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Mobile Acetylene Cylinders : Hazard Potential Not To Be Underestimated!

Mobile acetylene cylinders : Hazard potential not to be underestimated!

  • Flash
Mobile acetylene cylinders are present in all sectors of activity owing to their common use on welding machines. Even if they look like risk free, these cylinders are real hazard potential ! Five major accidents in France since the beginning of 2018 drive us to remind to users and owners the risks associated to these cylinders.
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46180

  • Accident report
  • FRANCE
The summary of this accident has not yet been translated. In the meantime, please refer to the French summary :

Vers 5h20, une explosion se produit dans une fonderie. Le bilan est de 8 blessés légers dont 5 soignés sur place et 3 à l'hôpital. Les 76 employés présents évacuent les lieux. L'explosion entraîne un dépôt au sol des poussières qui se trouvaient sur les structures du bâtiment, en hauteur. Des plaques de fibrociment du toit sont endommagées sur 200 m². Le souffle provoque le déplacement et la destruction partielle de ces [...]

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  • Accident report
  • FINLANDE
The summary of this accident has not yet been translated. In the meantime, please refer to the French summary :

Pendant 30 h, 66 t de sulfate de nickel, provenant d'une usine métallurgique produisant des cathodes de nickel et 50 000 t de produits chimiques à base de nickel, se déverse dans la KOKEMAKI. La concentration de nickel la plus élevée mesurée dans la rivière est de 8 800 μg/l pour une norme environnementale en instantanée de 34 μg/l, et une concentration moyenne limitée à 1 μg/l. Une importante mortalité de moules est constat [...]

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  • Accident report
  • ITALIE
The summary of this accident has not yet been translated. In the meantime, please refer to the French summary :

Entre 2014 et 2016, plusieurs déversements de fonte liquide en fusion se produisent pendant les opérations de déchargement dans une usine sidérurgique. La fonte liquide produite par les hauts-fourneaux est évacuée par un trou de coulée situé dans la partie inférieure du creuset. Elle est ensuite recueillie dans un canal de coulée revêtu d'un matériau réfractaire, où la séparation de la fonte et du laitier se produit en r [...]

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Explosion water / molten metal

  • Fact sheet
Explosions following a molten metal / water contact are well-known accidents in the metallurgical industry, which sometimes result in significant human and material consequences. The ARIA database contains some fifty such events implying ferrous and non-ferrous metals melt. The fact sheet to be downloaded presents the specificities of this type of explosion.
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Fire outbreak on a stripping unit inside a steel mill

  • Accident report
  • FRANCE

Fire was detected at 10:05 pm in the stainless steel sheet stripping unit of an upper-tier Seveso metallurgical plant. The surface treatment line, composed of 7 unheated polypropylene tanks (5 containing hydrochloric acid, 1 containing hydrofluoric acid, 1 containing nitric acid). The smoke plume was blown by the wind (at 5 to 12 m/s) northwards to an undeveloped zone. The internal emergency plan was activated. In-house fire-fighters were unable to control the blaze and notified municipal first responders at 10:27. The crew called of approx. 100 [...]

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Emission Of Dangerous Substances In A Surface Treatment Facility

Emission of dangerous substances in a surface treatment facility

  • Accident report
  • FRANCE

In the stripping workshop of a firm specialised in the stamping and machining of parts made of an aluminium and titanium alloy, a large quantity of nitrous vapours were released in the 3,500-litre cold-working, fluonitric acid bath (containing 5% HNO3 and 15% HF at 40%). Fire-fighters with a chemical emergency squad were called to pump 1,900 litres of the bath, whose temperature kept increasing to 102°C; at this point, they stopped pumping in order to cool the remaining bath by means of dilution with water. At 50°C, they were able to complete [...]

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