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On the catastrophic explosion of the AZF plant in Toulouse
Process Safety Progress ( IF 1 ) Pub Date : 2020-10-16 , DOI: 10.1002/prs.12197
Georges Guiochon 1
Affiliation  

On September 21, 2001, around 10:17 am, a warehouse containing about 300 metric tons of ammonium nitrate rejects exploded in the AZF/Grande Paroisse plant in Toulouse (France), causing 31 deaths, hundreds of casualties, and enormous damages. The criminal investigation focused exclusively on the explosion itself and neglected the long chain of precursor events that took place in the previous hours, and suggest that a complex cascade of successive events was triggered by some unknown event. These strange, unusual phenomena were never investigated. The prosecution adopted an unlikely chemical scenario that cannot explain the origin of the catastrophe. The official investigation and the first instance trial were inconclusive. The judge found insufficient ground for criminal liability. A detailed examination of the different precursor events suggests a tentative explanation for the succession of events that linked to lead to the catastrophe. A strong thermal inversion caused pollutants from local plants to affect a high voltage electric line downwind from the plants, generating strong flames and arcs without triggering the current breakers and perturbing the computers that control the plants. Rogue orders caused a chain of explosions in the neighbor SNPE plant and finally that of a WW II bomb under AZF.

中文翻译:

关于图卢兹 AZF 工厂的灾难性爆炸

2001 年 9 月 21 日上午 10 点 17 分左右,位于法国图卢兹的 AZF/Grande Paroisse 工厂一个装有约 300 公吨硝酸铵废料的仓库发生爆炸,造成 31 人死亡、数百人伤亡和巨大损失。刑事调查只关注爆炸本身,而忽略了前几​​个小时发生的一长串先兆事件,并表明一系列复杂的连续事件是由某些未知事件引发的。这些奇怪的、不寻常的现象从未被调查过。检方采用了一种不太可能的化学情景,无法解释灾难的起源。官方调查和一审判决尚无定论。法官认为刑事责任的理由不充分。对不同前兆事件的详细检查表明,对导致灾难的事件的连续性做出了初步解释。强烈的热反转导致当地植物的污染物影响植物顺风的高压电线,产生强烈的火焰和电弧,而不会触发电流断路器并扰乱控制植物的计算机。无赖的命令在邻近的 SNPE 工厂引发了一系列爆炸,最后在 AZF 下引发了二战炸弹。产生强烈的火焰和电弧,而不会触发电流断路器并干扰控制植物的计算机。无赖的命令在邻近的 SNPE 工厂引发了一系列爆炸,最后在 AZF 下引发了二战炸弹。产生强烈的火焰和电弧,而不会触发电流断路器并干扰控制植物的计算机。无赖的命令在邻近的 SNPE 工厂引发了一系列爆炸,最后在 AZF 下引发了二战炸弹。
更新日期:2020-10-16
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