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|