Carbon Scrubbing Ceramic Tubes  E-mail
Written by Hank Green   
Tuesday, 18 September 2007


While it'd be great if we could switch over to 100% solar power right now, we can't. We're stuck with burning fossil fuels...for a while at least. So lets start thinking of ways to keep fossil fuels from releasing CO2 into the atmosphere.

Well, we can simply use that CO2 for a variety of applications, like feeding algea to produce biofuels. Yeah, that one sounds good. Bad news though, the fumes from coal power plants contain a lot more than CO2. The nitrogen oxides in the fumes would outright kill the algea. So nix on that idea right? Wel...not so fast.

Two researchers, at the University of Newcastle Ian Metcalfe and Alan Thursfield are thinking about using a new kind of ceramic material to control the burning environment of the coal. These ceramic tubes can actually pull pure oxygen from the air. So they plan to burn coal in pure oxygen. If there's no nitrogen in the combustion chamber, then no nitrogen oxides will be emitted. And, voila, there you have an ultra-efficient, ultra-clean burning coal fired power station. And the only thing leaving the smoke stack is pure CO2 and ash.

The ash is scrubbed out like it always has been, and the pure CO2 can be used to help create biofuels. Sounds pretty promising, and we'll keep an eye on the technology as it attempts to leave the lab.

Via Inhabitat  and The Unviersity of Newcastle
Comments (3)add
Old news
written by Joel , September 18, 2007
Oxygen-conducting ceramics (such as yttria-stabilized zirconia) are kind of old news. They're used in, for example, solid oxide fuel cells.

What's new about this is the ability to use them on solid fuels. I'm guessing one would want to keep some water cycling into the combustion chamber.
uhm
written by jaykayess , September 19, 2007
Call me naive, but it's that CO2 eventually emitted anyway when the biofuels are burnt?
...
written by plv , September 21, 2007
Yes but it's used twice. Basically bulk power generation would become carbon neutral and the only release of CO2 would be for transportation. see the link below for a company making kit to grow algae rich in oil. The nutrients used to grow the algae are commonly found in sewage.

The futures here the futures green

http://www.algaelink.com/algae...eactor.htm
Write comment
smaller | bigger

busy

Hank Green
About the author:

Hank Green is the founder and chief geek at EcoGeek.org. Aside from being obsessed with saving the planet with technology, he loves to write and make videos. If you want to find out more about him, visit hankgreen.com

 
< Prev   Next >

Are You an EcoGeek?

Science, technology gadgets and...baby seals. We're in a bit of an eco-mess, but we've got the brains to lick any problem. And that's why EcoGeek.org publishes up to ten stories daily about innovations that are saving the planet.

And if that sounds interesting to you, then congratulations, you're an EcoGeek.

Weekly Updates

RSS

rss