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Clean Hydrogen Partnership

Explosion at the hydrogen compressor of a refinery

Event

Event ID
1097
Quality
Description

The incident occurred "in the near of a hydrogen compressor" and consisted first in an explosion, followed by a fire. Cause not disclosed.
Emergency control and mitigation actions implemented caused the shutting down of five affected units and consequently including the Sulphur
Recovery Unit due to a lack of feed.
11 slightly injured, the blast caused windows rattling 30 km away. All personnel were evacuated from the site and the fire was extinguished approximately 1 hour later. No environmental impacts.

Event Initiating system
Classification of the physical effects
Hydrogen Release and Ignition
Nature of the consequences
Macro-region
Africa
Country
South Africa
Date
Component involved
compressor / booster / pump
Failure mode
rupture & ignition
Initiating cause
unknown
Root causes
Unknown
Date entry in HIAD
01/07/2024

Facility

Application
Petrochemical industry
Sub-application
Hydrocracking process
Hydrogen supply chain stage
All components affected

unknown

Process temperature range [C]
ambient temperature (-50°C to +50°C)
Process pressure range [MPa]
medium pressure (2 to 10 MPa)
Location type
Unknown
Location
industrial area
Operational condition
UNKNOWN

Emergency & Consequences

Number of fatalities
0
Number of injured persons
11
Post-event summary

Emergency control and mitigation actions caused the shutting down of five affected units and the reduction of the daily refinery capacity

Emergency action

All personnel were evacuated from the site and the fire was extinguished approximately 1 hour later. No environmental impacts (said the company).

In-depth data

Release type
gas
Involved substances (% vol)
H2 100%
Release temperature [°C]
25
Probable IGNITION SOURCE
Explosion type

References

Sources categories
News
Reference & weblink

The Chemistry Engineer news of22 May, 2017
https://www.thechemicalengineer.com/news/blast-at-sasol-total-natref-re…
(accessed December 2023)

Reuters news of May 22, 2017:
https://www.reuters.com/article/idUSKBN18I0RL/
(Accessed December 2023)

Event description in the French database ARIA
https://www.aria.developpement-durable.gouv.fr/accident/49717/
(accessed September 2023)