FIELD: natural water purification. SUBSTANCE: method for purification of natural water includes mechanical treatment, full-spectrum pulse UV-radiation, desalination by back osmosis, treatment with carbon fibrous sorbent and repeated UV-radiation. Control of water quality is made after each purification stage. Number of purification stages in the given process may be varied depending on quality of initial water. EFFECT: higher efficiency. 2 dwg, 1 tbl
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