MUMBAI, India, Aug. 22 -- Intellectual Property India has published a patent application (202517073051 A) filed by Basf Se, Ludwigshafen am Rhein, Germany, on July 31, for 'process for removing carbon dioxide from a liquid aqueous stream.'

Inventor(s) include Sieder, Georg; Schwaben, Jonas; Luyken, Hermann; and Koch, Walter.

The application for the patent was published on Aug. 22, under issue no. 34/2025.

According to the abstract released by the Intellectual Property India: "A process for removing carbon dioxide from a liquid aqueous stream comprising at least one hexane-1,6-diamine species which comprises at least one carbon dioxide derivative of hexane-1,6-diamine, the process comprising providing the liquid aqueous stream exhibiting a carbon dioxide loading cL1, wherein 0.5 = cL1 = 2.5, wherein the liquid aqueous stream L1 to be subjected to heating according to (ii) has a temperature TL1 T according to (ii); and heating the liquid aqueous stream to a temperature T = 90 C at a pressure p = 0.5 bar(abs), obtaining a vapor stream V comprising carbon dioxide, and obtaining a liquid aqueous stream L2 exhibiting a carbon dioxide loading cL2, wherein cL2 = 0.1."

The patent application was internationally filed on Jan. 03, 2024, under International application No.PCT/EP2024/050095.

Disclaimer: Curated by HT Syndication.