MUMBAI, India, July 25 -- Intellectual Property India has published a patent application (202421004333 A) filed by Asahi Kasei Kabushiki Kaisha, Tokyo, on Jan. 22, 2024, for 'gas separation method, method for producing purified gas, and gas separation apparatus.'
Inventor(s) include Ohkubo, Atsushi; and Akaogi, Takayuki.
The application for the patent was published on July 25, under issue no. 30/2025.
According to the abstract released by the Intellectual Property India: "Provided are a gas separation method, a method for producing a purified gas, and a gas separation apparatus, in which carbon dioxide and a gaseous substance A are efficiently separated with small power. A gas separation method for separating carbon dioxide and a gaseous substance A different from carbon dioxide, from a mixed gas containing the carbon dioxide and the gaseous substance A by using an adsorption column packed with an adsorbent, the method including an adsorption step of extracting a gaseous substance A by introducing the mixed gas into the adsorption column to allow carbon dioxide to be adsorbed onto the adsorbent, and a desorption step of extracting the carbon dioxide from the adsorbent by exhausting carbon dioxide under reduced pressure from the adsorption column, in which a purity of the carbon dioxide extracted in the desorption step once is 90% by volume or more."
Disclaimer: Curated by HT Syndication.