Scenario

01. Poor Value Perception
02. Poor Safety Awareness
03. Inadequate Risk Recognition
04. Insufficient Analysis or Research
05. Insufficient Practice
06. Lack of Imagination
07. Other Reaction
08. Planning and Design
09. Poor Planning
10. Poor Design
11. Non-Regular Operation
12. Emergency Operation
13. Start Spare Machine
14. Malfunction
15. Poor System
16. Abnormal Flow Rate
17. Bad Event
18. Chemical Phenomenon
19. Abnormal Reaction
20. Secondary Damage
21. External Damage
22. Explosion
23. Bodily Harm
24. Injury
25. 5 person injured

Explosion of the nitroaniline preparation reactor due to error in the quantity of supply of raw materials
Case Details

Knowledge Comment:
Feed rate change of raw materials is the biggest cauce of the system instability. You must consider from the beginning of design about it.

Field Chemicals and Plants
Author OGAWA, Terushige (Graduate School of Environment and Information Sciences, Yokohama National University)
TAMURA, Masamitsu (Center for Risk Management and Safety Sciences, Yokohama National University)