Sulfur Current Events

Sulfur Current Events, Sulfur News Articles.
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At last, an inventory of the ocean's dissolved sulfur
The dissolved fraction of organic sulfur in the ocean is the most abundant form of sulfur there by a factor of ten, a new study finds. (2016-10-06)

U of I study: Distiller's grain safe for pigs, even with sulfur content
University of Illinois research reports that swine producers can feed distiller's dried grain with solubles to their pigs without concern for sulfur content. (2012-03-21)

Super sulfur soaker material may help control diesel emissions
The mineral cryptomelane holds promise to absorb the toxic sulfur oxides that can degrade the emission control systems on diesel vehicles. Pacific Northwest National Laboratory researchers have identified the potential of using cryptomelane to trap sulfur dioxide and sulfur trioxide from diesel engine emissions on monolith supports - sturdy honeycombed structures composed of small parallel channels. (2005-09-01)

Emissions have declined, but sulfur dioxide air pollutant still a concern for asthmatics
Emissions of the air pollutant sulfur dioxide have been dramatically decreased during the past 30 years but for some people even a little inhaled sulfur dioxide may still be too much. (2015-07-16)

Scientists develop high-performance lithium-sulfur batteries
Recently, research groups led by Prof. LIU Jian and Prof. WU Zhongshuai from the Dalian Institute of Chemical Physics (DICP) of the Chinese Academy of Sciences have developed Fe1-xS-decorated mesoporous carbon spheres as the nanoreactor, which can beĀ applied as lithium-sulfur battery cathode. (2020-04-16)

Pigs can regulate sulfur retention when distillers dried grains are included in diet
Distillers dried grains with solubles, a co-product of the ethanol industry, is becoming a more common ingredient in swine diets. However, distillers dried grains with solubles can be high in sulfur, and data are limited on the amount of sulfur that pigs can tolerate in the diet. Therefore, researchers at the University of Illinois have conducted research to investigate effects of high levels of sulfur in diets for pigs. (2015-02-19)

Ultra clean transportation fuels by deep desulfurization
A process that removes organic sulfur from liquid fuels at low temperatures and ambient pressure without using hydrogen, may help refiners provide fuels for fuel cells and meet the upcoming government's ultra-clean fuel requirements, according to Penn State researchers. (2002-04-08)

Organic/inorganic sulfur may be key for safe rechargeable lithium batteries
We have come a long way from leaky sulfur-acid automobile batteries, but modern lithium batteries still have some down sides. Now a team of Penn State engineers have a different type of lithium sulfur battery that could be more efficient, less expensive and safer. (2017-10-11)

Researchers charge ahead to develop better batteries
They die at the most inconvenient times. Cellphones go dark during important conversations because a battery hasn't been recharged. Or the automotive industry revs up with excitement for a new battery-powered vehicle, but it needs frequent recharging. Researchers at The University of Texas at Dallas have developed a high-powered, environmentally safe lithium-sulfur substitute that could drastically lengthen battery life. Their work has been published in the journal Nature Nanotechnology. (2018-03-27)

Price for decreased acid rain may be increased global warming
Reducing future emissions of sulfur dioxide in an attempt to mitigate the acid-rain problem may aggravate the global- warming problem, a University of Illinois professor says. (1999-07-07)

Unlike rubber bands, molecular bonds may not break faster when pulled
From balloons to rubber bands, things always break faster when stretched. Or do they? University of Illinois scientists studying chemical bonds now have shown this isn't always the case, and their results may have profound implications for the stability of proteins to mechanical stress and the design of new high-tech polymers. (2009-06-17)

Inexpensive oxidation catalyst could reduce diesel emissions
It's not a new material, but a new application of silver hollandite could make a big impact in diesel emissions control. Researchers at Pacific Northwest National Laboratory have developed an inexpensive method of synthesizing nano-sized silver hollandite and have found the material has unique catalytic properties that can completely oxidize nitrogens of oxide, carbon monoxide and hydrocarbons. These chemical reactions caused by the silver hollandite are key to reducing pollutants in diesel engine emissions. (2005-08-31)

Bacterial 'switch gene' regulates how oceans emit sulfur into atmosphere
Scientists have discovered a bacterial (2006-10-27)

Better measurements reveal seasonal changes in sulfur
Researchers from the University of Maryland (UMD) and the National Institute of Standards and Technology (NIST) have developed a new and improved technique for the simultaneous measurement of sulfur isotopic ratios and concentrations of atmospheric sulfate using snow samples from Greenland and Kyrgyzstan. (2005-10-07)

