| 摘要 |
The invention relates to a method for treating a sludge wherein the method comprises drying the sludge (1) containing reject from a waste paper treatment, a paper mill and/or a waste water treatment plant in at least one drying step (2) to form the dried sludge (3), and recovering at least two fractions (10, 11a) from the dried sludge (3) in at least one separation step (4) so that the first fraction (10) includes at least fibers and the second fraction (11a) includes at least minerals. Further, the invention relates to a process for treating a sludge, a product and a use of the product. |
