MUMBAI, India, April 25 -- Intellectual Property India has published a patent application (202517018009 A) filed by Metso Metals Oy, Espoo, Finland, on Feb. 28, for 'fluidized bed calcination with gas mixture comprising hydrogen.'

Inventor(s) include Gasafi, Edgar; and Maduta, Robert.

The application for the patent was published on April 25, under issue no. 17/2025.

According to the abstract released by the Intellectual Property India: "A circulating fluidized bed (CFB) furnace (3) for heating and/or calcination of a material, wherein a hydrogen-enriched gas mixture (1) is used as fuel for the calcination process is disclosed. A process for calcination of a material, wherein a hydrogen-enriched gas mixture (1) is used as fuel for the cal...