New technology to turn CO2 from problem to source of income

Thursday 09 Jun 22


DTU researcher wants to transform rock wool from waste challenge to concrete ingredient in a process that simultaneously removes CO2 from flue gas and makes it a valuable, solid substance. The technology can lead to concrete with a smaller carbon footprint.

The world urgently needs ways to reduce CO2 in the atmosphere if we are to achieve the goals of the Paris Agreement's ambition to keep global temperature rise below 2 °C.

There is far more CO2 in the atmosphere today than it will ever be possible to utilize for example to make green fuels in Power-to-X plants.

"So if we are going to have any hope to return to a pre-industrial CO2 levels, we need to put some of the CO2 back into the soil where it originally came from" explains Professor Susan Stipp from DTU.

She is therefore in the process of developing a technology that will capture CO2 in flue gas from, for example manufacturing companies and incinerators, and convert it into solids. At the same time, the technology must prevent large amounts of rock wool from, for example, insulation of buildings from being deposited in the country's landfills. It is not possible to burn rock wool, which is therefore stored in approved landfill facilities.

You can read the full article here.

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