Gas-based extinguishing processes become attractive when water cannot be used (e.g. computer equipment, audio/video archives, ship engine rooms), yet the associated risks must not be underestimated, as witnessed by the example of CO2 systems.
The accidents presented in this flash involve chemical reactions between incompatible products inadvertently placed into contact with one another. Encountered in all types of activities, such accidents are frequent and occur not only during the delivery of chemical products (wrong[...]
Periods of intense or extended cold weather, accompanied by temperatures well below 0°C or varying abruptly with corresponding freezing and thawing phases, are prone to incidents and accidents.
The summary of this accident has not yet been translated. In the meantime, please refer to the French summary : Une usine chimique classée Seveso recyclant des solvants usagés est inondée à partir de 6 h lors d'une crue de[...]
Around 8:00 a.m., an operator smelled mercaptans (strong-smelling gas 110 °C). The operators assigned to performing weekend rounds failed to notice that the mixer was operating although the light on the panel was lit and the shaft at the top of the[...]
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[...]
At 2:30 pm inside a paper mill located 5 km east of Arcachon Bay, a 5,000-m³ black liquor tank ruptured. Black liquor is a highly alkaline paper manufacturing residue composed of organic matter, soda and other chemical products; it serves[...]
Around 10:30 pm in the isocyanate unit at a chemical plant, a sensor detected a rapid conductivity rise in a heat exchanger, in which phosgene (COCl2) pressurised to tens of bar was being reheated with water vapour at 28 bar before[...]
At 6:56 pm inside a warehouse for phytosanitary products assigned an upper-tier Seveso classification, the activation of a foam-based automatic extinction system installed in a 1,000-m² cell brought fire-fighters to the scene 44 min later. By the time responders arrived,[...]
A kerosene leak (A1 jet category) was detected on a pipeline (nominal diameter DN: 108, pressure: 13.8 bar, operational since: 1942) connecting a refinery to a storage area outside the oil platform site. The quantity of lost product was estimated[...]
