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Author Topic: New holey material soaks up CO2  (Read 2568 times)

sky otter

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New holey material soaks up CO2
« on: June 12, 2012, 07:16:01 am »

 8)
New holey material soaks up CO2



12 June 2012 Last updated at 06:42 ET

UK researchers have developed a porous material that can preferentially soak up CO2 from the atmosphere.

NOTT-202 is a "metal-organic framework" that works like a sponge, absorbing a number of gases at high pressures.

But as the pressure is reduced, CO2 is retained as other gases are released.

The development, reported in Nature Materials, holds promise for carbon capture and storage, or even for removing CO2 from the exhaust gases of power plants and factories.

Metal-organic frameworks have been considered promising structures to trap gases for a number of years. They are so named because they comprise atoms of a metallic element at their core, surrounded by scaffolds of longer, carbon-containing chains.

These complex molecules can be made to join together in frameworks that leave gaps suitable for capturing gases.

However, until now, such frameworks have been good primarily at gathering any gas passing through them; those that were selective for CO2 have proven to have a low capacity for storing the gas.

"Increasing the selectivity for CO2 in the presence of gaseous mixtures represents a major challenge if these systems are to find practical applications under dynamic conditions," the authors wrote.

The research started at the universities of Nottingham and Newcastle, where scientists discovered a chemical system that seemed to solve this problem of selectively storing a significant amount of CO2.

But to be sure of just what they had, they collaborated with a team at the Diamond Light Source in Oxfordshire and the Science and Technology Facilities Council's Daresbury Laboratory to get a microscopic look at what they had created.

Using X-ray diffraction and detailed computer models, the researchers found that NOTT-202 is made up of two different frameworks that slot together incompletely, leaving "nanopore" gaps particularly suited to gathering up CO2.

This two-part structure, the researchers claim, is an entirely new class of porous material.

As such, research into just how similarly paired frameworks can be created may help researchers find a range of materials suited to soaking up specific gases.

http://www.bbc.co.uk/news/science-environment-18396655

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Offline Linda Brown

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Re: New holey material soaks up CO2
« Reply #1 on: June 12, 2012, 07:36:23 am »
Just ONE example of how we all can reverse the damaging effects that we have had here sharing the Earth.... and become more productive and caring Earth partners. The solutions are all within our own human intellectual grasp! How wonderful that is!!!!

 Thats the point of it. Because if we can't solve our  OWN problems ourselves then we have proven that we ourselves are a failed experiment.

John Lear has rescinded his earlier negative opinion of the  fate of our species here on this planet.

Geoff has publicly posted that he was in error regarding his conclusion about the " autobiography of T. Townsend Brown."  There is not a reason in the world why I should not be a happy camper right now!

Well, maybe  one. I feel badly about companions who have chosen a different road and who have had to have been left behind. Their choice...but still a lingering sadness..... Mr. Bristol? Are you lost forever?

And Mikado? Mikado can answer for himself. I still care.

And some would say.... that is a weakness on my part.

Onward.

Linda

sky otter

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Re: New holey material soaks up CO2
« Reply #2 on: June 12, 2012, 08:30:14 am »
  Linda

i am constantly amazed at your ability to turn everything to be all about you

perhaps more of us should do that

Offline Linda Brown

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Re: New holey material soaks up CO2
« Reply #3 on: June 12, 2012, 08:44:57 am »
And your response Sky Otter.... does not surprise me at all.   Linda

deuem

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Re: New holey material soaks up CO2
« Reply #4 on: June 12, 2012, 09:34:37 am »
Hello Sky,
 
It is way past midnight and no time to dive into the links with closed eyes.
 
Is there anything writen about what to do with them when done. They must get filled at some time.
 
It is a nice idea, plese keep filling in details as they come up.
 
Deuem

 


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