MUMBAI, India, Feb. 13 -- Intellectual Property India has published a patent application (202611001396 A) filed by Dr. Simerjit Kaur, Mohali, Punjab, on Jan. 6, for 'myco-biosorbent pellets for selective recovery of heavy metals and rare-earths from e-waste and method thereof.'

Inventor(s) include Dr. Simerjit Kaur.

The application for the patent was published on Feb. 13, under issue no. 07/2026.

According to the abstract released by the Intellectual Property India: "The present disclosure relates to myco biosorbent pellets developed for the selective recovery of heavy metals and rare earth elements from e waste leachates. The pellets are prepared using non-viable fungal biomass of Aspergillus niger and Mucor species combined with a carrier matrix such as coir pith, biochar, alginate, or starch to provide structural stability and consistent adsorption performance. The process includes cultivation and inactivation of the biomass, followed by mixing, pellet formation, and controlled drying. The pellets act through ion exchange, complexation, and chelation and show differential affinity toward metal ions, thereby supporting staged or sequential recovery of rare earth elements and heavy metals in batch and continuous systems. The method operates under defined pH, temperature, and dosage conditions and allows regeneration of the pellets using mild acids or chelating agents. The system offers a sustainable and reproducible approach for recovering valuable and toxic metals from e waste leachates."

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