Effect of temperature on the twitchell fat splitting process and its catalysts

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Abstract
Summary: Velocity constants of the Twitchell hydrolysis have been calculated from recently published experimental data and found to increase approximately twofold for a 10°C. rise around the temperature of 100°C. This seems to indicate that the rate of reaction is governed by hydrolysis rather than by diffusion of water into the fat phase (and of glycerol into water).Preheating to 150°C. reduces the efficiency of the old type of Twitchell catalyst but does not affect the “Kontakt” reagent. The increasing of the temperatures from 100°C. to 150°C. substantially accelerates the hydrolysis independent of the type of Twitchell reagent employed.

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