FIELD: sugar production. SUBSTANCE: method involves alkalization of ammonia and barometric water mixture with using lime milk in the amount of 0.23-0.27% to water mass. Deammoniation of mixture is conducted by air without ozone and it is saturated up to pH 9.5-9.7 with formation of calcium carbonate. Saturated water is mixed with pulp-press water up to pH of nourishing water equal to 7.8-8.1 and aged for 6-10 min. Then residue is removed from nourishing water and the latter is sulfitized. EFFECT: increased degree of water purification. 14 ex
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Authors
Dates
1999-08-27—Published
1998-02-04—Filed