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You are here: Home / Podcast / Fuel From Greenhouse Gases

Fuel From Greenhouse Gases

November 28, 2017 By EarthWise Leave a Comment

https://earthwiseradio.org/wp-content/uploads/2017/11/EW-11-28-17-Fuel-from-Greenhouse-Gases.mp3

Carbon dioxide and methane are the two greenhouse gases that are having the greatest impact on the global climate.  There are basically three ways to prevent them from getting into the atmosphere:  don’t emit them, trap them and store them away, or turn them into something useful.

Reducing greenhouse gas emissions by producing valuable chemical feedstocks or liquid fuels seems like a winning strategy.  The challenge is to be able to do it in a way that is economical, energetically favorable, and environmentally friendly.

Researchers at the University of Liverpool in England recently published a paper outlining a unique plasma synthesis process for the direct, one-step activation of carbon dioxide and methane into liquid fuels and chemicals under essentially ambient conditions – that is, at room temperature and atmospheric pressure.

This is a significant breakthrough because these two gases are very stable and inert molecules that are difficult to chemically react.  Generally speaking, it usually takes high-temperature, energy-intensive and high-pressure syngas processing to perform chemical synthesis using carbon dioxide or methane.

The new process is a non-thermal plasma process in which the gas temperature remains low and high energy of plasma electrons is used to activate the inert gas molecules.  The activated molecules produce a variety of chemically reactive species that can then initiate reactions to form useful fuels and chemicals.

The researchers claim that the plasma systems can be scaled up and can be started and shut down rapidly compared with thermal processes.  These features could lead to efficient and low-cost processing powered by renewable energy.  Among early applications could be the elimination of the flaring of gas from oil and gas wells that currently dumps hundreds of millions of tons of CO2 into the atmosphere.

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Web Links

Breakthrough in direct activation of CO2 and CH4 into liquid fuels and chemicals

Photo, posted July 30, 2010, courtesy of Ken Doerr via Flickr.

 

‘Fuel from Greenhouse Gases’ from Earth Wise is a production of WAMC Northeast Public Radio.

Tagged With: atmosphere, breakthrough, carbon capture and storage, chemical feedstocks, chemical synthesis, climate, Climate Change, CO2, economical, emissions, energy, england, environment, flaring, fuel, gas, gas wells, greenhouse gases, liquid fuels, liverpool, methane, molecules, oil, pressure, renewable energy, science, scientific, temperature, wells

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