CODE: 558.685-026Buy the DOT:Download/CD-ROM
TITLE(s): DE-IONIZER OPERATOR (chemical)

Tends equipment that purifies glycerin by deionization process: Starts pumps to force glycerin slurry through resin beds in series of purification tanks. Observes flowmeters and pressure gauges, and adjusts controls as necessary to meet process standards. Tests slurry for acidity periodically, using litmus paper. Draws samples of purified glycerin for laboratory analysis. Back-flushes tanks with acid solution to regenerate resin, as necessary.
GOE: 06.04.11 STRENGTH: L GED: R3 M2 L2 SVP: 4 DLU: 77
ONET CROSSWALK: 92962 Separating, Filtering, Clarifying, Precipitating, and Still Machine Operators and Tenders