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WAYS AND MEANS TO CHECK POLLUTION DUE TO COMBUSTION

Organic materials are not composed solely of carbon, hydrogen, and oxygen, but often contain alot of other elements, particularly sulfur,nitrogen, and phosphorus. The oxides of these things (SO2, NO2, for examples) react with water to make acid. Sometimes they even make carbon disulfide (CS2) or cyanide (HCN) rather than oxides. Combustion is inefficient. The compounds do not usually completely burn, do not completely convert from the organic source to totally water and carbon dioxide. Instead, there are a lot of intermediate organic compounds, the soots and tars are good examples, that escape the fire before they are completely converted to water and carbon dioxide. Many of these compounds are fairly poisonous.
The major impact of combustion is that it can also lead to the evolution of greenhouse gas.


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