MUMBAI, India, June 20 -- Intellectual Property India has published a patent application (202517048737 A) filed by Andritz Ag, Graz, Austria, on May 20, for 'method for the regeneration of acid.'
Inventor(s) include Brazda, Martin; Rechberger, Andreas; Baerhold, Frank; and Mitterecker, Stefan.
The application for the patent was published on June 20, under issue no. 25/2025.
According to the abstract released by the Intellectual Property India: "The invention relates to a method for obtaining or recovering acid from metal-containing solutions (13) of the acid through treatment by pyrohydrolysis of the solution and subsequent absorption and/or condensation of the gaseous acid formed in the process. The metal-containing solution (13) is fed...