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Occupational Employment Statistics


51-9012 Separating, Filtering, Clarifying, Precipitating, and Still Machine Setters, Operators, and Tenders

Set up, operate, or tend continuous flow or vat-type equipment; filter presses; shaker screens; centrifuges; condenser tubes; precipitating, fermenting, or evaporating tanks; scrubbing towers; or batch stills. These machines extract, sort, or separate liquids, gases, or solids from other materials to recover a refined product. Includes dairy processing equipment operators. Excludes “Chemical Equipment Operators and Tenders" (51-9011).

Geography Click link for Career Profile EmploymentEmp SE*Percentiles
Central Minnesota 11017$22.38/hr$18.94/hr$19.07/hr$23.79/hr$24.71/hr$27.41/hr

IndustryOES Employment (Statewide)OES Median Wage (Statewide)
Natural Resources and MiningN/AN/A
Trade, Transportation and Utilities50$25.35/hr
Leisure and Hospitality180$20.05/hr
Geography Click link for details EmploymentMedian WageProjections
% Change 2020-2030
Grand Forks ND-MN MSA N/AN/AN/A
Mankato-North Mankato MN MSA N/AN/AN/A
Rochester MN MSA N/AN/AN/A
Northeast Balance of State N/AN/AN/A
Duluth MN-WI MSA 30$19.38/hrN/A
La Crosse WI-MN MSA 30$19.53/hrN/A
Northeast Minnesota 40$19.60/hr0.0%
Northwest Balance of State 70$24.65/hrN/A
Southwest Balance of State 70$22.36/hrN/A
Central Minnesota 110$23.79/hr13.1%
Fargo ND-MN MSA 150$24.75/hrN/A
Northwest Minnesota 170$24.65/hr-1.9%
Southeast Minnesota 180$24.03/hr-3.4%
Southwest Minnesota 340$24.71/hr-0.2%
Southeast Balance of State 340$24.65/hrN/A
Seven County Mpls-St Paul, MN 380$22.59/hr-3.6%
Minneapolis-St Paul-Bloomington MN-WI MSA 500$23.55/hrN/A
Minnesota 1,230$24.03/hr-1.0%

  • Monitor material flow or instruments, such as temperature or pressure gauges, indicators, or meters, to ensure optimal processing conditions.
  • Inspect machines or equipment for hazards, operating efficiency, malfunctions, wear, or leaks.
  • Maintain logs of instrument readings, test results, or shift production for entry in computer databases.
  • Operate machines to process materials in compliance with applicable safety, energy, or environmental regulations.
  • Test samples to determine viscosity, acidity, specific gravity, or degree of concentration, using test equipment such as viscometers, pH meters, or hydrometers.
  • Communicate processing instructions to other workers.
  • Examine samples to verify qualities such as clarity, cleanliness, consistency, dryness, or texture.
  • Set up or adjust machine controls to regulate conditions such as material flow, temperature, or pressure.
  • Collect samples of materials or products for laboratory analysis.
  • Measure or weigh materials to be refined, mixed, transferred, stored, or otherwise processed.