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Purification of water may refer to any of the following. *Water purification, the large scale production of clean water for supply to consumer taps and industry. *Distilled water, the use of distillation to remove contaminants from water *Portable water purification, techniques for use in emergencies or away from conventional sources of clean water *Water filter, devices used for small scale quality improvement, often in domestic situations *Deionized water, industrial production of ultra pure water *Reverse osmosis, a technique for producing potable water from highly contaminated sources. *Sewage treatment, treatment of sewage to remove contaminants 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Purification of water」の詳細全文を読む スポンサード リンク
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