2023
DOI: 10.1002/prs.12537
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An unexpected explosion while fumigating a grain silo: It wasn't the dust

Trevor Lardinois,
Delmar “Trey” Morrison,
Daniela Revez

Abstract: Large‐scale fumigation of grain silos is a strategy to mitigate infestation of the bulk material. A common fumigant precursor for grain processes is aluminum phosphide, which exothermically decomposes in the presence of moisture (from the grain or air) to the toxic fumigant: phosphine gas. To overcome the hazards of exothermic decomposition and phosphine exposure, aluminum phosphide pellets can be metered into the silo's grain feed to distribute them throughout the grain more evenly. This approach decreases th… Show more

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“…from grain), an airborne dust dispersion above the minimum explosible concentration, an oxidant (e.g., oxygen in ambient air), an ignition source, and a confined area. 7 The system was not inerted, so atmospheric oxygen was sufficient to support combus-…”
Section: Dust Explosionmentioning
confidence: 99%
“…from grain), an airborne dust dispersion above the minimum explosible concentration, an oxidant (e.g., oxygen in ambient air), an ignition source, and a confined area. 7 The system was not inerted, so atmospheric oxygen was sufficient to support combus-…”
Section: Dust Explosionmentioning
confidence: 99%