A professional who controls processing equipment to separate recoverable oil from refinery sewage system. Respnsibilities include:

• Starts pumps, observes flowmeters and pressure meters, and turns valves to regulate directional flow of oil, water, solids, chemicals, and air, according to operating procedures.
• Turns handwheels to control skimming devices that collect sprung oil from reservoirs of separation units.
• Opens valves on steam heat-exchanger to raise temperature of skimmed oil to treating temperature.
• Mixes and blends caustic cleansing and demulsifying chemicals into oil to remove impurities and water.
• Turns valves to pump reclaimed oil to storage tanks, solids to disposal unit, and water to oxidation ponds or to separator unit for recycling.
• Records amount of oil reclaimed, amount of water or impurities removed, and specified data concerning operating condition of processing equipment.