Mon, Feb 17, 2020

Newly developed screening processes will help accelerate carbon capture research

University of Alberta researchers have developed techniques that save a significant amount of time in developing more efficient carbon capture technologies, which may help lower the costs to use the technologies and increase their adoption as a way to mitigate carbon dioxide emissions.

U of A engineering professor Arvind Rajendran and his team developed a two-step screening process that assesses carbon capture materials called zeolites in seconds rather than a day.

Capturing CO2 from trucks and reducing their emissions by 90%

Researchers at EPFL have patented a new concept that could cut trucks’ CO2 emissions by almost 90%. It involves capturing CO2 within the exhaust system, converting it into a liquid and storing it on the vehicle. The liquid CO2 would then be delivered to a service station and where it will be turned back into fuel using renewable energy.

Electric vehicles are supposed to be green, but the truth is a bit murkier

At gatherings of electric vehicle enthusiasts, the curious surround Rob Spreitzer and his car. Both are celebrities in these circles — he's known as "High Mileage Rob," having driven more than 115,000 kilometres in his Tesla Model 3 in a little more than a year of ownership.

No other Model 3 in Canada is believed to have reached that milestone in such a short time, and it's possible no other battery-only electric vehicle has either.

NEWS Selective graphene membranes could invigorate carbon capture technology

Scientists have developed membranes that separate carbon dioxide from nitrogen. The membranes feature porous graphene decorated with polymers and use interactions between the polymers and carbon dioxide to create a system that can selectively filter carbon dioxide out of flue gas.

Carbon capture and storage remains one of the most promising strategies to limit the impact of carbon emissions. Some industrial plants already capture carbon dioxide using amine sorbents, where heating regenerates the amines and removes the carbon dioxide – but this process is energy intensive.

Storing CO2 underground could help the fight against climate change

Despite the emergence of renewable energy sources such as large-scale wind and solar power, our planet is still heavily reliant on fossil fuels.

In the U.S., for example, the Energy Information Administration states that petroleum, natural gas and coal accounted for roughly 77.6 percent of primary energy production in 2017.

It's within this context that, in some quarters, the idea of carbon capture and storage, or CCS, has gained traction.

Scientists want to help save the Earth by storing carbon dioxide in the ground

PALISADES, NEW YORK — Peter Kelemen spends time in Oman looking for ways to pull carbon out of the air and put it back underground. His colleague, David Goldberg, looks at ways to store it far below the sea floor off the Oregon coast. Chemical engineer Alissa Park is working with steel mills in China to turn slag and waste carbon dioxide into reusable material.

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