MUMBAI, India, Oct. 11 -- Intellectual Property India has published a patent application (202517091458 A) filed by Ermafa Environmental Technologies Gmbh, Wien, Austria, on Sept. 24, for 'method for extracting valuable substances from a bauxite residue.'
Inventor(s) include Kapaun, Wolfgang.
The application for the patent was published on Oct. 10, under issue no. 41/2025.
According to the abstract released by the Intellectual Property India: "The present invention relates to a method for extracting valuable substances from a bauxite residue, the method comprising the following steps: a) providing an aqueous suspension of the bauxite residue; b) adjusting the pH of the aqueous suspension to a value between 7.2 and 12.2; c) at least partia...