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TITLE(s): ION-EXCHANGE OPERATOR (smelt. & refin.) Tends battery of machines that recover uranium from slime (uranium sulfate and waste materials) through ion-exchange process: Regulates pumps to control flow of slime through machine tanks at specified level. Fills porous baskets in tanks to specified level with uranium collector (synthetic resin beads), using bucket. Starts machine that dips baskets into slime to recover uranium which is deposited on surface of collector through ion-exchange. Drains tanks after specified period of contact time and cleans slime residue from tanks with hose. Refills tanks with nitric acid solution, using pump. Restarts machine to dissolve uranium from surface of collector in nitric acid solution. Starts pumps to move uranium nitrate solution from machine tanks to precipitation tanks. GOE: 06.04.10 STRENGTH: L GED: R3 M1 L2 SVP: 4 DLU: 77 ONET CROSSWALK: 92938 Chemical Equipment Tenders | |||||||||||||||||||||||||||||||||||
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