| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for easily removing silicon contained in water in a short time without using electric power and an equipment for the same. SOLUTION: A water excluding hard water containing silicon is allowed to pass through a container 12 housing obsidian 10 to add active hydrogen to the water. Thereafter, the water which has passed through the above container 12 is allowed to pass through an aluminum cartridge 28 housing tourmaline 32 and a metal 34 therein. Thereby, the silicon contained in the water is separated from the water through adhesion to the inner wall of the aluminum cartridge 28. COPYRIGHT: (C)2004,JPO
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