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Sinking Of A Twin-deck Floating Roof Of Crude Oil Tank

Sinking of a twin-deck floating roof of crude oil tank

  • Accident report
  • FRANCE
The sinking of a double-deck floating roof on the 70-m diameter B962 tank containing over 62,200 m³ of crude oil was detected on July 18, 2007 in a refinery. No product had been transferred from this tank since July 2,[...]
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Breakage Of An Oil Tank

Breakage of an oil tank

  • Accident report
  • FRANCE
The bottom of a 13,500 m³ containing 12,000 m³ of light crude oil tank ripped open at 8:00 am within an oil depot. The earthen dikes surrounding the retention basin withstood the wave effect; 2,000 m³ of oil still overflowed[...]
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Emission Of H2S In A Waste Treatment Facility

Emission of H2S in a Waste Treatment Facility

  • Accident report
  • FRANCE
An explosion occurred in a chemical site causing the cover of a 99.2% sulphuric acid tank (filled to 300 t of its total 1500 tonne capacity) to open partially. The cover opened along the circumference of the tank at the[...]
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Rupture Of A Crude Oil Storage Tank

Rupture of a crude oil storage tank

  • Accident report
  • BELGIQUE
In a storage area of a refinery, a tank buckled at 6:35 pm, causing 37,000 m³ of crude oil to pour out like a wave. In less than 15 min, the site's 4-hectare retention basin was covered 1 m deep[...]
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Fire In A Hydrodesulfuration Unit Of A Refinery

Fire in a hydrodesulfuration unit of a refinery

  • Accident report
  • FRANCE
Fire broke out on the furnace of a hydrodesulphurisation (HDS) unit for refinery diesel. Flames and thick black smoke, containing CO2 and SO2, were visible at the smokestack. The site was locked down 5 min after detection of the accident.[...]
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Propane Leak On A Sphere

Propane leak on a sphere

  • Accident report
  • FRANCE
During a routine inspection of a spherical 2,000-m³ propane tank (previous test date: 2002) located in an LPG depot, the facility manager heard a whistling sound caused by a leak. The origin was a 1" tube positioned 2.50 m from[...]
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Rupture Of A Gaseous Oxygen Line

Rupture of a gaseous oxygen line

  • Accident report
  • FRANCE
A gaseous oxygen (O2) pipe failed at around 4 am in a liquid oxygen production unit located in a port area. This pipe, most of which was buried underground, crossed the River Rhine to supply a German steelworks. The pressure[...]
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Chlorine Leak In A Liquefaction Workshop Of A Chemical Plant

Chlorine leak in a liquefaction workshop of a chemical plant

  • Accident report
  • FRANCE
During the re-start phase of an electrolysis workshop in a chemical plant, chlorine (Cl2) gas leaked from a pipeline in a confined chlorine liquefaction unit. The operators shutdown the facilities and evacuated the premises. The internal emergency plan of the[...]
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Toxic Leak On Factory Piping

Toxic leak on factory piping

  • Accident report
  • FRANCE
At a steel factory, a small ammonia (NH3) leak was observed during the day on a tap valve fitting (inner tap diam.: 8 mm) of a pipe connecting storage tanks in the hydrogen production unit. This gas was being used[...]
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