are not regulated in Indonesia.
Factory carries out quality control evaluations and water quality is tested at a local accredited laboratory.
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