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Iron filter

777 bytes added, 03:58, 18 September 2012
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For greater detail about construction as well as operation and maintenance (how to clean the filter, etc.), refer to [http://ec.europa.eu/echo/files/evaluation/watsan2005/annex_files/SILSOE/SILSOE1%20-%20Iron%20Reducing%20Filter%20-%20Tyrrel.pdf Interim Design, Construction and Operation Guidelines for a Biologically-Enhanced Iron Removal Filter for Attachment to Handpumps].
 
==Costs==
====Biologically-enhanced method====
A prototype built in Uganda (circa 1997) cost about £235 of which £200 was the cost of the tank (which could be made more cheaply). The principal recurrent cost would be the employment of a caretaker. Even if a donor is prepared to pay for the filter itself, it may be that the community have to pay the caretaker’s wages. This is another example of where user motivation is important. Perhaps the caretaker could have a combined role for the upkeep of both the handpump and the filter. Such an arrangement would depend on how water supply is organised at a given location. The caretaker is likely to need additional, occasional support in the event of more serious problems with the operation and maintenance of the system.
==Acknowledgements==
* [http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&ved=0CKoBEBYwAQ&url=http%3A%2F%2Fwww.itnphil.org.ph%2Fdocs%2FIron%2520Removal%2520Filter.PDF&ei=PT_ZT8vKBOjD2QWp942rBw&usg=AFQjCNFNm2C1AYQdDm5RCYXIYTiSApR4yg&sig2=cZ3xdyp7j_aozRydD4jLGg IRON REMOVAL FILTER.] PHILIPPINE CENTER for WATER and SANITATION.
* Dr. Sean Tyrrel, [http://ec.europa.eu/echo/files/evaluation/watsan2005/annex_files/SILSOE/SILSOE1%20-%20Iron%20Reducing%20Filter%20-%20Tyrrel.pdf Interim Design, Construction and Operation Guidelines for a Biologically-Enhanced Iron Removal Filter for Attachment to Handpumps.] Cranfield University.
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