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U.S. Department of Energy
Office of Scientific and Technical Information

Coke briquettes

Patent ·
OSTI ID:6470320

This patent describes a briquette suitable for use as an auxiliary fuel in a shaft furnace for melting of mineral in the manufacture of mineral wool which comprises: 30-75% by weight, based on the dry weight of the briquettes, of particles of coke fines or coal fines or both, the fines consisting essentially of particles having a particle size of from 2 to 25 mm; at least 7% by weight, based on the dry weight of the briquette, of a hydraulic binder; and at least 15% by weight, based on the dry weight of the briquette, of a fine grain oxidic mineral component selected from the group consisting of sand, slag, stone powder, fly ash, limestone powder, dolomite powder, silicon dioxide, and waste material from mineral wool manufacturer, the fine grain oxidic mineral component having a particle size of less than 2 mm.

Assignee:
Rockwool Aktiebolaget, Skovde, SE
Patent Number(s):
US 4661119
OSTI ID:
6470320
Country of Publication:
United States
Language:
English