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. Planning and Design
08. Poor Planning
09. Poor Design
10. Bad Event
11. Chemical Phenomenon
12. Heat Generation/Ignition
13. Secondary Damage
14. External Damage
15. Explosion/Fire
16. Bodily Harm
17. Injury
18. Loss to Organization
19. Economic Loss
20. Manetary Damage 16 million yen

Explosion caused due to unexpected contaminant during neutralization treatment in a waste water tank
Case Details

Knowledge Comment:
Without considering the properties of process waste liquid, the waste liqid was reused, then it generated an abnormal reaction resulted a fire.

Field Chemicals and Plants
Author DOBASHI, Ritsu (School of Engineering, The University of Tokyo)
TAMURA, Masamitsu (Center for Risk Management and Safety Sciences, Yokohama National University)