International Scientists Discover How to Turn CO2 into Stone

Susanne.Posel-Headline.News.Official- co2.stone.iceland.experiment.university.southampton.columbia.01_occupycorporatismSusanne Posel ,Chief Editor Occupy Corporatism | Media Spokesperson, HEALTH MAX Group

 

Researchers from the University of Southampton (US) and Columbia University at the Lamont-Doherty Earth Observatory (LDEO) published a study demonstrating a way to turn carbon dioxide into stone.

Touted as a cost effective way of capturing and storing carbon, the new method promises to reduce leakage potential and become a secure way of burying CO2.

The team collaborated with members of the Carbfix project to experiment with pumping natural gas into volcanic rock in order to expedite the natural process of solidification through chemical reactions to turn gas into carbonite minerals.

Susanne.Posel-Headline.News.Official- co2.stone.iceland.experiment.university.southampton.columbia.02_occupycorporatismBy forcing carbon admitted by power plants in Iceland, the team was able to pressurize the gas to 25 atmospheres. They then pumped the CO2 into a borehole filled with water which dissolved the gas into “seltzer water”.

The team took the mixture and pumped it into a piece of porous, volcanic rock 500 meter below the surface of the earth.

By doing this, the researchers were able to create carbonic acid, dissolving the basalts; while at the same time making new compounds such as magnesium from the carbon and oxygen in the water.

Other compounds like iron and calcium were also formed, leaving solids where there was once gas.

Over a 24 month trial, the team was able to replicate naturally occurring chemical reactions.

The researchers pointed out that this method could “help curb the levels of heat-trapping gases in the atmosphere and stem global warming.”

Juerg Matter, associate professor of geoengineering for US explained : “We need to deal with rising carbon emissions. This is the ultimate permanent storage — turn them back to stone.”

Matter continued: “Of our 220 tons of injected CO2, 95% was converted to limestone in less than two years.”

Martin Stute, co-author of the study from the LDEO commented : “In the future, we could think of using this for power plants in places where there’s a lot of basalt – and there are many such places. You can find basalts on every continent and, certainly, you can find them offshore because all the oceanic crust – so below the seafloor – is all basaltic rocks. In terms of the availability of basaltic rocks to take care of CO2 emissions globally – no problem.”

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