Scenario > Explosion of coke oven gas during cleaning at a desulfurization regeneration tower of a coke oven gas refining

01.

Poor Value Perception

02.

Poor Safety Awareness

03.

Inadequate Risk Recognition

04.

Organizational Problems

05.

Poor Management

06.

Poor Operation Management

07.

Ignorance

08.

Insufficient Knowledge

09.

Convincement

10.

Planning and Design

11.

Poor Planning

12.

Poor Shutdown Planning

13.

Malicious Act

14.

Rule Violation

15.

Safety Rule Violation

16.

Bad Event

17.

Thermo-Fluid Event

18.

Reverse Flow

19.

Secondary Damage

20.

External Damage

21.

Explosion

22.

Bodily Harm

23.

Death

24.

Bodily Harm

25.

Injury

26.

5 person injured

27.

Loss to Organization

28.

Economic Loss

29.

Manetary Damage 20 million yen

Explosion of coke oven gas during cleaning at a desulfurization regeneration tower of a coke oven gas refining

	Knowledge Comment:
	Are there any guarantee that a seat leak does not completely happene at the valve of one meter diameter ?

Field	Chemicals and Plants
Author	WADA, Yuji (National Institute of Advanced Industrial Science and Technology) YOSHINAGA, Jun (Graduate School of New Frontier Sciences, The University of Tokyo) TAMURA, Masamitsu (Center for Risk Management and Safety Sciences, Yokohama National University)