Scientist explains sulfur behavior in Venus atmosphere
The beautiful dark stripes on ultraviolet images of Venus's disc are in no way connected with the crystalline sulfur particles in its atmosphere -- the ultraviolet is absorbed by another substance. This has been proven by data obtained from the first ever model of the distribution of sulfur in Venus's gaseous envelope which has been developed by the head of MIPT's Laboratory of High Resolution Infrared Spectroscopy of Planetary Atmospheres, Professor Vladimir Krasnopolsky. (2016-04-26)

New book rethinks the relationship between sulfur and crops
Sulfur is often overlooked as a nutrient in favor of nitrogen, phosphorus and potassium, but a new book from the Soil Science Society of America explains its crucial role in soil condition, plant growth and nutrition. (2008-10-06)

Ship sulfur emissions found to strongly impact worldwide ocean and coastal pollution
Ship emissions are a dominant contributor to atmospheric sulfur dioxide concentrations over much of the world's oceans and in several coastal regions, researchers from Carnegie Mellon University and Duke University report in a Nature article today. (1999-08-19)

New gel-like coating beefs up the performance of lithium-sulfur batteries
Yale scientists have developed an ultra-thin coating material that has the potential to extend the life and improve the efficiency of lithium-sulfur batteries, one of the most promising areas of energy research today. (2017-03-21)

U of I research seeks to improve sensors that monitor diesel fuel quality
Sensors currently used to monitor the quality of diesel fuel and biodiesel blended fuels during engine operation are unable to adequately detect certain important fuel quality concerns. Alan Hansen, professor of agricultural and biological engineering at the University of Illinois, and his colleagues are working to develop new technologies to improve these commercially available sensors. (2010-07-26)

New approach removes sulfur from military-grade fuel; Syngas powers the process
Researchers at PNNL have developed a compact and rugged microchannel distillation unit to create a light fraction of JP-8, the standard military fuel. (2006-03-29)

Zero-emission diesel combustion using a non-equilibrium-plasma-assisted MnO2 filter
A Japan-based research team led by Kanazawa University have used ozone from an atmospheric-pressure non-equilibrium plasma together with the desulfurization catalyst MnO2 to almost completely eliminate NOx and SOx from diesel exhaust gas at a low temperature of 473 K. This research shows that ozone can be used to remove not only SOx but also NOx from fossil fuel combustion exhaust streams. (2019-03-07)

Martian meteorites reveal clues to processes in planet's atmosphere
Detailed measurements of sulfur isotopes in five Martian meteorites have enabled researchers at the UCSD to determine that the abundant sulfur on the surface of Mars is due largely to chemical reactions in the Red Planet's atmosphere. Conclusions suggest that the variations in sulfur isotopes found on ALH84001, the Martian meteorite thought by some scientists to contain evidence of ancient Martian life, are not due to biological processes. (2000-03-01)

Rich ore deposits linked to ancient atmosphere
Much of our planet's mineral wealth was deposited billions of years ago when Earth's chemical cycles were different from today's. Using geochemical clues from rocks nearly 3 billion years old, a group of scientists including Andrey Bekker and Doug Rumble from the Carnegie Institution have made the surprising discovery that the creation of economically important nickel ore deposits was linked to sulfur in the ancient oxygen-poor atmosphere. (2009-11-19)

Koehler awarded NSF grant for study of atmospheric gases
The National Science Foundation has announced the award of $160,917 to Birgit G. Koehler, assistant professor of chemistry at Williams College, in support of her project on the (1999-11-07)

High-Intensity Ultrasound Creates Better Catalyst For Cleaning Fuels
Using high-intensity ultrasound, researchers at the University of Illinois have discovered a dramatically improved catalyst for removing smelly sulfur-containing compounds from gasoline and other fossil fuels. The improved catalyst is a new form of molybdenum disulfide, most commonly recognized as the black lubricant used to grease automobiles and machinery. (1998-07-06)

Drexel University materials research could unlock potential of lithium-sulfur batteries
Drexel researchers, along with colleagues at Aix-Marseille University in France, have discovered a high performance cathode material with great promise for use in next generation lithium-sulfur batteries that could one day be used to power mobile devices and electric cars. (2015-03-17)

