MUMBAI, India, Sept. 5 -- Intellectual Property India has published a patent application (202441011154 A) filed by Waterwala Labs Private Limited, Bangalore, Karnataka, on Feb. 17, 2024, for 'a system and method for descaling reverse osmosis membranes and to achieve high recovery using electrochemical / two stage antiscalant treated reject water.'
Inventor(s) include S Muralidhara Rao; TNVV Rao; S K Sankar; and M. Vijender Reddy.
The application for the patent was published on Sept. 5, under issue no. 36/2025.
According to the abstract released by the Intellectual Property India: "A System and Method for Descaling Reverse Osmosis Membranes and to achieve High Recovery Using Electrochemical / Two Stage Antiscalant Treated Reject Water The present disclosure proposes a system (100) to achieve high recovery in the RO system by incorporating the electrochemical treatment/two stage antiscalant system, thereby reusing the partial reject water by removing the excess mineral impurities from the filtered concentrate effluent stream. The system (100) for descaling reverse osmosis membranes comprises a filtering unit (102), a first antiscalnt unit (106), a pre-carbon filtration unit (110), a second antiscalant unit (112), a reverse osmosis (RO) filtration unit (114), a post-carbon filtration unit (116), and a storage unit (118). The system (100) increases the recovery rate of RO systems is increased to at least 53 %. The system (100) reduces water wastage from the RO purifiers by at least 50%, thereby minimizing environmental impact and conserving precious water resources. The system (100) develops an efficient and cost-effective method for descaling RO membranes using an electrochemical/two stage antiscalant process, thereby promoting responsible water management."
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