MUMBAI, India, Jan. 8 -- Intellectual Property India has published a patent application (202511104983 A) filed by Delhi Technological University, New Delhi, on Oct. 30, 2025, for 'photothermal absorber device using sweet lime peel-based biochar for solar water evaporation applications.'
Inventor(s) include Karothiya, Krishna Kumar; K., Manjunath; and Mishra, R. S.
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 invention relates to a photothermal absorber device for interfacial solar water evaporation utilizing biochar derived from sweet lime peel waste. The biochar is obtained by carbonizing sun-dried sweet lime peel waste at 354 C to 437 C, followed by grinding and sieving to obtain a uniform porous material exhibiting high solar absorption. The biochar powder is mixed with a binder and distilled water to form a coating mixture applied to the foam substrate to obtain the photothermal absorber device. The device demonstrates enhanced solar-thermal conversion efficiency and high water evaporation rate under one-sun (1 kW/m) solar irradiation. The invention provides an eco-friendly, low-cost, and scalable solution for solar-driven water purification and desalination using renewable biomass waste."
Disclaimer: Curated by HT Syndication.
