Current Ammonia News and Events

Current Ammonia News and Events, Ammonia News Articles.
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Amination strategy improves efficiency of CO2 electrocatalytic reduction
A research team led by Prof. LIU Licheng from the Qingdao Institute of Bioenergy and Bioprocess Technology (QIBEBT) of the Chinese Academy of Sciences (CAS) proposed a two-step amination strategy to regulate the electronic structure of M-N/C catalysts (M=Ni, Fe, Zn) and enhance the intrinsic activity of CO2 electrocatalytic reduction. (2021-02-19)

Unexpected decrease in ammonia emissions due to COVID-19 lockdowns
Scientists introduced machine learning algorithms to models that separated meteorological influences and confirmed that the actual atmospheric ammonia concentration dropped to a new minimum during the 2020 Spring Festival at both urban and rural sites. (2021-02-18)

Climate research: rapid formation of iodic particles over the Arctic
When sea ice melts and the water surface increases, more iodine-containing vapours rise from the sea. Scientists from the international research network CLOUD have now discovered that aerosol particles form rapidly from iodine vapours, which can serve as condensation nuclei for cloud formation. The CLOUD researchers, among them scientists from the Goethe University Frankfurt, fear a mutual intensification of sea ice melt and cloud formation, which could accelerate the warming of the Arctic and Antarctic. (2021-02-11)

Iodine oxoacids drive rapid aerosol formation in pristine atmospheric areas
Iodine plays a bigger role than thought in rapid new particle formation (NPF) in relatively pristine regions of the atmosphere, such as along marine coasts, in the Arctic boundary layer or in the upper free troposphere, according to a new study. (2021-02-04)

New eco-friendly way to make ammonia could be boon for agriculture, hydrogen economy
Ammonia has sustained humanity since the early 20th century, but its production leaves a huge carbon footprint. Now researchers have found a way to make it 100 per cent renewable. (2021-01-21)

Catalyticity of molybdenum-dinitrogen complexes in organic reactions
Molybdenum dinitrogen complexes supported by monodentate arylsilylamido ligand, [Ar(Me3Si)N]3MoN2Mg(THF)2[N(SiMe3)Ar] and [Ar(Me3Si)N]3MoN2SiMe3 (Ar = 3,5-Me2C6H3) were synthesized and structurally characterized, which were proved to be effective catalysts for the disproportionation of cyclohexadienes and isomerization of terminal alkenes. 1H NMR spectrum suggested that the bridging nitrogen ligand remains intact during the catalytic reaction, indicating the possible catalytic ability of Mo-N=N motif. (2021-01-14)

Eastern and central China become brighter due to clean air action
A new study finds that the air pollution control actions can lead to not only considerable environmental and health improvements, but also increases in solar photovoltaic energy production. (2021-01-13)

Turning the heat down: Catalyzing ammonia formation at lower temperatures with ruthenium
Scientists at Tokyo Institute of Technology (Tokyo Tech) report that the metal ruthenium, supported with lanthanide oxyhydrides, can efficiently catalyze the synthesis of ammonia at a much lower temperature than the traditional approach. In their new study, they highlight the advantages of the oxyhydride support and its potential in becoming a feasible catalyst for low-temperature ammonia synthesis in the future. (2020-12-23)

NUS engineers discover new microbe for simpler, cheaper and greener wastewater treatment
Researchers from NUS have discovered a new strain of bacterium that can remove both nitrogen and phosphorous from sewage wastewater. Their findings offer a simpler, cheaper and greener method of wastewater treatment. (2020-12-08)

Key building block for organic molecules discovered in meteorites
Scientists from Japan and the USA have confirmed the presence in meteorites of a key organic molecule which may have been used to build other organic molecules, including some used by life. The discovery validates theories of the formation of organic compounds in extraterrestrial environments. (2020-12-07)

Hibiscus reduces the toxicity of ammonia for rainbow trout, say RUDN University biologists
A team of biologists from RUDN University developed a hibiscus-based dietary supplement for trout that makes the fish less sensitive to ammonia pollution and more stress-resistant. (2020-12-07)

Danish researchers develop budget optical ammonia sensor
In collaboration with the Technical University of Denmark (DTU), the Department of Engineering at Aarhus University has developed photonic sensor technology that can pave the way for a portable, reliable and, above all, inexpensive device for detecting ammonia and other gases in agriculture. The new technology has been developed as part of the Ecometa project, which has received DKK 12.5 million funding from Innovation Fund Denmark. (2020-12-01)

UIC researchers identify new process to produce ammonia with a much smaller carbon footprint
Researchers describe a new process to produce ammonia with a potentially much lower carbon footprint. (2020-11-30)

