MUMBAI, India, Nov. 14 -- Intellectual Property India has published a patent application (202517095305 A) filed by Publichnoe Aktsionernoe Obshchestvo Novatek, Tarko-Sale, Russia, on Oct. 3, for 'method for producing low-carbon hydrogen from ammonia through ammonia cracking "ammonia cracking technology-3000" and a plant for its implementation.'
Inventor(s) include Rudenko, Sergei Vladimirovich; Fedoseev, Pavel Olegovich; Raziapov, Timir Emilievich; Tsepkov, Aleksei Ivanovich; Sedavnykh, Dmitrii Nikolaevich; and Nikulin, Stanislav Aleksandrovich.
The application for the patent was published on Nov. 14, under issue no. 46/2025.
According to the abstract released by the Intellectual Property India: "Claimed are a method for producing hydrogen from ammonia and a plant for the implementation thereof. Liquid ammonia feedstock is heated, evaporated and superheated in a coil of a heat-reclaiming module. The gaseous ammonia feedstock is fed into an ammonia cracking reactor, the obtained nitrogen-hydrogen mixture is cooled in an air-cooling unit, and hydrogen is recovered. Liquid ammonia fuel is heated, evaporated and superheated. The gaseous ammonia fuel is mixed with the vent gases produced during the recovery of hydrogen, and the obtained fuel gas is fed together with heated air into the ammonia cracking reactor. The evaporation and superheating of the ammonia feedstock and the ammonia fuel are carried out in recuperative heat exchangers. An outlet for the flue gases of the ammonia cracking reactor is connected to the heat-reclaiming module. Arranged in series inside the heat-reclaiming module are coils for heating gaseous ammonia, fuel gas, air, a heat transfer agent, and liquid ammonia. The pressure of the flue gases is increased, the flue gases are cooled, and condensed distilled water is recovered in a separator, with the dewatered flue gases being released into the atmosphere. The invention makes it possible to increase the efficiency of low-carbon hydrogen production and to obtain an additional product in the form of distilled water."
The patent application was internationally filed on Jan. 12, 2024, under International application No.PCT/RU2024/000008.
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