Method for producing a glass
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United States of America Patent
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Mar 28, 2006
Grant Date -
May 1, 2003
app pub date -
Jun 4, 2002
filing date -
Dec 6, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Glass produced on basis of a raw material in form of a mixture of mainly mineral-containing components comprising sludge from e.g. purification plants and waste products from the industry, and having a determined chemical composition adjusted on basis of knowledge of the chemical composition of the mineral-containing components forming part of the glass. The glass is produced from the raw material which after mineralization is pressed into briquettes that are hardened and subsequently melted in e.g. a blast furnace under oxygen supply, and where the melt is quenched and dried. Large amounts of waste products and waste substances that are normally deposited either treated or untreated can be reused and utilized at production of the glass.
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