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HIAD Quality Indicator: 2


waste water tank Hydrogen that causes the incident has been produced either during waste water treatment or by a reaction between sodium borohydride and the waste water filling the tank.
The explosion occurred in the ammonia/hydrogen separator of the ammonia reactor due to metallurgical problem.
Hydrogen was accidentally produced inside the sealed container containing a used battery. The gas, along 6 days deformed the container. Firefighters equipped with breathing apparatus open the…
The explosion occurred in a copper electroplating plant test furnace when starting the operation of copper plating. EVENT DETAILS A tinned copper pipe had been placed inside another copper pipe and…
In the acid treatment room of a Seveso low-threshold hazardous waste treatment centre, an explosion occurred on a 250 m concrete tank containing acid sludge being neutralized. The explosion occurred…
The vent occurred at the hydrogen manufacturing unit: a pipe of this unit burst, followed by an explosion. The fire was extinguished in about 15 minutes. One employee nearby had a consequence from a…
In this plant, after conversion of the major part of the carbon dioxide into urea, the off-gasses from the reactor consist of ammonia, carbon dioxide, hydrogen, oxygen and nitrogen. Prior to venting…
An explosion without fire or gas emission occurred in the washer of the catalyst activation unit. The unit was stopped for maintenance : 3 external employees were checking the washer. The explosion…
Explosion at chemical plant in Akita Prefecture involving hydrogen killed a worker
In a chlorine manufacturing unit, an explosion occurs in the room of the electrolysis cells. The accident occurs during the start-up phase of the unit, it is due to the presence of hydrogen in the…
"A chlorine suction pump failed on a sodium hydroxide electrolysis unit.Recovery operations were carried out including nitrogen purging of hydrogen piping and air purging of chlorine piping before…
Explosion in a food products plant (Seveso classified)The event occurred in the settling cyclone of a hydrogenation reactor of a starch production unit. The process consists in introducing the starch…
The accident occurred during the night during the production of a silicon oil- and additive-based waterproofing agent. A junior technician (hired 6 months back), recently assigned to this post, was…
In a chemical plant, an explosion occurred on the primary reformer of an ammonia manufacturing unit.
A cylinder filled with hydrogen exploded. Hydrogen is used to blow up balloons
In a chemical plant, a 1750 m tank containing an ammoniac solution explodes. The anchorage of the was ripped, the tank lifted on one side and crashed against the retention wall, which was partially…
Huge explosion of liquid chlorine mixed with hydrogen took place on pulp and paper plant in Arkhangelsk. More than 50 tons of liquid chlorine exploded.
A tank "filled with low-pressure hydrogen" exploded at a food manufacturing plant, killing three workers. The accident occurred when the workers were welding inside the tank after clearing hydrogen…
The 10 m3 hydrogen storage tank at the hydrogen station belonging to the oxygen plant exploded during production operation. The hydrogen storage tank was installed and used by the plant in 1995, with…
The balloon had a 3.5m external diameter envelope made of anti-tear fabric (same techniques used in full sized balloons of the same company). The inner balloon was a meteorological balloon made of…
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