How is reaction calorimetry used for process safety assessment?

Reaction calorimetry measures heat generation rate under controlled conditions to determine: heat of reaction (total energy release), adiabatic temperature rise (maximum temperature if cooling fails), time to maximum rate (TMR) for thermal stability, and critical temperatures (onset of decomposition). Equipment: RC1 for normal operation conditions, ARC/DSC for runaway scenarios. Data used for: reactor sizing with adequate cooling, emergency relief sizing (using DIERS methodology), defining safe operating windows, and identifying incompatibilities. Essential for new chemistry development.