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TITLE(s): MOLYBDENUM-STEAMER OPERATOR (smelt. & refin.) Tends equipment that removes reagent from molybdenum ore concentrate: Installs different-size orifices to regulate flow of solids and liquids into vats. Adjusts steam valve to maintain concentrate at specified steaming point. Draws sample to determine alkalinity of concentrate, using titration test. Regulates flow of lime solution into vats according to alkalinity test readings to neutralize acids. Weighs sample and compares it with standard chart to determine percentage of solids in concentrate. Inserts airhose into vats to clear clogged outlets. GOE: 06.02.10 STRENGTH: L GED: R3 M2 L2 SVP: 4 DLU: 77 ONET CROSSWALK: 92962 Separating, Filtering, Clarifying, Precipitating, and Still Machine Operators and Tenders | |||||||||||||||||||||||||||||||||||
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