MUMBAI, India, May 1 -- Intellectual Property India has published a patent application (202611025861 A) filed by Dr. B. R. Ambedkar National Institute Of Technology, Jalandhar, Punjab, on March 5, for 'method and system for photocatalytic degradation of methylene green dye using magnetized bafe12o19 catalyst.'
Inventor(s) include Dr. Kiran Singh; Mr. Manoj Kumar Nayak; and Ms. Vaidehi Vinodrao Deshmukh.
The application for the patent was published on May 1, under issue no. 18/2026.
According to the abstract released by the Intellectual Property India: "The present invention relates to a photocatalytic method and system for degradation of methylene green dye in an aqueous reaction medium (30) using a magnetic ferrite photocatalyst material (10) comprising magnetized BaFe12O19 under solar or visible light irradiation (40). The photocatalyst (10), having a defined ferrite composition (11) and coercive field property (12), is pre-magnetized using a magnetization unit (50) applying a magnetic field above the coercive field, thereby forming a magnetized photocatalyst state retained after field removal (60). Upon irradiation, photogenerated charge carriers are produced (70), and enhanced charge carrier separation with suppressed recombination (80) promotes increased formation of reactive oxygen species (90) within a photocatalytic degradation reaction zone (100). The magnetic nature of the photocatalyst enables separation through a magnetic recovery mechanism (110), supporting reusability and stability (120). The method allows system integration for wastewater treatment (130), providing an energy-efficient and environmentally sustainable solution."
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