摘要 |
<p>The present invention relates to a method for reducing sludge, comprising holding anoxic sludge in a container, in particular a sedimentation tank, wherein the anoxic sludge comprises oligochaete-treated sludge. Furthermore, the invention relates to a method wherein the anoxic sludge is contacted with oligochaete material, preferably by adding oligochaete material to the container. The invention also relates to a sedimentation tank and the use thereof for reducing sludge.</p> |