A METHOD FOR SUPPLYING OXYGEN-ENRICHED GAS TO AN OXYGEN-CONSUMING PROCESS
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United States of America Patent
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Mar 2, 2023
app pub date -
Feb 5, 2021
filing date -
Feb 6, 2020
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Abstract
In a method for supplying oxygen-enriched gas to an oxygen consuming process, in which the oxygen-enriched gas with a low nitrogen content is generated by supplying an anode-side feed gas comprising CO2 to the anode side of a solid oxide electrolysis cell, oxygen is generated on the anode side of the solid oxide electrolysis cell. This way, an anode-side product gas is formed, in which the oxygen-enriched gas comprises at least a part. The oxygen-enriched gas has a low nitrogen content, and the temperature of the oxygen-enriched gas exiting the solid oxide electrolysis cell is between 600 and 1000° C. The method has multiple advantages, first of all as regards energy saving.
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