Taiwan Power has been granted a patent for a method to regenerate deactivated denitration catalysts. The process involves using a washing fluid with water and carbon dioxide bubbles, not air, to treat the catalyst. An apparatus for this regeneration is also provided. GlobalData’s report on Taiwan Power 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 Taiwan Power, Smart grids was a key innovation area identified from patents. Taiwan Power's grant share as of February 2024 was 86%. Grant share is based on the ratio of number of grants to total number of patents.
Regenerating deactivated denitration catalyst using water and carbon dioxide
A recently granted patent (Publication Number: US11883812B2) discloses a method for regenerating a deactivated denitration catalyst. The method involves preparing a washing fluid consisting of a water-containing liquid and carbon dioxide bubbles, and subjecting the deactivated catalyst to treatment with this fluid. The unique aspect of the process lies in the preparation of the washing fluid by mixing the water-containing liquid with carbon dioxide gas, excluding air.
In addition to the preparation method, the patent claims specify further details such as subjecting the mixture to a specific pressure range to control the size of carbon dioxide bubbles, the inclusion of various active materials like vanadium salts in the water-containing liquid, and the concentration range of these materials. Furthermore, the method also involves an ultrasonic treatment of the deactivated catalyst during the washing process. These specific steps outlined in the patent aim to efficiently regenerate a deactivated denitration catalyst, highlighting the innovative approach taken in the field of catalyst regeneration.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
