MUMBAI, India, Sept. 12 -- Intellectual Property India has published a patent application (202421015997 A) filed by Hindalco Industries Limited, Maharashtra, on March 6, 2024, for 'a process for reusing ground sand in the production of alumina.'
Inventor(s) include Sagar Subhash Pandit; and Vikramkumar B Usulkar.
The application for the patent was published on Sept. 12, under issue no. 37/2025.
According to the abstract released by the Intellectual Property India: "The present invention relates to a process for reusing ground sand in the production of alumina, the process comprising adding ground sand to bauxite during pre-desilication to form a feed slurry at temperature in a range from 78 C to 79 C for recovering residual gibbsite and ...