dorr operator

dorr operator

A professional who tends processing equipment that separates organic colloidal matter from carbonated raw sugar beet liquor, and purifies liquor prior to refining into granulated sugar. Respnsibilities include:

Opens valves and starts pump to fill settling tank with liquor and adds specified amounts of lime or milk of lime solution.

Sets controls to maintain specified temperature of lime-liquor solution to aid in precipitation process.

Takes sample of liquor from tank and tests for purity, using refractometer.

Opens valves and pumps liquor to process storage tanks and lime sludge to filter station.

Washes remaining sludge from bottom of settling tank.

Records data, such as amount of liquor processed and refractometer readings on batches, in station log.

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Part of Speech: noun
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Industry/Domain: Professional careers
Category: Occupational titles
Company: U.S. DOL
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