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HIAD Specific Application Supply Chain Stage: Hydrogen As Process Gas


The fire started 3 hours after being shut down. The unit was shut down and the fire extinguished.The oven contained only gaseous products and mainly hydrogen.
The event occurred while starting a new production cycle. The production supervisor issued specific instruction on a new production cycle to a technician. The technician did not follow them in the…
The leak occurred on a process pipe of a pressurized at 17 bar and located 3.5 m from the ground The gaseous mixture composed of hydrogen, methane and hydrogen sulfide (density: 0.6) was released to…
The explosion occurred while starting up for the first time a hydrogenation reactor.The reactor was being commissioned, by performing tightness tests under hydrogen atmosphere at very high pressure.…
high pressure spherical vessel, stress corrosion stressing by hydrogen, leakage along the weld, release of H2-CH4 mixture
During the polymerization of ethylene in a 750 liters pressurized reactor, an exothermic runaway decomposition occurred and ethylene and its decomposition products were released through the two…
The incident affected the raw material buffer tank (design pressure 0.38 MPa) of a diesel hydrogenation unit in a refinery. This buffer tank is located between the hydrogenation reactor and the raw…
The event occurred at one of the unit producing iron powder, consisting of a furnace with a running belt for the powder, kept under hydrogen atmosphere to reduce and purify the metal. The hydrogen…
Following the breakdown of a piston rod, a mixture of hydrogen and light hydrocarbons was released from the fresh hydrogen compressor of an oil refinery. The rod broke down because of stress…
Plant own emergency response team was activated, assisted from local fire and emergency Services and regional Police. No one was injured during the incident and flames were brought under control…
A gaseous mixture of hydrogen (H2), methane (CH4) and ethane (CH3-CH3) at 54 bar was cooled in a heat exchanger upstream of a hydrogen purification system. The accident started with a double…
At the time of the incident, the desulfurization unit was shut down for scheduled cleaning of a cooling tower with reintroduction of a gas mixture into the system at a high hydrogen content. The…
The explosion occurred in a Litol benzene unit, when it was being restarted following a scheduled shutdown for maintenance. The explosion followed the release of about 30 kilograms of hydrogen gas…
The incident occurred in a hydrocracker unit of the refinery. A control valve on the liquid line between the high- and the low-pressure separators was opened in error and the liquid allowed to drain…
The incident occurred in the hydrogenation Unit of a non-further specified chemical plant. Before the occurring of the event, a growing leak had been discovered in the vicinity of a circulation pump…
A fire in an oil refineryThe fire broke out together with an explosion noise from the heavy oil direct desulfurization system of the height of about 20 m. The fire burned a part of the system…
An explosion followed by a fire occurred at a tar precipitator of gas treatment of a coke oven. The extractors were manually activated. Ten minutes later, the operator activates the internal…
An explosion occurred in a hydrocracking reactor fitted with TOC which is a automatic cut-off system for raw oil and hydrogen supply. On the day of the incident, the operation was stopped with TOC…
The event occurred at an ethylene production plant. The plant was shutdown at the time as the supply of compressed air to the gauges had inadvertently been switched off. This failure of the air…
The incident at a bio-fuels research laboratory occurred when a visiting research fellow was transferring hydrogen, oxygen and carbon dioxide into a low pressure gas cylinder to be used as a…
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