Using strain to control oxynitride properties
Japanese scientists have stumbled onto a simple method for controlling the introduction of defects, called 'vacancy layers', into perovskite oxynitrides, leading to changes in their physical properties. The approach, published in the journal Nature Communications, could help in the development of photocatalysts. (2020-11-23)

New technique seamlessly converts ammonia to green hydrogen
Northwestern University researchers have developed a highly effective, environmentally friendly method for converting ammonia into hydrogen. The new technique is a major step forward for enabling a zero-pollution, hydrogen-fueled economy. The idea of using ammonia as a carrier for hydrogen delivery has gained traction in recent years because ammonia is much easier to liquify than hydrogen and is therefore much easier to store and transport. Northwestern's technological breakthrough overcomes several existing barriers to the production of clean hydrogen from ammonia. (2020-11-18)

Researchers develop a new way to create a spectrum of natural-looking hair colors
Northwestern University researchers have developed a new way to create a spectrum of natural-looking hair colors, ranging from blond to black, by using enzymes to catalyze synthetic melanin. (2020-10-30)

Graphdiyne based metal atomic catalyst for efficient ammonia synthesis
Researchers cleverly used the rich chemical bonds, highly conjugated large π bonds, super-large surface and pore structures of graphdiyne. The graphdiyne-based zero-valent palladium atom catalyst was efficiently and controllably designed and synthesized through a simple and efficient metal ion anchoring-electron transfer - self-reduction strategy. (2020-10-28)

An enhanced ruthenium-based catalyst for primary amine synthesis
Researchers at Tokyo Institute of Technology (Tokyo Tech) have developed a high-performance reusable ruthenium-based catalyst for the production of primary amines. Their method represents a major advance for the development of efficient catalysts that enable selective conversion of alcohols into primary amines under mild reaction conditions. (2020-09-25)

Water on exoplanet cloud tops could be found with hi-tech instrumentation
University of Warwick astronomers have shown that water vapour can potentially be detected in the atmospheres of exoplanets by peering literally over the tops of their impenetrable clouds. (2020-09-22)

Freshwater biology: Turtle scavenging critical to freshwater ecosystem health
Freshwater turtles may have a role in regulating water quality in river systems by scavenging fish carcasses, suggests a study of Emydura macquarii, a vulnerable freshwater turtle species found in Australia. The findings are published in Scientific Reports. (2020-09-17)

Reducing nitrogen with boron and beer
The industrial conversion of nitrogen to ammonium provides fertiliser for agriculture. Würzburg chemists have now achieved this conversion at room temperature and low pressure using only light elements. (2020-09-14)

When methane-eating microbes eat ammonia instead
As a side effect of their metabolism, microorganisms living on methane can also convert ammonia. In the process, they produce nitric oxide (NO), a central molecule in the global nitrogen cycle. Scientists from the Max Planck Institute for Marine Microbiology, Bremen (DE), and Radboud University, Nijmegen (NL), now discovered the enzyme that produces NO, closing an important gap in our understanding of how methanotrophs deal with rising environmental ammonia concentrations. (2020-09-13)

Multiphase buffering by ammonia explains wide range of atmospheric aerosol acidity
Anthropogenic ammonia emissions and the water content matter more than dry particle composition for the acidity of atmospheric aerosols in populated regions. (2020-09-10)

Scientists have discovered an environmentally friendly way to transform silicon into nanoparticles
Scientists have developed a new method of silicon recycling. The majority of solar panels that are produced in ever-increasing quantities use silicon. Solar panels that usually have a service life of 25-30 years tend to degrade and produce less electricity over time, making silicon waste recycling a hot-button issue. Converting silicon into silicon oxide nanoparticles answers to silicon waste recycling issues and providing a new source of nanoparticles for various uses in science and industry. (2020-09-08)

Scientists propose nano-confinement strategy to form sub-nanometer reactors
Prof. LIU Jian from the Dalian Institute of Chemical Physics (DICP) of the Chinese Academy of Sciences and his collaborators proposed a nano-confinement strategy to host multiple Fe and Cu single atoms inside the extremely narrow yet regular surface cavities of graphitic carbon nitride to form 'sub-nanometer reactors'. (2020-09-04)

Investigation of core-shell nanocatalyst AU@CDs for ammonia synthesis
In a paper published in NANO, a team of researchers from Xinjiang University, China have prepared Au@CDs photocatalyst with core-shell structure by combining coal-based carbon dots (CDs) with gold sol. This has far-reaching significance for the further development of coal resources to prepare high-performance materials. (2020-08-24)

Hydrogen economy with mass production of high-purity hydrogen from ammonia
The Korea Institute of Science and Technology (KIST) has made an announcement about the technology to extract high-purity hydrogen from ammonia and generate electric power in conjunction with a fuel cell developed by a team led by Young Suk Jo and Chang Won Yoon from the Center for Hydrogen and Fuel Cell Research. This confirms the possibility of using ammonia as a hydrogen carrier to transport large amounts of hydrogen over long distances. (2020-08-19)

