Search results for gas permeation

Astronomy Apr 16, 2019

Variations in the 'fogginess' of the universe identify a milestone in cosmic history

Large differences in the 'fogginess' of the early universe were caused by islands of cold gas left behind when the universe heated up after the big bang, according to an international team of astronomers.

Materials Science Apr 9, 2019

Novel membrane material removes more impurities without the need for toxic solvents

Natural gas and biogas have become increasingly popular sources of energy throughout the world in recent years, thanks to their cleaner and more efficient combustion process when compared to coal and oil.

Materials Science Jan 8, 2019

Engineers identify improved membranes to capture CO2 at coal-fired power plants

A computational modeling method developed at the University of Pittsburgh's Swanson School of Engineering may help to fast-track the identification and design of new carbon capture and storage materials for use by the nation's ...

Environment Nov 15, 2018

Spending our carbon budgets wisely

The UN's Intergovernmental Panel on Climate Change (IPCC) sent a clear message to the world with its last report, issued in early October in South Korea: the world needs to act immediately to cut greenhouse gas emissions. ...

Earth Sciences Nov 13, 2018

System to rid space station of astronaut exhalations inspires Earth-based CO2 removal

When astronauts aboard the International Space Station (ISS) exhale carbon dioxide (CO2), it's removed from the air and pumped into space. Could an Earth-based version help remove greenhouse gas emissions from our atmosphere?

Astronomy Nov 1, 2018

Could 'Oumuamua be an extraterrestrial solar sail?

On October 19th, 2017, the Panoramic Survey Telescope and Rapid Response System-1 (Pan-STARRS-1) in Hawaii announced the first-ever detection of an interstellar asteroid, named 1I/2017 U1 (aka, "Oumuamua). In the months that ...

Astronomy Sep 24, 2018

Image: Herschel's view of the galactic centre

An odd-shaped formation of gas and dust at the centre of the Milky Way, captured by the far-infrared cameras on board ESA's Herschel space observatory. The nearly continuous strip of dense and cold clumps of material forms ...

Materials Science Sep 6, 2018

Cracking the code to soot formation—scientists unlock mystery to help reduce hazardous emissions

The longstanding mystery of soot formation, which combustion scientists have been trying to explain for decades, appears to be finally solved, thanks to research led by Sandia National Laboratories.

Nanomaterials Aug 22, 2018

Graphene laminated pipes could reduce corrosion in the oil and gas industry

Researchers at The University of Manchester and TWI have discovered ways of using graphene to prolong the lifetime of pipes used in the oil and gas industry.

Nanomaterials Jul 17, 2018

An atom-thick graphene membrane for industrial gas separation

Chemical engineers at EPFL have demonstrated for the first time that an atom-thick graphene membrane can separate gas mixtures with a high-efficiency. The "ultimate" membrane is scalable, making it a breakthrough for industrial ...

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