MUMBAI, India, Jan. 9 -- Intellectual Property India has published a patent application (202521036578 A) filed by Dr. Ankita Ajay Yadav; Prof. Anand Vinayak Patwardhan; Prof. Ravindra Vithal Adivarekar; and Institute Of Chemical Technology, Maharashtra, on April 15, 2025, for 'cellulose based adsorbent for the treatment of dye-related effluent.'
Inventor(s) include Dr. Ankita Ajay Yadav; Prof. Anand Vinayak Patwardhan; and Prof. Ravindra Vithal Adivarekar.
The application for the patent was published on Dec. 12, under issue no. 50/2025.
According to the abstract released by the Intellectual Property India: "The present disclosure relates to the cellulose-based adsorbents for dye-containing effluents. A cellulose-based adsorbent was successfully synthesized using orthophosphoric acid as a chemical activating agent followed by pyrolysis. The obtained material has a porosity of 1.87 nm, a total pore volume of 0.58 cm3/g and surface area of 1240 m2/g. Under the optimum condition of a pH range of 6-7, a temperature of 50 C, the material shows 91.6% removal of RB19 dye within 18.5 minutes. The cellulose-based adsorbents (CBA) are compatible for the adsorption of both cationic and anionic dyes based on their physicochemical properties."
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