New Technology May Yield Actual (not imaginary) 100% Clean Coal

March 11, 2010 at 1:56 pm Leave a comment

A new process developed by scientists at Calera, Inc. have developed a process that mimics growing coral by taking CO2 emissions from a coal- or gas-fired power plant and spraying seawater into it. This naturally converts most of the CO2 into calcium carbonate, which is then spray-dried into cement or shaped into little pellets that can be used as concrete aggregates for building walls or highways — instead of letting the CO2 emissions go into the atmosphere and produce climate change.

Although coal is not a renewable energy source, this process could sequester enough carbon from existing, and in some countries rapidly multiplying gas and coal-fueled power plants, to lower global carbon emissions enough to mitigate radical global climate change.

[read a New York Times article on this by Thomas Friedman]
[see a video about the process at the Caldera website that includes support by Carl Pop, Executive Director of Sierra Club]

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Entry filed under: 1833, Renewable Energy.

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