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Testing Carbon Capture Potential

Posted March 27, 2016 12:00 AM by Engineering360 eNewsletter

Could a new carbon capture technology revolutionize how carbon dioxide is gathered and used at waste-to-energy (WTE) plants? Researchers in Oslo aim to find out through a test program at one of Norway's largest WTE plants. Funded by state enterprise Gassnova, the project - which IHS Engineering360 says is one of the first of its kind globally for a WTE plant - uses a mixture of water and organic amine solvents to absorb emissions. Aker Solutions expects to capture up to 90% of the CO2 released by the plant, and if the test is successful, it could lead to qualifying the technology for use worldwide.


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#1

Re: Testing Carbon Capture Potential

03/27/2016 11:50 PM

So they capture all this CO2...What do they do with it once it has been captured?

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#2

Re: Testing Carbon Capture Potential

03/28/2016 3:54 AM

Where did all the billions of tons of carbon come from in the first place and why didn't it cause a problem millions of years ago???

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#3

Re: Testing Carbon Capture Potential

03/28/2016 4:54 AM

Capturing CO2 with amines is nothing new. You land up with an amine carbonate salt - typically ethanolamine carbonate - a weakly bound salt. What then? You have to heat it to reclaim the ethanolamine and release the CO2 - to where?

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#4

Re: Testing Carbon Capture Potential

03/28/2016 8:44 AM

http://www.environmentalleader.com/2016/01/28/carbon-capture-first-waste-to-energy-ccs-co2-solutions-project-results/

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#5

Re: Testing Carbon Capture Potential

03/28/2016 10:08 AM

The basics: 1) form a heat labile complex of an amine salt of carbonic acid

2) heat the complex, and separate the amine and the carbon dioxide.

3) transmit the CO2 in a high pressure pipe line to oil recovery zones, or refine to food grade and use, or feed it to green house hyper-production zones

4) convert the CO2 gas to its solid, and dispose of in the deep by plunging it into the depths (carefully).

A better technology: learn how to burn off organic wastes to in pure oxygen stream, and produce mostly water, carbon dioxide (and a lot of energy from super critical carbon dioxide cycle Allam plant). The only problems will the unfortunate inclusion of other elements such as chlorine, sulfur, metals, and nitrogen which might disrupt the cycle of the plant. I am sure this is a challenge, but maybe it is possible to use advanced alloys, and effect a clean separation of carbon dioxide (while still hot and under pressure) from the other gases.

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#6

Re: Testing Carbon Capture Potential

03/28/2016 10:24 AM

It's a test - outcome is either it's viable potential process or 'next!'.

However, what about the amine itself, it's not exactly cheap to produce.

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