Auxiliary for dewatering of sludge

摘要

PCT No. PCT/JP84/00214 Sec. 371 Date Dec. 3, 1985 Sec. 102(e) Date Dec. 3, 1985 PCT Filed Apr. 24, 1984 PCT Pub. No. WO85/04857 PCT Pub. Date Nov. 7, 1985.Dewatering of sludge is accomplished by adding an organic fibrous material having the bulk specific gravity increased by being pressed or being wetted with water and a high molecular weight flocculant to the sludge, adjusting the resulting flocs to a diameter of not more than 1 mm, and subjecting the flocs to vacuum or pressure filtration.