Filling the void in ammonia synthesis: The role of nitrogen vacancies in catalysts
Scientists at Tokyo Institute of Technology (Tokyo Tech) explore how nitrogen vacancies in catalysts participate in the synthesis of ammonia, a pivotal chemical in the fertilizer industry. They devised a general rule for the smart design of nitride-based catalysts based on their nitrogen vacancy formation energy and created a high performing catalyst for ammonia synthesis using cerium, an abundant transition metal. (2020-08-17)

Achieving highly efficient ammonia synthesis by altering the rate-determining step
The electrochemical conversion of nitrogen to ammonia is the most promising alternative of the traditional Haber-Bosch process to achieve nitrogen fixation under ambient conditions. In this strategy, activation of high-energy triple-bonds of nitrogen is the most significant bottleneck and is commonly considered as the rate-determining step of ammonia synthesis. Scientists based in China successfully alter the rate-determining step of electrochemical nitrogen reduction, and outline guidance for future design of catalysts. (2020-08-14)

New nitrogen products are in the air
A nifty move with nitrogen has brought the world one step closer to creating a range of useful products -- from dyes to pharmaceuticals -- out of thin air. (2020-08-12)

Ammonia-rich hail sheds new light on Jupiter's weather
New Juno results suggest that the violent thunderstorms taking place in Jupiter's atmosphere may form ammonia-rich hail, or 'mushballs', that play a key role in the planet's atmospheric dynamics. This theory, developed using data from Juno's microwave radiometer by the Juno team, is described in two publications led by a CNRS researcher at the Laboratoire Lagrange (CNRS/Observatoire de la Côte d'Azur/Université Côte d'Azur) with support from the CNES. (2020-08-05)

Ammonia sparks unexpected, exotic lightning on Jupiter
NASA's Juno spacecraft -- orbiting and closely observing the planet Jupiter -- has unexpectedly discovered lightning in the planet's upper atmosphere, according to a multi-institutional study led by the NASA/Jet Propulsion Laboratory (JPL). (2020-08-05)

Methanol synthesis: Insights into the structure of an enigmatic catalyst
To render the production process more efficient, it would be helpful to know more about the copper/zinc oxide/aluminium oxide catalyst deployed in methanol production. To date, however, it hasn't been possible to analyse the structure of its surface under reaction conditions. A team from Ruhr-Universität Bochum and the Max Planck Institute for Chemical Energy Conversion has now succeeded in gaining insights into the structure of its active site. (2020-08-04)

Ammonia synthesis from selective electroreduction of nitrates over electron-deficient Co
Heterostructured Co/CoO nanosheet arrays with electron-deficient Co were constructed and exhibited excellent performances for nitrate electroreduction to ammonia: Faradaic efficiency (93.8%) and selectivity (91.2%), greatly outperforming Co NSAs. (2020-07-28)

Hubble sees summertime on Saturn
Saturn is truly the lord of the rings in this latest snapshot from NASA's Hubble Space Telescope, taken on July 4, 2020, when the opulent giant world was 839 million miles from Earth. This new Saturn image was taken during summer in the planet's northern hemisphere. (2020-07-23)

Researchers develop a portable blood ammonia detector
This device offers a significantly faster and easier method for detecting ammonia levels in blood, which can reach dangerous levels in people with certain diseases and genetic conditions. (2020-07-21)

Running on empty: New affordable catalyst relies on nitrogen vacancies to produce ammonia
Scientists at Tokyo Institute of Technology have developed a new catalyst for synthesizing ammonia that does not comprise rare metals. By exploring a new design concept based around nitrogen vacancies, they created an inexpensive catalyst from abundantly available elements that still achieves state-of-the-art performance. (2020-07-15)

Identifying sources of deadly air pollution in the United States
A new study from University of Minnesota researchers provides an unprecedented look at the causes of poor air quality in the United States and its effects on human health. (2020-07-15)

A bioartificial system acts as 'dialysis' for failing livers in pigs
A bioartificial system that incorporates enhanced liver cells can act as an analogous form of dialysis for the liver in pigs, effectively carrying out the organ's detoxifying roles and preventing further liver damage in animals with acute liver failure. (2020-07-08)

Ancient asteroid impacts created the ingredients of life on Earth and Mars
A new study reveals that asteroid impact sites in the ocean may possess a crucial link in explaining the formation of the essential molecules for life. The study discovered the emergence of amino acids that serve as the building blocks for proteins - demonstrating the role of meteorites in bringing life's molecules to earth, and potentially Mars. (2020-06-08)

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