| 摘要 |
PROBLEM TO BE SOLVED: To provide an inexpensively introducible asbestos treatment method where detoxification can be sufficiently performed. SOLUTION: The asbestos treatment method is characterized by immersing asbestos into acid with a prescribed concentration or above at a prescribed temperature or above for a prescribed time or above, removing the solution, thereafter, immersing the remaining fibrous substance into alkali with a prescribed concentration, and dissolving the fibrous substance. The asbestos treatment method is also characterized by immersing asbestos into acid, so as to elute Mg, next, removing the solution, thereafter, immersing the obtained fibrous substance into alkali, so as to elute Si, and dissolving the fibrous substance. COPYRIGHT: (C)2009,JPO&INPIT |
