Job Description:

• 1) Tends battery of digester vessels that dissolve bauxite in plant liquor: Turns valves on pumps to transfer liquor and bauxite slurry through heaters into digester vessels.

• 2) Turns valves to inject milk of lime into vessels.

• 3) Adjusts pumps and valves to circulate cleaning solution through process lines.

• 4) Collects samples of slurry and alumina solution for laboratory analysis.

• 5) Keeps log of operations.