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audi-partners-with-climeworks-on-dac-project
audi-partners-with-climeworks-on-dac-project

Audi partners with Climeworks on DAC project

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Last month, gasworld reported that Swiss direct air capture (DAC) company Climeworks said it will construct a new plant in Iceland that will be able to permanently remove 4,000 tonnes of CO2 from the air per year.

Today, in the project’s latest development, German vehicle manufacturer Audi has said it is partnering with the environmental-start up and will promote a future technology with the project.

The Icelandic facility draws in air and feeds it into the CO2 collector, which contains a selective filter material that uses an adsorbent to bind the CO2 in the air. When the filter is saturated with CO2, it is heated to 100°C using water from nearby geothermal plants to release the CO2 molecules.

Water from the plant then flows through the facility and transports the CO2 roughly 2,000 meters underground. The CO2 molecules react through natural mineralisation processes with the basalt rock and are converted to carbonates over a period of several years.

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