en.Wedoany.com Reported - Swedish SaltX Technology AB and Swiss Holcim, within the framework of their joint development collaboration, have successfully and repeatedly produced Portland-quality cement clinker using a fully electric, scalable process. Holcim's cement raw meal was calcined on an industrial scale and then sintered using SaltX's newly developed electric clinker technology. The results met the established material quality requirements, confirming the proof of concept for fully electric cement production.

The calcination was carried out at SaltX's test and research center in Hofors, Sweden. The calcined material from an ongoing industrial test project was subsequently processed in SaltX's newly developed Electric Clinker Reactor (ECR), thereby eliminating the need for a traditional fossil-fueled rotary kiln. The result was Portland-quality cement clinker produced entirely using electricity.

The sintering step requires higher temperatures than calcination and is one of the most technically demanding stages in cement production, making it a key challenge in the transition to fossil-free cement. The tests demonstrate that this step can be fully electrified. Combined with a compact system design and different reactor types, electrification makes the production process more flexible and efficient. This builds on SaltX's experience in electric calcination, where the underlying technology has been validated on a large scale.

Lina Jorheden, CEO of SaltX Technology, stated: "This marks an important step forward, proving that a fully electric cement process is not only feasible but can also be implemented in an industrial setting. Achieving full electrification of both calcination and sintering is key to enabling this shift, and these results showcase a new approach to cement production."

Bengt Steinbrecher, Head of Holcim MAQER Ventures, said: "SaltX has proven that its electrification solution can produce Portland-quality clinker. This is a strong validation of its technology and an important step on the roadmap for industrial-scale expansion of future cement production." Holcim has confirmed that the cement clinker produced meets industrial standards.

These results mark a crucial step towards the planned pilot plant, and SaltX will provide further updates on the joint development between the two companies as the project progresses.

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