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Dowa Metals & Minning Co., Ltd.
| Dowa Metals & Minning Co., Ltd. Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20100140179 | POROUS IRON OXIDE AND METHOD FOR PRODUCING THE SAME AND METHOD FOR TREATING SOLUTIONS - To provide a recovery agent for recovering arsenic, fluorine, lead, and selenium from a solution containing environmentally hazardous substances including arsenic and fluorine. A porous iron oxide having a particle size of 10 to 100 μm and a specific surface area of 50 m | 06-10-2010 |