soot


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soot,

black or dull brown deposit of fine powder resulting from incomplete combustion of fuel of high carbon content, e.g., coal, wood, and oil. It consists chiefly of amorphous carbon and tarry substances that cause it to adhere to surfaces. Soot obtained from coal also contains sulfur and ammonia. See carbon blackcarbon black,
mixture of partially burned hydrocarbons. Carbon black is produced by partial combustion of natural gas. It is used as a black pigment for inks and paints, and is used in large amounts by the tire industry in the production of vulcanized rubber.
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soot

[su̇t]
(materials)
Impure black carbon with oily compounds obtained from the incomplete combustion of resinous materials, oils, wood, or coal.

soot

finely divided carbon deposited from flames during the incomplete combustion of organic substances such as coal
References in periodicals archive ?
In total, over 40% of Americans, or more than 141 million people, lived in counties with unhealthy air from soot or smog in 20152017, when the report was compiled.
Net soot emissions depend on competing formation and oxidation processes whose rates are of similar orders of magnitude.
Assembled in the USA and EWG verified, Hero Wipes has been formulated, tested and proven to remove carcinogenic soot and lead contaminants in the same wipe.
Ashley Cousins, the ghostly Soot, shines as comedic relief to an otherwise stilted performance, and brings depth to his character like no other.
It was the committee that later unravelled the likely cause of the 'soot' which had continued to increase in intensity as it spreads to other areas.
Burner-stabilized, premixed 1D flames are particularly suited for testing models of soot formation because they offer well-defined conditions that are readily amenable to analysis.
The Monte Carlo method has been coupled with the chemical kinetics solver Chemkin II to simulate soot formation and evolution in a counterflow diffusion flame [14].
Led by Tohoku University Professor Kunio Kaiho, the researchers came by their hypothesis by calculating the amount of soot in the stratosphere and estimating climate changes caused by soot using a global climate model developed at the Meteorological Research Institute.
Therefore, these areas contained a high amount of organic matter, part of which became soot from the heat of the asteroid's impact," according to (http://www.tohoku.ac.jp/en/press/asteroid_impact.html) a statement Thursday by Tohoku University.
However, soon after, World War II saw soot on birds' feathers increase, as coal was used to manufacture for the war efforts.
One of the most effective soot reduction methods in transient conditions is to achieve leaner engine operation.