| 摘要 |
PURPOSE:To remove harmful ammoniacal nitrogen, etc. by immersing, into drinking water, quartz, alkaline feldspar, biotite, etc. belonging to quartz porphyry which is igneous rock and contains rich minerals and various kinds of metallic elements. CONSTITUTION:Quartz, alkaline feldspar, biotite, etc. belonging to quartz porphyry which is igneous rock and abundantly contains minerals and metallic elements such as silicon, manganese, potassium, calcium, titanium, magnesium, aluminum, sodium, iron, and phosphorus are immersed into drinking water. Consequently, acidic or alkaline water is converted into neutral water by the dissolving action characteristic of water and the synergetic effect of ions of said various metals, and ammoniacal nitrogen and nitrous nitrogen which are harmful to human bodies can be removed or reduced.
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