flue gas
noun
: the mixture of gases resulting from combustion and other reactions in a furnace, passing off through the smoke flue, composed largely of nitrogen, carbon dioxide, carbon monoxide, water vapor, and often sulfur dioxide, and sometimes serving as a source from which carbon dioxide or other compounds are recovered
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“Flue gas.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/flue%20gas. Accessed 30 Nov. 2024.
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