3/19/2024 0 Comments Gray and black background smokein polyvinyl chloride or brominated flame retardants) may lead to the production of hydrogen chloride, phosgene, dioxin, and chloromethane, bromomethane and other halocarbons. Contents of halogens such as chlorine (e.g. Hydrogen gas can be produced instead of water. Partial oxidation of carbon produces carbon monoxide, while nitrogen-containing materials can yield hydrogen cyanide, ammonia, and nitrogen oxides. Fires burning with lack of oxygen produce a significantly wider palette of compounds, many of them toxic. Carbon and hydrogen are almost completely oxidized to carbon dioxide and water. Sulfur content yields sulfur dioxide, or in case of incomplete combustion, hydrogen sulfide. High temperature also leads to production of nitrogen oxides. Fires with high availability of oxygen burn at a high temperature and with a small amount of smoke produced the particles are mostly composed of ash, or with large temperature differences, of condensed aerosol of water. The composition of smoke depends on the nature of the burning fuel and the conditions of combustion.
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