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Carbon Dioxide Scrubbing Technology. A Solution to Global Warming?
Posted on Sunday, August 06, 2006 @ 23:19:39 GMT by vlad

Science rjaworski writes: By Rick Jaworski, altenergytechnology.com

It's not often you run into a technology that could literally change the world, but this week I may have during my visit to the Georgia Bioenergy Conference in Tifton GA. A small research company in Athens Georgia may have come up with a solution to the global warming problem and also the problem of food production. The company known as EPRIDA had a small table at the conference showing a technology they developed that can scrub coal fired plants of the majority of carbon dioxide as well as the sulfur and NOx in the flue gases. The byproduct of this scrubbing process is a carbon based fertilizer that they have proven is more effective then our current nitrogen based fertilizers.

Danny Day the President of EPRIDA told me that they have shown this scrubbing technology to many people including Georgia Power (Southern Company). Southern Company and other coal based power utilities all over the world could definitely use the technology to significantly lower their CO2 emissions. Apparently they have shown in their lab that they can reduce CO2 flue emissions from a coal fired plant by as much as 60% with their carbon scrubber technology. No CO2 sequestration would be necessary as CO2 is converted to straight carbon that can be used as a fertilizer or simply buried without any concern of further leakage.

Coal plants are the largest source of CO2 emissions and being able to scrub the flue gases of coal plants for CO2 would be a huge breakthrough in the fight against global warming. But that's not all of it. The fertilizer that they produce from the process has been shown to turn infertile land into very fertile farmland. They have found that adding carbon to the soil in the form of charcoal, which is the byproduct of this process, works wonders and lasts almost indefinitely since the carbon absorbs nutrients keeping the soil continuously fertile.

I originally come from Winnipeg Canada and I've always been struck how Winnipeg's soil was so black and how fast things grew there even though the growing season is quite short. Robert Hawkins, EPRIDA's research scientist told me that this is because black soil has a much higher percentage of carbon then most soils. This carbon absorbs the various nutrients and keeps them in the soil. I guess it is like a carbon water filter absorbs impurities in water. They have done studies of fertility of high carbon black soil around the world and found this to be true. By adding carbon to the soil we can artificially increase the fertility. Unlike nitrogen based fertilizers the effect is long lasting and can last for 1000s of years.

So it appears with this technology we can take something bad, CO2 pumped into the air and turn it into something good, highly fertile soil, to help solve the global food problems. Hawkins told me that with this carbon fertilizer we can turn land unsuitable for farming into highly fertile farmland.

If that wasn't enough their system also produces biodiesel and hydrogen from biomass sources. Since the carbon has been removed from biomass to be used as the feedstock for the scrubbing process, the fuel produced has a negative carbon effect. Here is a link to a flash animation on EPRIDA's web site that explains the process. http://www.eprida.com/eprida_flash.html

So why doesn't everyone know about this? I'm not sure, but the world needs to know. I plan to write more about the technical aspects of the technology as I get more familiar with it in future postings on my website. I hope everyone that reads this will pass the information along to other people so we can help EPRIDA bring this technology into the mainstream.

This could be one of the biggest solutions we have to global warming and governments, industry and the public need to know about it.

Original story at: http://altenergytechnology.com/2006/08/carbon-dioxide-scrubbing-technology.html


Note: Not the kind of news I would normally approve for the main page but I agree with Rick, this is important for the public to know. Vlad


 
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"Carbon Dioxide Scrubbing Technology. A Solution to Global Warming?" | Login/Create an Account | 3 comments | Search Discussion
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Re: Carbon Dioxide Scrubbing Technology. A Solution to Global Warming? (Score: 1)
by rich on Monday, October 23, 2006 @ 12:00:09 GMT
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When dealing with Climate Change you need to be careful when offering hope. Hope is instantly converted by most of us into "Oh, great, I won't have to sweat this anymore". The scrubbing of greenhouse gasses to be emitted in the FUTURE will have virtually ZERO effect on the advance of Climate Change.

The current levels of CO2 already in the atmosphere are already nearly 40% greater than they have been for at least the past 650,000 tears. We have the proof in the Antarctic ice core samples. This gas will reside in the atmosphere for a minimum of 200 years and possibly as long as thousands of years.

The technology discussed is interesting but has no chance of mainstream introduction until after we are already deep into this nightmare. There is however some promising discussion of a technology that could scrub the CO2 already in the atmosphere, at mind bending cost. Check it out from professor Klaus Lindner of Colgate University. Dr Lindner's demonstration sucks atmosphere into a solution that sequesters CO2 molecules by bonding them chemically to something else (?) and the plan would be to then pump the solution down into the underground fissures created when we withdraw oil. Sort of neat to put it back where it came from. It could cost a trillion dollars and take 20 plus years but it might just pull our fat from the fire.
rich



Re: Carbon Dioxide Scrubbing Technology. A Solution to Global Warming? (Score: 1)
by Sigma on Monday, August 07, 2006 @ 01:37:16 GMT
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Very impressive for a mundane set of technologies! If successful this may buy us more time to bring in the truely exotic technologies like cold fusion and ZPE. Hope they do well!




Re: Carbon Dioxide Scrubbing Technology. A Solution to Global Warming? (Score: 1)
by ElectroDynaCat on Monday, August 07, 2006 @ 18:38:28 GMT
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There is a simple and widespred process that removes CO2 from the atmosphere is overloked. It occurs where I live, in the Nevada cow country all the time.

The stock tanks that cattlemen use to water their livestock are a medium for the growth of what is considerd to be "unwanted" algae. The same stuff that people blast with chemicals to try to get rid of in their swimming pools, the green slime that will grow on a warm day in Nevada. And there's quite a bit of the stuff, ask any rancher. After a week the algae in a 200 gallon stock gas is considerable, as much as ten pounds of the goo can be floating around in the troughs where animals feed. Sunlight, water, air, thats all you need to get into the biofuel business.

Its Mother Nature working to undo our CO2 build up. The green stuff is actually the precursor to kerogen, the raw material of petroleum. And that green stuff can be converted into fuel.

So you don't really need a coal burning powerplant  to make fuel from the CO2 thats already in the air.




 

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