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All-in-one method measures CO2 in concrete - EurekAlert
A new device can measure carbon dioxide captured in concrete more simply and in a third of the time of current methods. Researchers at the University of Tokyo worked with engineers in industry to create the boxlike device called the concrete thermal gravimetry and gas analyzer. The device heats concrete samples to almost 1,000 degrees Celsius, causing the CO2 within to be released so it can be measured. Compared to the current technique, which involves a time-consuming and complicated process of crushing concrete samples into powder for sampling, this new method is simpler, more accurate and user-friendly. The researchers hope it will contribute to CO2 trading in the future, as the concrete and cement industry work towards offsetting their emissions as part of global targets to manage greenhouse gases.
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