MUMBAI, India, July 5 -- Intellectual Property India has published a patent application (202517059214 A) filed by Rio Tinto Alcan International Limited, Montreal, on June 20, for 'calcination apparatus and process.'
Inventor(s) include Reid Michael; Savard Veronique; and Tysoe Stephen.
The application for the patent was published on July 4, under issue no. 27/2025.
According to the abstract released by the Intellectual Property India: "A process for calcining aluminium trihydrate (Al2O3.3H2O) to form alumina (Al2O3) replaces at least a part of a natural gas energy source for generating heat for use in a calciner with an electrical energy source. The process may comprise using at least one electrically heated fluidized bed reactor for cal...