MUMBAI, India, Aug. 12 -- Intellectual Property India has published a patent application (202521009967 A) filed by Indian Oil Corporation Limited; and Institute Of Chemical Technology on February 06, 2025, for Solvent Composition For Co2 Separation From Biogas And Process Thereof.
Inventors include Garapati, Siva Rama Krishna; Vaidya, Prakash D; Mohan, Shaurya; Upreti, Namrata; Badhe, Rajesh Muralidhar; Srivastva, Umish; and Sharma, Alok.
The application for the patent was published on August 07, 2026, under issue no. 32/2026.
Abstract: Carbon dioxide (CO2) capture is a crucial step in the upgrading of biogas. The present invention provides a solvent composition comprising sterically hindered amines mixed with organic solvent (blends of glycols and alcohols) for improved CO2-separation for biogas cleaning. Hindered amines load more CO2, whereas organic solvents desorb at low temperatures. Such blends are efficient and easily regenerable.
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