The handbook of soap manufacture
Chapter 8
GLYCERINE MANUFACTURE AND PURIFICATION 111
Treatment of Lyes--Evaporation to Crude Glycerine--Distillation--Distilled and Dynamite Glycerine--Chemically Pure Glycerine--Animal Charcoal for Decolorisation--Glycerine obtained by other methods of Saponification--Yield of Glycerine from Fats and Oils.