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       CODE: 551.362-010 Buy the DOT:Download/CD-ROM
TITLE(s): PURIFICATION OPERATOR II (chemical) alternate titles: gas-scrubber operator
Controls gas-scrubbing and related equipment to remove impurities from gases: Observes
temperature, flow, pressure gauges, and liquid-level indicators and moves controls to effect
operating equilibrium in equipment, according to plant procedure and correlation of instrument
readings. Observes gas-scrubbing fluid through sight glasses to determine process efficiency,
indicated by color and flow rate of fluid. Turns valves to maintain brine in brine scrubber at
specified strength and regulate temperature of hot water in scrubber jacket, according to indicated
efficiency of scrubbing fluid. Inspects pumps, motors, valves, and related equipment and replaces
packing in column scrubbers and nitrogen-drying columns at specified intervals with acid, calcium
chloride, or brine. Draws samples of gases and fluids for laboratory analysis. Maintains log of
gauge readings and results of laboratory analyses. Directs activities of PURIFICATION-OPERATOR
HELPER (chemical) 551.465-010.
GOE: 06.02.11 STRENGTH: L GED: R4 M2 L3 SVP: 7 DLU: 77
ONET CROSSWALK: 92962 Separating, Filtering, Clarifying, Precipitating, and Still Machine Operators and Tenders
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