A PROCESS FOR PURIFICATION OF A FIBRE SUSPENSION

摘要

PCT No. PCT/SE97/01401 Sec. 371 Date May 6, 1999 Sec. 102(e) Date May 6, 1999 PCT Filed Aug. 25, 1997 PCT Pub. No. WO98/08610 PCT Pub. Date Mar. 5, 1998A process for the purification of a fiber suspension (deinking or white water) in which a mixture of fiber suspension and gas bubbles are jtted into a flotation tank in an upwardly directed manner toward the free surface of the pulp at a velocity of greater than Sm/s and the jet ends at or just below the free surface of the mixture.