Process Safety
- Introduction: Teaching method, Motivation, Review of some safety disasters
- Toxicology: How toxicants enter, affect on, and are eliminated from biological organisms. How to reduce their effect. Dose-response curves
- Industrial hygiene: laws and regulations, anticipation and identification of workplace hazards, evaluation of magnitude of exposure and ways to control it
- Source models: flow of gases and liquids through holes, models for leakage of gases and liquids through pipes and vessels
- Toxic release and dispersion models: dispersion of toxicants away from the source, parameters affecting dispersion, steady-state and transient dispersion models.
- ِToxic release and dispersion models 2: Puff and Gaussian dispersion models cont’d
- Fire and explosion: flammability of gases and liquids, unsafe conditions leading to explosion, estimation of damages from explosion
- How to prevent fire and explosion: use of inert gases (pros and cons), ventilation
- Chemical reactivity: awareness, identification, and screening of reactive chemical hazards, characterization of reactive chemical hazards using calorimeters, methods for controlling reactive chemical hazards
- Relief valves: concept of relief and its importance, types of relief and their pros and cons, relief systems, relief scenarios with process examples, relief design considerations
- Relief valve sizing: sizing methods for different phase conditions
- Hazard identification: process hazards checklist, hazards and operability studies
- Risk assessment: review of probability theory, quantitative risk analysis, layers of protection analysis
- Case histories: study and analysis of process accidents in Iran and other countries
- Design for safety: safety procedures, accident investigations, inherently safer designs