Glass manufacturing – Processes – Fining or homogenizing molten glass
Patent
1989-06-23
1990-07-31
Lindsay, Robert L.
Glass manufacturing
Processes
Fining or homogenizing molten glass
65 27, 422168, 501155, C03B 504
Patent
active
049447858
ABSTRACT:
Waste substance such as incineration ash is mixed with cullet and alkaline earth salt to form a mixed batch which is added to a glass melt heated solely by electrodes, producing an exhaust gas which is introduced into the batch thereby cooling the gas to produce condensation products. The alkaline earth salt reacts with alkali in the gas and the condensation products to produce a gall layer of alkali salts and alkaline earth salts which serve as a melt accelerator and are readily removed when accumulated. According to a further step the gas is purified by separating dust therefrom and introducing it into the batch as a slurry.
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Merlet Heinz
Pieper Helmut
Sorg Helmut
Zschocher Hartmut
Lindsay Robert L.
Metallgesellschaft AG
Sorg GmbH & Co. KG
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