MUMBAI, India, May 29 -- Intellectual Property India has published a patent application (202641063498 A) filed by M. Kumarasamy College Of Engineering, Karur, Tamil Nadu, on May 20, for 'a system for biochar hydrogel composite formation and subsurface injection.'
Inventor(s) include Dr. V. Banupriya; Mrs. M. Shobana; Sahanaa V; Priyadharshini S; Maithili R G; and Subhiksha S.
The application for the patent was published on May 29, under issue no. 22/2026.
According to the abstract released by the Intellectual Property India: "The present invention relates to an integrated HydroChar system for converting agricultural biomass residues into a water-retentive biochar-hydrogel composite and for controlled subsurface delivery of the composite into the root zone of plants. The system comprises a residue feeding unit, a pyrolysis chamber configured to convert biomass into biochar under limited oxygen conditions, a formulation unit for combining the biochar with hydrogel material to form a composite HydroChar, and a storage chamber for holding the composite in pelletized form. A precision injection mechanism is provided, comprising a dual-stage auger assembly configured for simultaneous soil penetration and conveyance of the composite through a central channel, along with a rotating chamber metering mechanism for regulated and uniform dosing. The composite is formed into pellets having a biochar outer matrix encapsulating a hydrogel core, enabling efficient water absorption, retention, and gradual release within the soil. The system facilitates targeted placement of the composite within the root zone, thereby improving soil moisture retention, enhancing nutrient availability, reducing irrigation requirements, and increasing crop productivity under water-limited conditions."
Disclaimer: Curated by HT Syndication.
