Job Description:

• 1) Tends batch stills to separate, by distillation, liquids having divergent volatilization temperatures: Pours specified types and quantities of materials into still.

• 2) Observes thermostat and sets controls on instrument panel to maintain specified volatilization temperatures throughout distillation cycle and to control condensation of components.

• 3) Draws samples of distilled liquids for laboratory analysis or performs refractometric or other tests, using standard procedure and equipment.

• 4) Observes color of distillate to determine when distillate is completed.

• 5) Records operating data, such as weight, yield of products, gauge readings, and number of batches distilled.

• 6) May tend continuous-flow vacuum still.

• 7) May be designated according to product distilled or formed as Ammonia-Still Operator; Crystallizer Operator II; Degreasing-Solution Reclaimer; Glycerin Operator.