New materials can selectively capture CO2, scientists say

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Thread: New materials can selectively capture CO2, scientists say

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    4.4 Liter Supercharged Northstar MechEng's Avatar
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    New materials can selectively capture CO2, scientists say

    http://www.cbc.ca/technology/story/2...n-capture.html

    This looks very intresting. This looks like it could be installed in cars too.

    Scientists have created metal-organic crystals capable of soaking up carbon dioxide gas like a sponge, which could be used to keep industrial emissions of the gas out of the atmosphere.
    Last edited by MechEng; 02-15-2008 at 12:41 PM.
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    Re: New materials can selectively capture CO2, scientists say

    I wonder how much it costs per ton of CO2, and how well it would perform when its scaled up for industrial applications.

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    Re: New materials can selectively capture CO2, scientists say

    Quote Originally Posted by jkennedy293 View Post
    I wonder how much it costs per ton of CO2, and how well it would perform when its scaled up for industrial applications.
    Well this looks like an early stage of reaserch so I doubt they have hard cost figures.

    But the article does mention that it takes very little energy to produce these crystals. And the process does seem more simple than other carbon recapture proposals.

    Apparently this same type of material (ZIF's) are being considered for hydrogen storage.

    http://pubs.acs.org/cgi-bin/abstract...ja0691932.html

    Maybe ZIF's could be the solution to many of issues with CO2 and Hydrogen.
    Last edited by MechEng; 02-15-2008 at 12:53 PM.
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    Re: New materials can selectively capture CO2, scientists say


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    Re: New materials can selectively capture CO2, scientists say

    This is interesting. Might this become one of those turning-point technologies moving forward?

    Good post MechEng.
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    Re: New materials can selectively capture CO2, scientists say

    Will they install these on volcano's and forest fires? How about campfires and politician's mouths (and rear's since they seem to talk out of both)?

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    Re: New materials can selectively capture CO2, scientists say

    Quote Originally Posted by agman25 View Post

    Good article

    Beyond being potentially useful in smokestacks, the materials could be employed in coal gasification plants. In these plants, coal is first processed to produce a mixture of carbon dioxide and hydrogen gas. The hydrogen is then used to generate electricity. The carbon dioxide could be captured using a solvent that increases energy consumption. But as in the smokestack-based process, the new UCLA materials could require less energy.
    I wonder if this process could be used to manufacture hydrogen for fuel cell use as well? Just filter out the CO2 and store it then use the hydrogen.
    Last edited by MechEng; 02-15-2008 at 01:59 PM.
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    Re: New materials can selectively capture CO2, scientists say

    What do they do with the captured C02?

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    Re: New materials can selectively capture CO2, scientists say

    Quote Originally Posted by steined View Post
    Will they install these on volcano's and forest fires? How about campfires and politician's mouths (and rear's since they seem to talk out of both)?
    Exactly! Why do we even need to capture Co2? It is a natural element that vegetation like trees breathe. Why don't we catch all of the Co2 coming out of the oceans and coming out of the dead trees? Why don't we put a net over volcano's? Hey what the hell Oxygen is bad too now why don't we get rid of that?
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    Re: New materials can selectively capture CO2, scientists say

    Has everyone forgotten about Trees? WTH.

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    Re: New materials can selectively capture CO2, scientists say

    Quote Originally Posted by jman196 View Post
    Exactly! Why do we even need to capture Co2? It is a natural element that vegetation like trees breathe. Why don't we catch all of the Co2 coming out of the oceans and coming out of the dead trees? Why don't we put a net over volcano's? Hey what the hell Oxygen is bad too now why don't we get rid of that?
    2% of CO2 is man made the rest is natural.

    The Earth has a large capacity to abosrb CO2.

    Normaly the Earth is in a natural balance were there are sources that realease (volcano's, forest fires, cow farts, etc..) and absorb (forests, oceans, etc..) CO2.

    Humans through many ways (polution, deforestation, urban sprawl etc..) have reduced the Earths ability to absorb CO2.

    Also that 2% of CO2 that is man made is above and beyond what the earth can absorb.

    Over one year that 2% is nothing. Over 50 - 100 years it becomes a problem.
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    Re: New materials can selectively capture CO2, scientists say

    Quote Originally Posted by MechEng View Post
    2% of CO2 is man made the rest is natural.

    The Earth has a large capacity to abosrb CO2.

    Normaly the Earth is in a natural balance were there are sources that realease (volcano's, forest fires, cow farts, etc..) and absorb (forests, oceans, etc..) CO2.

    Humans through many ways (polution, deforestation, urban sprawl etc..) have reduced the Earths ability to absorb CO2.

    Also that 2% of CO2 that is man made is above and beyond what the earth can absorb.

    Over one year that 2% is nothing. Over 50 - 100 years it becomes a problem.
    But do you think this natural element can drive climate despite evidence of extreme solar activity?
    "In the economic sphere an act, a habit, an institution, a law produces not only one effect, but a series of effects. Of these effects, the first alone is immediate; it appears simultaneously with its cause; it is seen. The other effects emerge only subsequently; they are not seen; we are fortunate if we foresee them." -- Frédéric Bastiat

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    Re: New materials can selectively capture CO2, scientists say

    Quote Originally Posted by GMusa View Post
    What do they do with the captured C02?
    Some commercial applications include CO2 lasers, carbonating beverages, reinjection to increase yield of old oilfields, solvent for drycleaning, basically a variety of industrial uses.
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    Re: New materials can selectively capture CO2, scientists say

    Quote Originally Posted by MechEng View Post
    Good article



    I wonder if this process could be used to manufacture hydrogen for fuel cell use as well? Just filter out the CO2 and store it then use the hydrogen.
    I think it is hydrogen and carbon monoxide. Coskata can use that to form ethanol. I guess we have two pathways towards fuel.

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    Re: New materials can selectively capture CO2, scientists say

    Quote Originally Posted by MechEng View Post
    2% of CO2 is man made the rest is natural.

    The Earth has a large capacity to abosrb CO2.

    Normaly the Earth is in a natural balance were there are sources that realease (volcano's, forest fires, cow farts, etc..) and absorb (forests, oceans, etc..) CO2.

    Humans through many ways (polution, deforestation, urban sprawl etc..) have reduced the Earths ability to absorb CO2.

    Also that 2% of CO2 that is man made is above and beyond what the earth can absorb.

    Over one year that 2% is nothing. Over 50 - 100 years it becomes a problem.
    Why don't we just plant 2% more trees then? Why create more energy-consuming, bi-product producing, money-wasting processes for an issue that people can't even agree is an issue? We're just creating more issues trying to fix other issues. When will it end?
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