Manner and the device in the medicine recovery plant of the sulfate pulp factory

摘要

PCT No. PCT/SE91/00786 Sec. 371 Date Oct. 28, 1993 Sec. 102(e) Date Oct. 28, 1993 PCT Filed Nov. 20, 1991 PCT Pub. No. WO92/09742 PCT Pub. Date Jun. 11, 1992.In a chemicals recovery plant in a sulphate pulp mill, in order to provide green liquor with improved sedimentation and filtration properties, there is passed, from a flow (10) of slaked lime and green liquor between a lime slaker (9) and a causticizing tank (1 1), a partial flow (32, 35) to a soda dissolver (2) or to a container (26) for unclarified green liquor provided after the soda dissolver. For this purpose there is provided, in a line (10) between the lime slaker (9) and the causticizing tank (11), a branch line (32, 35) which passes to the soda dissolver (2) or to a container (26) for unclarified green liquor provided after the soda dissolver.