HIAD Facility - Storage Medium: Gas

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…

A welder was welding a stainless steel drain pipe with an arc welder, above a sulfuric acid storage tank. When he lowered the pipe, the hydrogen gas in tank ignited causing an explosion and one…

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…

A tank leaking hydrogen at an electrical power plant exploded.

Two explosions rocked the industrial area of Santa Clara afternoon June 1st 2019, sparking a smoky fire at a chemical, gas storage and transportation facility of Air Products and Chemicals Inc. near…

Hydrogen escaped when a venting valve was opened for the inspection of a cap. The escaped hydrogen caught fire, resulting in the death of 4 people, injuries to others 3 and damages to the plant.

A trained plant operator was blending water, sand, anhydrite, lime, cement, PFA and powdered aluminum in a mixing chamber to produce material for making building blocks. All powders are pre-weighed…

An explosion occurred in a water skim tank associated with an ethyl benzene dehydrogenation reactor system. The reaction mixture from the reactors containing styrene, ethylbenzene, benzene, toluene…

Iron powder from non-conducting polypropylene IBC was added to EDTA solution at 60 C in reactor. Hydrogen given off, ignited by static.

Employee used a small industrial vacuum cleaner on an unnamed process. During this process, hydrogen gas built up from a reaction between sulfuric acid and aluminum swarf. When the vacuum cleaner…

The event occurred in an atmospheric pressure tank storing effluents. The plant was in the production phase. The head of the overfill prevention valve located at the top of the tank was thrown a…

The incident took place in a calcium powdered wire manufactory of "Chepetsk Mechanical Plant". Some amount of water find it's way in a container where the mixing of different powders took place. As a…

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 lightning strike caused a voltage drop on the power supply of a chlorine-alkali plant using the mercury process.The emergency electrical system was activated, though restoring the external supply…

The explosion involving hydrogen gas knocked a 36-by-70-foot hole in the roof of the plant. Officials said the gas was formed when chemicals mixed in the plant's waste treatment unit.

An explosion followed by fire occurred in the hydrogen filling unit of chemical plant for the production of dyes and pigments.

An employee was attempting to re-weld a lifting point on a brazing furnace cover. He was using a tungsten inert gas (TIG) welding machine to build up an attachment point on the cover when an…

The vent occurred in the ammonia production unit. A minor leak had been detected in a flange on the piping of the ammonia synthesis loop (operating at 250 bar). The company called a specialized…

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…

Coke oven gas was released from a pipeline during maintenance works. The pipeline was supplying the burners of the coke oven with coke oven gas. The original reason for the so-called gas-stop was…