A study of large-scale production of chlorine, involving several steps and many pieces of equipment (The plant also simultaneously produces sodium hydroxide (caustic soda) and hydrogen gas somehow.)
Reference: CCPS, AIChE Industry Technology Alliance, Safety Alert 1. Reactive Material Hazards – What you need to know (2001) 2. A Checklist for inherently Safer Chemical Reaction Process Design and Operation (http://www.aiche.org/ccps/safetyalerts)