The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 20, 2026
Filed:
Sep. 24, 2021
Yara International Asa, Oslo, NO;
Udaypal Singh, Babrala, IN;
YARA INTERNATIONAL ASA, Oslo, NO;
Abstract
A method for heating a feed of natural gas, used as feed for a steam reformer of an ammonia production system, wherein the system comprises a steam reformer, operably connected to a heat recovery unit comprising at least two heating coils maintained at a different temperature, wherein the feed of natural gas passes through the at least two heating coils, the method comprising: a) recovering heat in the heat recovery unit from the ammonia production system and b) exchanging at least part of the heat recovered in step a) with at least a portion of the feed of natural gas, thereby obtaining a heated feed of natural gas, wherein the feed of natural gas does not comprise steam.
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