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Novel physical adsorption (silica or organic-based)


Technology Description

This technology involves a new structured adsorbent, which has a large surface area and can catch and release CO2 at very rapid rates (60 seconds, compared to hours for other technologies). The adsorbents are made from new classes of materials such as functionalised-silica or metal-organic frameworks. Among its various applications, it can be applied to kilns, the main unit producing clinker for cement production.

Relevance for Net Zero

CO2 capture and storage is a key technology to reduce otherwise difficult to avoid process emissions from cement production. Chemical absorption and calcium looping are currently more advanced (given experience in the power sector in the case of chemical absorption); however, novel physical adsorption technologies have potential to play a role if further development and cost reductions are successful.

Key Countries

Canada, United States, United Kingdom

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