Direct utilization of elemental sulfur for microporous polymer synthesis
A research team led by Professor Ali Coskun from the Graduate School of EEWS (Energy, Environment, Water and Sustainability) at Korea Advanced Institute of Science and Technology has recently introduced a new approach to resolving this problem by employing elemental sulfur directly in the synthesis of microporous polymers for the process of natural-gas sweetening. (2016-10-04)

Glass coating improves battery performance
Researchers in the Bourns College of Engineering at the University of California, Riverside have investigated a strategy to prevent this 'polysulfide shuttling' phenomenon by creating nano-sized sulfur particles, and coating them in silica, otherwise known as glass. (2015-03-02)

Clean fuels could reduce deaths from ship smokestacks by 40,000 annually
Rising levels of smokestack emissions from oceangoing ships will cause an estimated 87,000 deaths worldwide each year by 2012 -- almost one-third higher than previously believed, according to the second major study on that topic. The study says that government action to reduce sulfur emissions from shipping fuel (the source of air pollution linked to an increased risk of illness and death) could reduce that toll. The study is in the current issue of ACS' Environmental Science and Technology, a semi-monthly publication. (2009-07-08)

Pitt, NETL researchers report molecular chain reaction thought to be impossible
People said it couldn't be done, but researchers from the University of Pittsburgh and the US Department of Energy National Energy Technology Laboratory in Pittsburgh demonstrated a molecular chain reaction on a metal surface, a nanoscale process with sizable potential in areas from nanotechnology to developing information storage technology. The researchers report in the Dec. 12 edition of Science. (2008-12-11)

MIT: Atomic insight may lead to cleaner cars
MIT researchers affiliated with the Laboratory for Energy and the Environment are gaining atomic-level insight into how sulfur in engine exhaust (2003-09-25)

Sulfur 'spices' alien atmospheres
They say variety is the spice of life, and now new discoveries from Johns Hopkins researchers suggest that a certain elemental 'variety' -- sulfur -- is indeed a 'spice' that can perhaps point to signs of life. (2020-04-06)

New properties of sulfur atom discovered
2019 will be, as proclaimed by the UN, the 'International Year of the Periodic Table of Chemical Elements', in commemoration of the 150th anniversary of its creation. Researchers from the Faculty of Science of the University of Malaga (UMA) have recently revealed new properties of one of its key elements: sulfur. (2018-12-14)

Sulfur dioxide may have helped maintain a warm early Mars
Sulfur dioxide (SO2) may have played a key role in the climate and geochemistry of early Mars, geoscientists at Harvard University and the Massachusetts Institute of Technology suggest in the Dec. 21 issue of the journal Science. Their hypothesis may resolve longstanding questions about evidence that the climate of the Red Planet was once much warmer than it is today. (2007-12-20)

Scientists discover a better way to make plastics out of sulfur
Scientists at the University of Liverpool have discovered a new process to make polymers out of sulfur which could provide a way of making plastic that is less harmful to the environment. (2019-02-07)

Four-billion-year-old chemistry in cells today
Parts of the primordial soup in which life arose have been maintained in our cells today according to scientists at the University of East Anglia. Research published today in the Journal of Biological Chemistry reveals how cells in plants, yeast and very likely also in animals still perform ancient reactions thought to have been responsible for the origin of life -- some four billion years ago. (2014-07-24)

Improving China's acid rain control strategy
Scientists are reporting the first evidence that China's sharp focus on reducing widespread damage to soil by acid rain by restricting sulfur dioxide air pollution may have an unexpected consequence: Gains from that pollution control program will be largely offset by increases in nitrogen emissions, which the country's current policy largely overlooks. The study is scheduled for the Nov. 1 issue of ACS' Environmental Science & Technology, a semimonthly journal. (2009-10-14)

Scientists unravel the mystery of marine methane oxidation
Researchers uncover how microorganisms on the ocean floor protect the atmosphere against methane. (2012-11-12)

Scientists describe century of human impact on global surface temperature
Human activity has affected Earth's surface temperature during the last 130 years, according to a new study of greenhouse gas concentrations, human sulfur emissions, and variations in solar activity between 1865 and 1990. This is the first study to use cointegration techniques to make a statistically meaningful link between human activity and temperature, independent of climate models. (2002-01-22)

Exciting new developments for polymers made from waste sulfur
Researchers at the University of Liverpool are making significant progress in the quest to develop new sulfur polymers that provide an environmentally friendly alternative to some traditional petrochemical based plastics. (2020-06-23)

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