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TITLE(s): SATURATOR OPERATOR (chemical; steel & rel.) alternate titles: ammonium-sulfate operator; sulfate operator Controls saturator tank and auxiliary equipment to precipitate ammonium sulfate by reaction of ammonia with sulfuric acid: Turns valves to admit sulfuric acid and liquid or gaseous ammonia to saturator until precipitation occurs, and to regulate saturation of solution, using titration test to determine acidity of bath. Observes temperature and pressure gauges to ascertain that process conditions meet plant standards, and turns valves to maintain operating equilibrium within specified range. Notifies supervisor or starts pumps to discharge precipitate onto drain table to settle out crystals, and pumps strained liquor back to bath. Records gauge readings for operating log. May move controls to reheat gas prior to saturation. May tend centrifuge to dry ammonium sulfate. May take samples of product and constituents for laboratory analysis. GOE: 06.02.11 STRENGTH: L GED: R3 M2 L2 SVP: 5 DLU: 77 ONET CROSSWALK: 92935 Chemical Equipment Controllers and Operators | |||||||||||||||||||||||||||||||||||
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