| 摘要 |
<p>A method for treatment of sludge from wastewater treatment plants, said sludge comprising at least partly suspended biological matter, is provided. Said method comprises the steps of elevating the pressure of the sludge; and filtrating the sludge in one or more ultra filtration and/or micro filtration units, whereby a concentrate and a permeate is obtained, said concentrate comprising substantially all said suspended biological matter and said permeate comprising substantially no suspended biological matter.</p> |
