Near-surface air pollution is a serious health hazard estimated to cause millions of deaths annually. Soot, emitted for instance from coal burning or from motor vehicles, is one such pollutant.
Environment
Jun 28, 2023
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1
New research finds soot from global fires ignited by an asteroid impact could have blocked sunlight long enough to drive the mass extinction that killed most life on Earth, including the dinosaurs, 66 million years ago.
Earth Sciences
Mar 20, 2020
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285
As soot particles become compact in their journey through the atmosphere, they scatter and absorb light and can affect respiratory tracts.
Environment
Nov 6, 2019
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264
In most situations, breaking things apart isn't the best way to solve a problem. However, sometimes the opposite is true if you're trying to characterize complex chemical compounds. That's what Sandia National Laboratories ...
Analytical Chemistry
Feb 7, 2019
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Running diesel engines and gas turbines at high pressure to boost power output and efficiency is harmful for the environment. Burning fuel at high pressure can significantly change the soot particles that are produced, William ...
Engineering
Nov 14, 2018
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A BYU chemical engineering professor and his Ph.D. student have developed an advanced model that can help predict pollution caused by wildfire smoke.
Environment
Aug 24, 2018
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18
The savory aromas of roasting hot dogs and chicken kebabs wafted out of metal and glass vacuum tubes heated by mirrors curved to capture the sun's heat.
Energy & Green Tech
Aug 7, 2018
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It is exactly 20 years since experts from Empa and VERT published the first test results on diesel particle filters. Today, more than 300 million vehicles worldwide are fitted with such filters. However, a VERT conference ...
Energy & Green Tech
Apr 10, 2018
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18
Norwegians love to heat with wood. The walls of houses around the Norwegian countryside in the winter are lined with stacks of wood and smoke rises from chimneys, especially on cold days. There was even a national "wood night ...
Environment
Apr 3, 2018
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17
A new study led by Empa scientists finds that some direct-injection gasoline engines emit just as many soot particles as unfiltered diesel cars did in the past. Particle filters can remedy this.
Energy & Green Tech
May 24, 2017
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