Products of CombustionFlue Gas: This chart list products of combustion of clean burning fuel with a typical clean fresh air supply. Other containment can enter the combustion process from the fuel or the air. These containment may or may not be modify as they go through the combustion process. Fuels such as, Propane, Fuel oil and diesel can often have high sulphur content, which produces S02 in the exhaust and can produce sulphuric acid. Flue gases below 130°F will condensed and produce Carbonic Acids. This will quickly rust out any metal surface, heat exchangers, metal chimneys, furnace casings and anything else it touches. NOX is also produce in very small amounts but increases sharply with flame temperatures above 2800°F. Even small amounts of NOX around 0.000005% or 500 ppb has been link to asthma 300% Fresh Air supply
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