| 摘要 |
A method for treatment of water works sludge. Water works sludge is a waste product that at present is returned to the recipient that the water works takes it water from. This cannot continue in the long run. The water works sludge must be taken care of. Significant for the method according to the invention is that the water works sludge is dried in a first step is dried, then the water works sludge is air-dried in a second step to a dry matter content of 30-80%. According to a preferred embodiment of the invention the dried water works sludge is further processed to an absorber, especially absorbers for oil or urine from cats, the dried water works sludge being crushed or subjected to further drying.
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