Coating Operator Job Description:

Tends battery of mixing vessels that mix chemical solutions with process catalysts to apply chemical coating, such as alumina: Starts pump to admit coating solution to automatic measuring tank and to transfer solution from measuring tank to coating vessel. Starts agitator to mix solution. Draws sample from coating vessel, using dipstick, and tests for specified balance between acidity and alkalinity, using pH meter. Turns valve to add solutions to coating vessel until required balance is achieved. Stops agitator and pumps mixture to storage tanks after specified mixing time. Records processing time and pH reading on operating record.