| 摘要 |
<p>The invention relates to a method for processing a metal-bearing sludge in conjunction with a metal separation process. According to the invention, the sludge ( 13 ) produced in the metal separation is classified based on a predetermined property of the sludge into a better ( 15 ) and a worse ( 17 ) substance fraction, as the process is concerned, and the worse substance fraction ( 17 ) is removed from the process and the better substance fraction ( 15 ) is returned to the process.</p> |
