Apparatus and method for controlling an oxygen containing atmosphere in a glass manufacturing process
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United States of America Patent
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Sep 19, 2023
Grant Date -
Aug 19, 2021
app pub date -
Apr 15, 2019
filing date -
Apr 20, 2018
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Abstract
Methods for reducing the oxygen concentration in an enclosure including a platinum-containing vessel through which molten glass is flowing are disclosed. The methods include injecting hydrogen gas into an oxygen-containing atmosphere flowing between the enclosure and a reaction chamber. The atmosphere is heated with a heating element in the reaction chamber, whereupon oxygen in the oxygen-containing atmosphere reacts with the hydrogen. In other embodiments, the hydrogen gas and oxygen-containing atmosphere can be exposed to a catalyst comprising platinum positioned in the reaction chamber.
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