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       CODE: 558.382-038 Buy the DOT:Download/CD-ROM
TITLE(s): KETTLE OPERATOR I (chemical)
Controls heated reaction kettles to process liquid and solid materials into specified chemical
products: Turns valves or starts automatic metering pumps that admit specified quantity of liquid
materials into kettle. Weighs and dumps or scoops prescribed solid, granular, or powdered
ingredients into kettle, according to production sheet. Starts agitator to mix materials for
specified time or stirs mixture with paddle. Observes gauges and recording instruments, and adjusts
valves and controls to maintain temperature, vacuum pressure, and speed of reaction in kettle within
prescribed limits. Draws sample of product for laboratory analysis. May test product for specified
characteristics, such as acidity and composition, using standard litmus paper test and pH meter. May
observe reaction through porthole in equipment and adjust controls to regulate speed or degree of
reaction, according to knowledge of process. May tend auxiliary equipment, such as quench tanks and
filter presses, to process resulting product or ingredients used to sustain reaction. May be
designated by degree of pressure maintained in kettle as High-Pressure-Kettle Operator (chemical);
Low-Pressure-Kettle Operator (chemical).
GOE: 06.02.11 STRENGTH: M GED: R3 M2 L2 SVP: 5 DLU: 77
ONET CROSSWALK: 92935 Chemical Equipment Controllers and Operators
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