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A balloon filled with gaseous hydrogen exploding.. A gas explosion is the ignition of a mixture of air and flammable gas, typically from a gas leak. [1] In household accidents, the principal explosive gases are those used for heating or cooking purposes such as natural gas, methane, propane, butane.
The accident occurred when a large flammable vapor cloud was released from an atmospheric storage tank, known as tank 105, which contained an estimated 440,000 gallons of light naphtha. The vapor cloud found an ignition source and the ensuing flash fire spread up to 230 feet west of the tank farm.
The accident resulted from a release of extremely flammable process gases that occurred during regular maintenance operations on one of the plant's polyethylene reactors. More than 85,000 lb (39 t) of highly flammable gases were released through an open valve almost instantaneously.
According to the NTSB's preliminary report, customers in the accident area received gas from a low-pressure (0.5 psi) distribution network which, in turn, was fed from a high-pressure (75 psi) main pipeline via regulators controlled by sensors measuring pressure in the low-pressure pipes. At the time of the accident, workers were replacing some ...
A 500-gallon underground propane tank was found at a Virginia home that exploded Friday, killing one firefighter and injuring others, officials said Saturday.
Two workers near the top felt the heat and rushed to the safety of scaffolding outside, while the other 40 workers died as the concrete cap on the tank rose 20 to 30 feet (6.1 to 9.1 m) in the air and then came crashing back down, crushing them. The incident was the worst industrial accident in Staten Island's history.
The tank truck was loaded with highly flammable methanol. Thirty-six people were killed. [38] The accident was the deadliest in China since the 2011 Xinyang bus fire, when a fire in an overcrowded sleeper bus containing flammable material killed 41 people. [39] The tank truck was returning to the highway following an early-morning rest stop.
The tank was located near Lake Erie on East 61st Street, and winds from the lake pushed the vapor into a mixed-use section of Cleveland, where it dropped into the sewer lines via the catch basins located in the street gutters. [4] As the gas mixture flowed and mixed with air and sewer gas, the mixture ignited.