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Straining (fabric or micro)

180 bytes removed, 02:08, 13 December 2012

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[[Image:straining icon.png|right]]

[[Image:straining with cloth.jpg|thumb|right|250px|A woman uses a sari cloth to strain water. Photo: CAWST.]]

 [[Image:cloth filtering.jpg|thumb|right|600px|The steps of filtering water through a cloth. Diagram: CARE/CDC Health Initiative, etc. from [http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=14&ved=0CDgQFjADOAo&url=http%3A%2F%2Fwww.cdc.gov%2Fsafewater%2Fmanual%2Fsws_manual/safewater/manual/sws_manual.pdf&ei=UYI1UOSsLIOviAK2zYFI&usg=AFQjCNGAyphAifOHvfYLoZ4oOxxTDn_c_g&sig2=CbDFQ2mGaKU44X6_m1SsYQ Safe ProjectsSafe Water Systems for theDeveloping World:A Handbook for ImplementingHousehold-Based Water Treatmentand Safe Storage ProjectsEstes.]]]__NOTOC__

Straining water through a cloth has been widely used for household water treatment in many cultures for centuries. A common sari cloth is usually used for this in South Asia, for example (photo on right). Straining through a fine cloth can take out guinea-worm, organic matter, and help clear up turbidity. Such cloths are effective in straining out the copepods in the water. These tiny water creatures act as intermediate hosts for the larvae which transmit the disease. Some guinea-worm eradication projects supply a large-diameter drinkingstraw with a filter mesh on one end so that

copepods are strained out when water is sucked up the straw.

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