DUAL PRESSURE SYSTEM FOR PRODUCING NITRIC ACID AND METHOD OF OPERATING THEREOF
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United States of America Patent
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Oct 17, 2024
app pub date -
Aug 25, 2022
filing date -
Aug 25, 2022
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A production plant for producing nitric acid at reduced power, the system being derived from a state-of-the art dual pressure nitric acid plant wherein the system further includes a first feature for splitting a tail gas stream into a first tail gas stream in fluid communication with compressed air and with an oxygen-rich gas and a second tail gas stream, and/or a feature for splitting a tail gas stream into a third tail gas stream in fluid communication with compressed air and with an oxygen-rich gas and a fourth tail gas stream. The production plant allows for reduction of power by the air compressor. A method for operating the system, the use of the system for performing the method, and a method for revamping a state-of-the-art dual pressure nitric acid plant into the system.
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