Method for water filtration

Details Method for water filtration Method for water filtration

C - Chemistry, Metallurgy

02

F

182/9, 204/98

C02F 9/00 (2006.01) B01D 61/02 (2006.01) B01D 61/04 (2006.01) B01D 61/58 (2006.01) C02F 1/04 (2006.01) C02F 1/28 (2006.01) C02F 1/44 (2006.01) C02F 1/469 (2006.01) C02F 1/32 (2006.01) C02F 1/42 (2006.01) C02F 1/68 (2006.01)

Patent

CA 1338531

Potable water from a municipal water supply is treated to remove suspended solids, organic and inorganic dissolved solids, dissolved carbon dioxide gas and metal contaminants so as to produce ultra-pure water in the 16 megohm-cm3 and greater range. The process involves prefilteration of the water; activated carbon filtration; secondary guard filtration; double reverse osmosis treatment of the water. The process further involves the use of either an anion exchange or electrodialysis unit to remove further impurities from the water. A method for recycling part of the discharged water is also provided.

592357

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