Metso Corporation’s press release on September 10, 2025 at 3 p.m. EEST

Metso has inaugurated its Circored™ pre-reduction pilot plant in Frankfurt, Germany. The investment reflects Metso’s commitment to advancing low-carbon technologies and supporting the global transition to fossil-free steelmaking.

The Circored™ pilot plant, which is based on Metso’s proprietary technology, enables continuous pre-reduction using hydrogen as the sole reducing agent. It integrates pre-heating, reduction, gas cleaning, and recirculation systems for hydrogen and dust, and features electric heaters to support nearly zero-carbon operation.

“This pilot plant is a significant step in demonstrating the readiness of the Circored™ technology,” says Parizat Pandey, Director, Direct Reduced Iron (DRI) at Metso. “It

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