FIELD: chemistry.
SUBSTANCE: invention relates to a method of drying sulphonol. Sulphonol containing 38-52% dry substances is pre-foamed. The foam is deposited on a flat carrier using a uniform rod with diametre of 4-6 mm at atmospheric pressure. The foam layer rod is dried with infrared energy input with heat flow density of 2.92-3.23 kW/m2.
EFFECT: increased output of dry sulphonol.
1 cl, 5 ex
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