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Williams Olefins Plant explosion

2013 disasters in the United States2013 in Louisiana2013 industrial disastersAscension Parish, LouisianaChemical plant explosions
Explosions in 2013Explosions in LouisianaIndustrial fires and explosions in the United StatesPetrochemical companiesUse mdy dates from July 2013
Williams Olefins Plant ruptured heat exchanger
Williams Olefins Plant ruptured heat exchanger

The Williams Olefins Plant explosion occurred on June 13, 2013 at a petrochemical plant located in Geismar, an unincorporated and largely industrial area 20 miles (32 km) southeast of Baton Rouge, Louisiana. Two workers were killed and 114 injured. The U.S. Occupational Safety and Health Administration (OSHA) and the U.S. Chemical Safety and Hazard Investigation Board (CSB) launched investigations to determine how and why the heat exchanger failed. The Chemical Safety Board concluded that a standby heat exchanger had filled with hydrocarbon. This heat exchanger was isolated from its pressure relief; shortly after the heat exchanger was heated with hot water, the hydrocarbon flashed to vapor, ruptured the heat exchanger, and exploded.The effects of the explosion were felt several miles away. A shelter-in-place order was issued to residences and businesses within a two-mile (3.2 km) radius of the plant.

Excerpt from the Wikipedia article Williams Olefins Plant explosion (License: CC BY-SA 3.0, Authors, Images).

Williams Olefins Plant explosion
Nicholson Extended, St. Gabriel

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N 30.234238 ° E -91.052937 °
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NOVA Chemicals Olefins Facility

Nicholson Extended
70776 St. Gabriel
Louisiana, United States
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novachem.com

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Williams Olefins Plant ruptured heat exchanger
Williams Olefins Plant ruptured heat exchanger
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Columbian Chemicals Plant explosion hoax

The Columbian Chemicals plant explosion was a hoax claiming an explosion at a chemical plant in Centerville, St. Mary Parish, Louisiana. On September 11, 2014, reports of an alleged explosion were sent to local residents via text messages and spread through various social media. Several reports claimed that the militant group ISIS had taken responsibility for the attack. St. Mary Parish officials claimed that the reports of an explosion were a hoax. A spokesperson for the company told reporters that the reports of an explosion were a hoax: We have been informed by the community that a text message has been received by several individuals indicating a release of toxic gas from the Birla Carbon's Columbian Chemicals Plant near Centerville, Louisiana. The content as stated by the text message is not true. There has been no release of such toxic gas, explosion or any other incident in our facility. We are not aware of the origin of this text message. Law enforcement authorities have been contacted and are following up on this matter. The hoax was reported to have involved "dozens of fake accounts that posted hundreds of tweets for hours, targeting a list of figures precisely chosen to generate maximum attention. The perpetrators didn’t just doctor screenshots from CNN; they also created fully functional clones of the websites of Louisiana TV stations and newspapers." It was one of "a wave of similar attacks" in the US during the second half of 2014 that used hoaxes (including fabricated ebola outbreaks and police shootings) in an attempt to create public panic or outrage.