Shapla Filter Description
Description
The filter consists of a 30-litre container filled with filter media: ferrous sulfate solution bonded to crushed brick particles. 20 kg of the media filters 4,000 liters of arsenic-contaminated water (at 0.3-0.4 ppm) reducing arsenic concentrations to undetectable levels and supplying an average family with 25-32 liters of safe drinking water per day. The used filter media is non-toxic and can be disposed of safely without danger to the environment or human health. The media container is re-useable and easily maintained.
Development
International Development Enterprises (IDE) has worked closely with Dr. Fakhrul Islam, Professor of Applied Chemistry and Chemical Technology at Rajshahi University (Bangladesh), to develop an inexpensive filter that will effectively remove arsenic from water.
The filter consists of a 30-litre container filled with filter media: ferrous sulfate solution bonded to crushed brick particles. 20 kg of the media filters 4,000 liters of arsenic-contaminated water (at 0.3-0.4 ppm) reducing arsenic concentrations to undetectable levels and supplying an average family with 25-32 liters of safe drinking water per day. The used filter media is non-toxic and can be disposed of safely without danger to the environment or human health. The media container is re-useable and easily maintained.
Development
International Development Enterprises (IDE) has worked closely with Dr. Fakhrul Islam, Professor of Applied Chemistry and Chemical Technology at Rajshahi University (Bangladesh), to develop an inexpensive filter that will effectively remove arsenic from water.
Performance
20 kg of the media filters 4,000 liters of
arsenic-contaminated water (at 0.3-0.4 ppm)
reducing arsenic concentrations to undetectable
levels and supplying an average family with 25-32
liters of safe drinking water per day.
Benefits & Drawbacks
Benefits
- Good arsenic removal
- Easy operation
- Manufacturing not simple
- Short media life
Costs
- Capital Costs: $7.00 US
- Operating & Maintenance: $2.80 US media replacement every 3 monthsy
Resources
References
& Links
