MUMBAI, India, April 10 -- Intellectual Property India has published a patent application (202647036188 A) filed by Casale Sa, Lugano, Switzerland, on March 25, for 'production of ammonia make-up syngas with cryogenic purification.'

Inventor(s) include Filippi, Ermanno; Zardi, Riccardo Umberto; and Ostuni, Raffaele.

The application for the patent was published on April 10, under issue no. 15/2026.

According to the abstract released by the Intellectual Property India: "A process and plant (1) for producing high-purity hydrogen (10). Such process comprises steps of: (I) reforming (2) a desulphurized hydrocarbon feedstock (3) in presence of steam (4) to obtain a raw syngas (5); (II) subjecting said raw syngas (5) to CO shift (6), carbon dioxide removal (7), methanation (8) and steam condensation (9, 11) to obtain a modified syngas (12); (III) treating the modified syngas (12) in a cryogenic purification section (13) to obtain said high-purity hydrogen (10) and a methane-containing tail stream (14); wherein net refrigeration of said cryogenic purification section (13) is at least partially provided by an expansion (19) of a compressed nitrogen-rich gas (15) generated by an air separation unit (16)."

The patent application was internationally filed on Aug. 27, 2024, under International application No.PCT/EP2024/073881.

Disclaimer: Curated by HT Syndication.