| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a mineral solution for removing not only suspended matter but also dissolvable pollutant, in particular, dissolvable organic matter and heavy metals, and to provide a sewage cleaning process easy to perform, applicable to a narrow place or an existing site, causing no environmental load. Ž<P>SOLUTION: The mineral solution is obtained by eluting granite, basalt, peridotite and clay mineral into an inorganic acid. The mineral solution is added to sewage to coagulate and precipitate the dissolvable organic matter and heavy metals contained in sewage. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
|
