Method for the disposal of excess sludge

摘要

PCT No. PCT/AT95/00198 Sec. 371 Date Aug. 9, 1995 Sec. 102(e) Date Aug. 9, 1995 PCT Filed Dec. 23, 1993 PCT Pub. No. WO94/15019 PCT Pub. Date Jul. 7, 1994A method for incinerating excess sludge from biological waste water treatment plants, in particular sludges arising from the manufacture of paper or paper pulp, preferably using the magnesium fusion process. Before incineration, the excess sludge is neutralized with the same base as used in the paper pulp process and the dust entrained by the combustion gas is precipitated to recover the base.