HIAD Causes: Material/Manufacturing Error
Explosion of hydrogen at slip ring end of an alternator. It was caused by a hose fracture within the generator casing, which led to a discharge of water into the casing and subsequent electrical…
A fire and explosion occurred at a catalytic reformer unit. The fire centred between the reactors and fired heaters of the reformer and resulted in extensive damage to the unit.The explosion rocked…
The accident occurred in the cracking unit and in the sulfur recuperating system, more exactly in a 90 curve of a 8" piping. Due to the crack of the curve a mixture of flammable gases was released…
The accident started with a leakage of distilled petroleum intermediate and hydrogen in the desulfurization unit of the distilled intermediate. Both substances ignited and exploded, with a later…
An explosion occurred a the Lurgi electrolysis unit of a chemical factory. The plant suffered extensive damage and one man died. The electrolysis plant produced hydrogen for process use and oxygen as…
The event occurred in the hydrogen pumping station, placed between the hydrogen production unit (steam methane reformer) and the hydro-treatment unit. The second stage of the compressor cylinder…
the explosion occurred inside the lower hydrogenation tower of a hydrogen peroxide unit, damaging the distribution tray inside the tower. 4 were killed and 2 injured, the direct economic loss was 488…
on a Sunday morning, in a ceramic factory, a leak on a 100 m tank containing 370 kg of hydrogen caused an explosion. The generated pressure wave causes significant damage to exterior buildings (…
A hydrogen explosion occurred at a 585-MW coal-fired supercritical unit and caused one fatality, injuries to 10 other people, and significant damage to several buildings. The explosion occurred…
An explosion occurred on a tank truck whilst unloading hydrogen into a storage tank. The explosion occurred near the discharge valve of the truck injuring two people and starting a fire at the point…
An explosion occurred during a reduction process for the manufacture of para-phenetidine (PPD). The explosion took place due to the convergence of several events. Workers did not firmly close a valve…
Piping failed because of corrosion and a release of hydrogen occurred with an explosion. The fire lasted approximately 10 minutes, resulting in the shutdown of the hydrogen unit. Noise of the…
In a chemical plant, a violent explosion took place during the batch production of chlobenzorex from an aqueous solution of sodium borohydride contained in a feed tank on a movable truck. The…
A fire occurred in a pipe trench containing about 50 pipelines.The pipelines were carrying a wide variety of hydrocarbons from crude oil to residuals. In addition, there were lines with steam, fuel…
An explosion and fire occurred at a hydrogen production plant serving the hydrocracker and the diesel hydroteater of a nearby refineryNo injuries were reported among the employees.According to the…
A mixture of hydrocarbon and hydrogen leaks from hydrogenation unit of a refinery. The cloud explodes. The leak was caused due to corrosion of a carbon steel pipe at a bend, which was one eighth…
Explosion within a blast furnace occurred at the plant manufacturing iron. The event occurred at one of the blast furnace of the plant, which exploded. The explosion was so powerful that the entire…
The accident happened in a low pressure methanol plant, commissioned in summer 1971 . A 6 in. pipe, below the methanol synthesis gas compressor inter-stage relief valve, failed releasing hydrogen-…
A hydrogen gas holder exploded.It is assumed that there was diaphragm leak in the hydrogen-oxygen electrolytic cell used to produce high purity hydrogen for a pharmaceutical hydrogenation.
In a pharmaceutical company classified Seveso upper-tier establishment, a deflagration occurs at the end of a hydrogenation reaction involving a chemical raw material, acetic acid, water and a…