Job Description:

• 1) Controls system of tanks to wash and reduce acidity of activated carbon sludge, preparatory to drying, for variety of industrial and consumer applications: Turns valves to regulate flow of acid, carbon sludge, and water through thickener and agitator tanks according to tank-level and specific gravity readings supplied by WASH HELPER.

• 2) Draws sample of product in beaker and tests for acidity, using pH meter and standard titration test.

• 3) Compares level of solution in graduated suction tube with conversion chart to determine acidity of sludge.

• 4) Turns valve to admit caustic solution to neutralizer tank until acidity level meets prescribed standard.

• 5) Patrols work area to observe level of carbon in thickener tank and wash solutions in overflow troughs to prevent spills, regulating pump speeds as necessary.

• 6) Gauges tank levels, using calibrated rod.

• 7) Keeps records of tank levels and test results for shift log.