METHOD OF DISTILLATION OF CRUDE GLYCEROL Russian patent published in 2003 - IPC

Abstract RU 2210560 C1

FIELD: fat and oil industry, chemical technology. SUBSTANCE: invention relates to production of distilled glycerol. Method involves distillation of crude glycerol under vacuum at residual pressure 2.0-2.67 kPa and temperature 175-180 C. Before distillation phenosane-28 is added to glycerol in the amount 0.2-0.3+ACU- of distilling glycerol mass. Method allows the improvement of quality of distilled glycerol and to stabilize the distillation process. EFFECT: improved method of distillation. 1 tbl, 2 ex

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RU 2 210 560 C1

Authors

Klimova N.P.

Postolov Ju.M.

Gubanov A.V.

Lisitsyn A.N.

Dronikova T.V.

Dates

2003-08-20Published

2002-06-11Filed