MUMBAI, India, Feb. 6 -- Intellectual Property India has published a patent application (202541120532 A) filed by Nandha Engineering College, Erode, Tamil Nadu, on Dec. 2, 2025, for 'a bio-composite multi-layer filtration medium for water purification.'
Inventor(s) include S. Vanisha; P. Revathipriya; A. Sasmitha; and P. Prithvika.
The application for the patent was published on Feb. 6, under issue no. 06/2026.
According to the abstract released by the Intellectual Property India: "Irrigation systems in agricultural fields frequently rely on water sources that contain suspended solids, organic matter, and fine sediments. These contaminants accumulate within drip and sprinkler emitters, causing clogging, reduced discharge, and uneven water distribution. Such inefficiencies ultimately affect crop growth, increase operational costs, and reduce the overall performance of irrigation networks. Addressing this issue requires a low-cost, chemical-free, and sustainable water treatment solution that can be deployed directly at the farm level. This innovation presents an eco-friendly, multifunctional cylindrical filtration system designed to treat low-quality irrigation water using only natural, biodegradable, and locally available materials. The system is engineered with a series of filtration layers including stones, rice husk ash, moringa seed powder, neem powder, activated charcoal, sand, cotton, and cloth. Each layer is purposefully selected for its specific functional role: stones enable coarse filtration; moringa and neem provide natural coagulation and antimicrobial activity; charcoal offers adsorption of impurities and odors; sand and ash reduce turbidity; and cotton delivers the final polishing to ensure uniform water clarity. The integrated performance of these natural materials provides effective removal of physical, chemical, and biological contaminants without the need for synthetic chemicals or advanced equipment. By converting agricultural by-products such as rice husk and moringa seeds into high-value filtration media, the system promotes circular-resource utilization and cost efficiency. This innovation enhances irrigation efficiency by minimizing emitter blockage, ensuring uniform water distribution, and supporting long-term sustainability in rural and farm-level water management. It serves as a practical, scalable, and environmentally responsible solution for improving the quality of irrigation water in resource-constrained agricultural settings."
Disclaimer: Curated by HT Syndication.
