water purification(redirected from Non industrial water filtration)
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water purification, emergency
methods of purifying unclean water for drinking purposes in emergencies. The three basic techniques include boiling the water and straining it through a cloth, adding 3 drops of tincture (alcoholic solution) of iodine per each quart of the water, and adding 10 drops of 1% chlorine bleach per each quart of water. When purifying chemicals are added, they should be thoroughly mixed with the water, and the mixture allowed to stand for 30 minutes. Also called emergency preparation of safe drinking water.