A professional who supervises and coordinates activities of workers engaged in producing alum liquor (aluminum sulfate) by continuous process reaction (digestion) of sulfuric acid with powdered bauxite ore. Respnsibilities include:

• Requisitions bauxite ore from other company plants and schedules required delivery dates.
• Reads operating reports showing temperature, specific gravity, and flow-rate readings to verify specified process conditions.
• Inspects equipment for mechanical defects and malfunctions.
• Trains new employees in operation of equipment.
• May study technical papers to plan process improvements, and diagrams changes, using drafting instruments.
• Performs other duties as described under supervisor master title.