PROCESS FOR PRODUCING AN AMMONIUM SULFITE AND BISULFITE SOLUTION FROM AMMONIA GAS
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United States of America Patent
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Issued Date -
Apr 18, 2024
app pub date -
Sep 18, 2023
filing date -
Oct 18, 2022
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Abstract
A process for producing ammonium sulfite and ammonium bisulfite from an ammonia gas stream. The process involves injected sulfur dioxide into a circulating liquid stream to an optimal pH that captures gaseous ammonia from a gas stream. The captured ammonia reacts with sulfur dioxide and water to form the desired products.
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