MUMBAI, India, June 24 -- Intellectual Property India has published a patent application (202411091094 A) filed by Nitto Denko Corporation; and Hydranautics on November 22, 2024, for Method For Reproducing Membrane Element And Membrane Module.
Inventors include Yasuhiro Uda; Satoru Ishihara; Takashi Kamada; Ravindra Yeleswarapu; and Sachin Shivaji Pawar.
The application for the patent was published on June 12, 2026, under issue no. 24/2026.
Abstract: Provided are a method for reproducing a membrane element, which does not need to change the structure of a membrane element to be reproduced, can reduce waste caused by used membrane elements and save resources to be introduced, and can restore a separation function, and a membrane module using the resulting reproduced membrane element. A method for reproducing a membrane element for producing a reproduced membrane element using a part of a used membrane element, the method comprising the steps of: cutting off at least both-side sealing parts of the used membrane element; unfolding membrane leaves after cut-off and cutting off at least a peripheral-side sealing part of the membrane leaves; replacing at least separation membranes of the membrane leaves after unfolding and cutoff with new separation membranes; and obtaining a reproduced membrane element by forming both-side sealing parts and a peripheral-side sealing part that seal bothside ends and a peripheral-side end in an axial direction of the membrane leaves after replacement.
Disclaimer: Curated by HT Syndication.
