A professional who controls equipment in which chemicals or other materials are chlorinated by reaction with chlorine gas. Respnsibilities include:

• Pumps specified amounts of chemicals to chlorinator.
• Reads flowmeter and opens valves to regulate flow of chlorine and rate of chlorination reaction.
• Reads temperature gauges and turns steam and coolant valves to maintain reaction within specified temperature range.
• Tests sample of product for specific gravity and for boiling or freezing point, using hydrometer and thermometer.
• Observes color of product to determine when chlorination is completed.
• Records operating data, such as temperature and pressure in chlorinator and related equipment.
• May operate auxiliary units, such as vaporizer, filters, stills, and stripping columns.
• May be designated according to product formed as bleach chlorinator; sulfur-chloride operator.