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Process and device in a recovery plant chemicals from a paper mill sulfate.
Process and device in a recovery plant chemicals from a paper mill sulfate.
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机译:从造纸厂硫酸盐回收工厂化学品的过程和设备。
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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.
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