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How can a compost heap combust?
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[QUOTE="256bits, post: 6051837, member: 328943"] [URL]https://www.apsei.org.pt/media/recursos/documentos-de-outras-entidades/CFPA-guidelines-incendio/CFPA_E_Guideline_No_31_2013_F.pdf[/URL] See section 5.1 for biological action. Note that you need three things for a fire, the fire triangle, and that is apt for these types of fires also. Fuel Heat Oxygen Too dry and the microbes cannot survive. Too wet and, well it is too wet to burn. But with the right conditions biomass, Microbiological action would raise the temperature somewhat. As is said in the article, above 70-80 C, exothermic chemical reactions take over. If insufficient oxygen is available, the temperature can rise, but no fire. If one turns over the biomass allowing access to oxygen, or if leaky to oxygen penetration, the flaming fire can be a result. [/QUOTE]
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