Case Study: Candy Manufacturing VOC Control

Coating edible products such as candy and chocolates often utilizes a panning / polishing process in which the edible product is coated with a confectioners glaze (a shellac/alcohol solution) as it tumbles in a revolving drum.  Exhaust of the panning process will contain particulates including; sugars, starches, and other food grade ingredients.  As drying air is introduced to the pan in order to evaporate the alcohol, significant emissions of VOCs such as Ethyl Alcohol, Ethyl Acetate, and Acetone, are exhausted into the air handling system and released into the environment.

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