| 摘要 |
<p>A method for removal of surface scum in an apparatus, which includes at least a first surface chute arrangement that exists in a liquid basin and which is meant for removal of surface scum. Surface scum is exhausted by an overflow arrangement belonging to the first surface chute arrangement and being based on a continuous flow, with which surface scum is overflown in at least two successive phases. Also an arrangement for removal of surface scum operating according to the method.</p> |
