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Indian Institute of Technology (IIT) Roorkee 
Continuous flow (pass-through) ultraviolet light illuminated disinfection system 
Vimal Chandra Srivastava and Navneet Kumar 
Indian Institute of Technology (IIT) Roorkee 
Application type:
Applied - 2020-07-06 
Application Number:
Applied at:
Entered by:
Indian Institute of Technology (IIT) Roorkee 
Present invention relates to development of a ‘continuous flow ultraviolet light illuminated disinfection system’ for killing microorganisms. The system consists of a UV illuminated chamber equipped with a moving conveyor, which can effectively be used for disinfecting our daily used electronic gadgets (mobiles, watches, wireless gadgets, etc.) and other accessories (wallets, keys, spectacles, arms, bags, etc.). The system also composed of inlet and outlet chambers which help in carrying the object in and out of the UVC chamber. The UV light absorbing material used in the system is metal-oxide based (TiO2, ZnO, WO3 or their combination) or non-metallic in nature. The system is used for disinfecting/sterilizing surfaces/objects made of glass, metals (steel, copper, bronze, etc.), plastic materials (acrylic, PVC, PPE material etc.), cloth (rayon, nylon, cotton), etc. Further, the system is used at different public places such as airports, hospitals, government offices, municipal corporations, etc.; and industries such as food and meat processing industries. 

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