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Job Description:

  • 1) Tends tanks in which crude tetryl explosive or nitrocellulose is boiled and washed to remove acids and impurities: Admits batch of crude tetryl slurry to boiling tank.

  • 2) Starts tank agitators and turns valve to admit steam to tank jacket to boil slurry for specified time.

  • 3) Pumps off water after material has settled.

  • 4) Pumps fresh water through tank to wash tetryl and flush away impurities.

  • 5) When boiling nitrocellulose, admits acid to tub and boils contents for specified time, adds neutralizing agent, and repeats process until all nitrocellulose impurities are removed.

  • 6) May test acidity of solution, using hydrometer or titration test.

  • 7) When boiling tetryl, is designated Tetryl-Boiling-Tub Operator.




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End Of Job Description for: "BOILING-TUB OPERATOR"
DOT:   551.685-014

Job Number: 954