Job Description:

• 1) Operates equipment to control chemical reaction of soda ash and milk of lime to make caustic soda: Opens valves and starts pumps to fill dissolving tank with specified amounts of soda ash and milk of lime.

• 2) Starts mixer in tank to agitate materials and dissolve solids.

• 3) Draws sample of mixture from tank and measures its gravity with hydrometer.

• 4) Opens water valve to dilute mixture and obtain specified concentrations according to type of product.

• 5) Turns valves and rheostats to adjust feeding of solution to reactor tank.

• 6) Periodically takes samples of reacting liquor and titrates samples with normal acid to determine concentration of caustic soda being formed.

• 7) Conducts similar tests and titrations to determine salt content and concentration of various liquors.

• 8) Clears stopped pipelines and repairs equipment, using handtools.