Organo has patented a method for producing ultrapure water by treating raw material water containing metal impurities using an ion exchanger-filled module with a monolithic organic porous anion exchanger. The process ensures removal of impurities like B, As, Al, Ti, Cr, Fe, Cu, Zn, Sn, V, Ga, and Pb. GlobalData’s report on Organo gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Organo, was a key innovation area identified from patents. Organo's grant share as of February 2024 was 14%. Grant share is based on the ratio of number of grants to total number of patents.
Method for producing ultrapure water using ion exchanger-filled module
The granted patent (Publication Number: US11897790B2) discloses a method for producing ultrapure water by treating raw material water containing metal impurities with an ion exchanger-filled module filled with a monolithic organic porous anion exchanger. The raw material water is passed through the module at a specific water passing speed to remove the metal impurities and produce ultrapure water for supply to a use point. The method aims to efficiently remove impurities such as B, As, Al, Ti, Cr, Fe, Cu, Zn, Sn, V, Ga, and Pb from the raw material water to ensure the production of high-quality ultrapure water.
Furthermore, the patent details the use of washing water from semiconductor production processes as raw material water for ultrapure water production, emphasizing the importance of recycling and reusing water resources in industrial applications. The monolithic organic porous anion exchanger utilized in the method is described to have specific structural characteristics, including anion exchange capacity, pore volume, and distribution of anion exchange groups. Additionally, the ion exchanger-filled module may also include a cation exchanger in conjunction with the monolithic organic porous anion exchanger to enhance the purification process. Overall, the method outlined in the patent offers a comprehensive approach to producing ultrapure water by effectively removing metal impurities and ensuring the quality of water supplied to various industrial processes and applications.
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