MUMBAI, India, March 13 -- Intellectual Property India has published a patent application (202631027525 A) filed by Rahul Kumar Chaudhary; Km Jyoti Mishra; Rupali Vivek Parekar; Sanjiv Gandhi; Aafreen Khan; and Dr. Naveen Kr. Singh, Sitamarhi, Bihar, on March 9, for 'a system and method for household arsenic removal from drinking water.'
Inventor(s) include Rahul Kumar Chaudhary; Km Jyoti Mishra; Rupali Vivek Parekar; Sanjiv Gandhi; Aafreen Khan; and Dr. Naveen Kr. Singh.
The application for the patent was published on March 13, under issue no. 11/2026.
According to the abstract released by the Intellectual Property India: "The present invention relates to a system and method for removal of arsenic from household drinking water using a gravity-based multi-stage filtration assembly. The system comprises a raw water inlet chamber, a sediment pre-filtration unit for removal of suspended impurities, an oxidation chamber configured to convert arsenite (As III) into arsenate (As V), an arsenic-selective adsorption cartridge containing iron-based media for effective removal of arsenic ions, an activated carbon polishing unit for improving taste and odor, and a treated water storage chamber for dispensing purified water. The system operates without electricity, requires minimal maintenance through a modular replaceable cartridge design, and is particularly suitable for rural and semi-urban regions affected by groundwater arsenic contamination."
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