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flue gas

British  

noun

  1. the smoke in the uptake of a boiler fire: it consists mainly of carbon dioxide, carbon monoxide, and nitrogen

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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The advantage became even clearer when researchers used a simulated flue gas containing 15% CO2, 8% oxygen gas, and 77% nitrogen gas.

From Science Daily Jan. 29, 2026

It also makes up part of the flue gas emitted from smokestacks at coal plants.

From Washington Times Dec. 11, 2019

“Over the plant’s lifetime, the all-in cost is $600 per ton of CO2, roughly eight times higher than the cost per ton to capture CO2 from the flue gas of a coal power plant.”

From Scientific American Nov. 13, 2019

Not only does coal release twice as much carbon pollution as natural gas, but that CO2 also makes up just 14% of the flue gas from a conventional power plant.

From Science Magazine May 24, 2017

Therefore, applying this data to standard efficiency charts will give a true indication of flue gas loss.

From Installation and Operation Instructions For Custom Mark III CP Series Oil Fired Unit by Anonymous

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