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New process gets common rocks to trap carbon rapidly, cheaply

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79% Informative

New process gets common rocks to trap carbon rapidly, cheaply.

In the lab, the materials pull CO2 from the air thousands of times faster than occurs with natural rock weathering.

The new approach was inspired by a centuries-old technique for making cement.

The Stanford team says their approach can be used beyond the lab to capture at industrial scale.

Researchers say the same kiln designs used to make cement could produce the needed materials using abundant magnesium silicates such as olivine or serpentine.

These are common leftover materials -- or tailings -- from mining.

Each ton of reactive material could remove one ton of carbon dioxide from the atmosphere.

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