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Straining (fabric or micro)

1 byte added, 04:22, 17 January 2013

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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~~500px|The steps of filtering water through a cloth. Diagram: CARE/CDC Health Initiative, etc. from [http://www.cdc.gov/safewater/manual/sws_manual.pdf Safe ProjectsSafe Water Systems for theDeveloping World:A Handbook for ImplementingHousehold-Based Water Treatmentand Safe Storage ProjectsEstes.]]]

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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

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