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Indian scientists have unveiled a sunlight-driven nano-reactor designed to treat toxic wastewater, including pharmaceutical residues and heavy metals. This device, recently patented in India and the UK, operates without chemicals or electricity at normal temperature and pressure, providing a low-cost, energy-efficient solution.

It works by breaking down hazardous pollutants into harmless substances like water and carbon dioxide. Developed by teams from the Inter-University Accelerator Centre (IUAC), the University of Allahabad, and the Central Institute of Tibetan Studies, this innovation addresses critical challenges in wastewater management, particularly in metropolitan areas. The technology aims to reduce contamination of rivers and groundwater from industrial and hospital waste.