The Earth's atmosphere contains large amounts of nitrogen in the form of dinitrogen gas (N2). Converting N2 to ammonia (NH3) is critical for making the fertilizer needed for agriculture.
Materials Science
Aug 9, 2024
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34
Recently, Science Bulletin published research that explored the source of ammonium in PM2.5 at different heights of the atmospheric boundary layer in Beijing, and found that combustion-related ammonia is very important to ...
Environment
May 8, 2024
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1
Atmospheric ammonia (NH3) is a trace gas that causes environmental problems and harms human health. Chinese scientists have established a full-physical retrieval algorithm to derive the concentration of the atmospheric ammonia ...
Earth Sciences
Jan 8, 2024
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29
Icy planets, such as Uranus (U) and Neptune (N), are found in both our solar system and other solar systems across the universe. Nonetheless, these planets, characterized by a thick atmosphere and a mantle made of volatile ...
Industrial production of ammonia, primarily for synthetic fertilizer—the fuel for last century's Green Revolution—is one of the world's largest chemical markets, but also one of the most energy intensive.
Materials Science
Jan 11, 2023
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57
Ammonia is obtained industrially using the Haber–Bosch process, which requires a lot of energy and hydrogen gas. A much milder approach has now been reported by a team of researchers in the journal Angewandte Chemie International ...
Analytical Chemistry
Dec 14, 2022
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438
Aerosol particles can form and grow in Earth's upper troposphere in an unexpected way, reports the CLOUD collaboration in a paper published today in Nature. The new mechanism may represent a major source of cloud and ice ...
Earth Sciences
May 18, 2022
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25
A new NASA-led study is the first to document changing atmospheric ammonia (NH3) concentrations in Africa over an extended period. Ammonia is an air pollutant which can lead to heart and lung related illness. When present ...
Earth Sciences
Nov 17, 2021
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36
Ammonia (NH3) is a major component in fertilizer and a promising carbon-free energy carrier. However, ammonia production consumes around 2 percent of the world's total energy production and releases 500 Mt of carbon dioxide ...
Nanophysics
Oct 27, 2021
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2742
Mushballs—giant, slushy hailstones made from a mixture of ammonia and water—may be responsible for an atmospheric anomaly on Neptune and Uranus that has been puzzling scientists. A study presented by Tristan Guillot at ...
Planetary Sciences
Sep 16, 2021
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