Separation Technologies for the Industries of the Future (1998) / Chapter Skim
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8 Glass Industry
8 Glass Industry
Pages 74-78
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From page 74... ...
The specialty glass segment produces handmade glass, tableware and ovenware, flat panel display glass, light bulbs, television tubes, fiber optics, and scientific and medical equipment. Much of this segment relies on high technology research to create new and profitable materials.
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From page 75... ...
During the melting and fining process, raw materials are melted, gaseous impurities are removed from the molten glass, and chemical reactions occur to form the final glass compound. The major separation issue for this process is air emissions.
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From page 76... ...
Fiberglass Recycling Fiberglass manufacturers can use glass cullet that has not passed inspection for the container recycling industry. Currently, between 10 and 40 percent of the raw materials used by fiberglass insulation manufacturers is recycled glass.
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From page 77... ...
Research on lower cost methods of producing pure oxygen, methods of avoiding hot spots, waste heat recovery, and pretreating technologies would reduce emissions. Better Understanding of Glass Processes According to OIT's glass industry road map, cleaner processing will require improved sensors, measurement devices, instrumentation, and control technologies.
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From page 78... ...
· more efficient and cost-effective methods for separating cutlet by color · technologies to separate ground glass particles from grinding media · techniques for the removal/dissolution of organic coating materials on glass insulation fibers to allow glass to be recycled · techniques for separating solvents from wastewater streams · techniques for separating lead frit and lead funnel glass from nonlead panel glass
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