Aberdeen Carbon Capture Machine reaches semi-finals of $20m global CCS competition

Dr. Mohammed Imbabi
Dr. Mohammed Imbabi

Plans to develop technology that converts CO2 into building materials have been given a major boost with Aberdeen University becoming one of only two European universities to reach the semi-finals of a global competition.

The NRG COSIA Carbon XPRIZE, which is designed to address CO2 emissions from fossil fuels, offers a $20 million prize to the winners to help fund the development and commercialisation of technologies that convert carbon dioxide into valuable products.

The Aberdeen team – named the Carbon Capture Machine – is the only participant to develop technology that is capable of capturing carbon and turning it into valuable carbon-negative industry feedstocks and building materials for use in large-scale construction projects.

While in the early stages of development, the potential for the technology is huge if deployed to capture carbon from industrial chimneys and other sources, which is the ambition of those behind the project.

Not only could it provide sustainable materials for use in construction projects worldwide – as well as a whole host of other uses – but it could also cut global COemissions.

The team’s progression in the Carbon XPRIZE gives them the go-ahead to continue perfecting the technology, which Dr Mohammed Imbabi from the School of Engineering and Emeritus Professor Fred Glasser, Chair in Chemistry, have conceived and developed over several years.

Dr Imbabi said: “The technology we have developed here in Aberdeen offers a bridge to a solution that can prevent damage caused by CO2 emissions and create high value, sustainable industry feedstocks and materials to build the homes and offices of the future.

“Our progression to the semi-finals of the Carbon XPRIZE is a huge vote of confidence in the potential for our technology, which has also attracted interest from major industrial firms.

“Our next goal as we work towards reaching the Carbon XPRIZE finals is to develop a prototype carbon capture machine capable of handling a higher volume of carbon emissions, which we aim to do here in Aberdeen with the help of our industry partners Graham, LafargeHolcim and Omya.

“We offer a versatile, scalable mineralisation technology that profitably converts CO2 emissions from fossil fuel combustion into valuable products. Modular Carbon Capture Machines (CCMs) will be developed, tested and demonstrated to efficiently combine CO2from stack emissions, an alkali base and formation or produced water (or other) brines containing Ca and Mg (the inputs), to produce valuable solid carbonate feedstocks, and products from those feedstocks (the outputs)”

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