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公开(公告)号：US11760678B2
公开(公告)日：2023-09-19
申请号：US17048852
申请日：2019-04-15
Applicant: CORNING INCORPORATED
CPC classification number: C03B5/225 , C03B5/1675 , C03B7/005
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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公开(公告)号：US20210253465A1
公开(公告)日：2021-08-19
申请号：US17048852
申请日：2019-04-15
Applicant: CORNING INCORPORATED
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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