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When seen through the lens of technology, few resources are truly scarce; they’re mainly inaccessible. 

 

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A new method to convert CO2 to a valuable organic compound

RATE THIS! +10
Posted in Science on 29th Dec, 2014 11:22 PM by AlexMuller

Researchers are contributing to ongoing work aimed at reducing the amount of carbon dioxide released in the environment. A research team has discovered a cyclic copper complex that converts carbon dioxide to oxalate, changing the environmental pollutant into a useful organic compound.

 

Carbon dioxide is naturally present in the air as part of the normal circulation of carbon among the Earth's atmosphere, ocean, and land surface; however, human activities are shifting the natural carbon cycle by adding more carbon dioxide and influencing nature's ability to remove the greenhouse gas from the atmosphere.
 
"The particular chemistry we have discovered is more interesting than most of the things we have done, because everyone wants to solve this carbon dioxide problem. This is just one step to solving the puzzle," Maverick said.
 
Maverick and his research team have developed a three-step reaction sequence in which a copper complex converts carbon dioxide to oxalate under mild conditions. The copper complex is first reduced by reaction with sodium ascorbate or vitamin C. The reduced complex selectively reacts with carbon dioxide from air and fixes it into oxalate, with the oxalate ion bridging between two copper atoms.
 
The team, which includes Maverick, LSU Research Associate Frank Fronczek and post-doctoral researcher Uttam Pokharel, have co-authored a paper about their discovery to be published in the December edition of Nature Communications.
 
A key component to this discovery was the development of a compound that would react with carbon dioxide. The research team created more than 50 different compounds before finding the one that would react with carbon dioxide.
 
"Carbon dioxide does not want to react with just any compound," Maverick said. "Even highly energetic molecules often do not react with CO2. So, it is important to search for compounds like our copper complex, which will convert CO2 into something with a little more stored energy."
 
LSU has applied for an international patent for the team's work, but Maverick warns that that this discovery does not signal the end of the world's climate change issues. "Our compound takes four to five days to react," he said. "This is much too slow for anything that is of practical use."

Tags: CO2chemistrypollutionenvironmentclimate

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Comments

Author: Guest
Posted: 2016-07-21
+0
Stella Hansen: Okay, guys, you’re home. Get out.Russell Ziskey: You’re not gonna report this or anything, are you?Stella Hansen: I’m gonna treat it like a UFO sighting. I saw something, but I’m not quite sure what it was.Russell Ziskey: Thank You.Actually this one is be2ter&#8t30;. Reply


 

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