| 摘要 |
PURPOSE:To supply a safe hot spring water while the water quality of the hot spring is changed as scarcely as possible by effectively separating manganese from the hot spring water containing manganese ions. CONSTITUTION:After manganese mud containing manganese oxide is added to and mixed with a hot spring water containing manganese ions and aeration by air is carried out, the manganese mud is separated by a solid-liquid saparation means and the separated manganese mud is returned and circulated and reused. |
