| 摘要 |
An apparatus and method using fine tourmaline crystals is provided which is capable of creating an interfacial purifying activity in water. The inventor is the first to discover that tourmaline crystals, when ground preferably to about 3 microns in size, possess permanent polarity unless heated to their Curie point of between 950 DEG -1000 DEG C. for 2-3 hours. The apparatus and method utilize a plurality of free bodies contained in a housing for passing water to be treated therethrough. The free bodies comprises a mixture of these fine tourmaline crystals which together with an electrically insulating material which electrically insulates the fine tourmaline crystals from one another. The free bodies are preferably spherical pellets about 3-5 millimeters in diameter. The water interfacial purifying activity does not only treat water by reducing or removing cholorine and ion components, but it also helps remove contaminants incrusted on the inner surfaces of water conduits and supply lines.
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