| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a method for separating metal contained in soil from the soil, and collecting the metal. SOLUTION: This method for collecting the metal comprises extracting the metal contained in the soil as ions with the use of acid water, then adding a surface active agent to the extracted water, forming foam on the extracted water, uptaking and collecting the metal ions on the surface of generated foam.</p> |
