Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

Production of blast furnace coke via novel briquetting system

Patent ·
OSTI ID:6553344
A method of making high strength coke briquettes suitable for use as blast furnace coke comprising, (A) providing coal, (B) heating the coal at a temperature at or above the softening point of the coal to form partially carbonized char, (C) cooling the partially carbonized char below the softening point of the coal, (D) mixing the cooled partially carbonized char and tar to form a mixture of tar and partially carbonized char, (E) briquetting the mixture of tar and partially carbonized char to form briquettes of tar and partially carbonized char, (F) calcinating the briquettes to form high strength briquettes.
Assignee:
Conoco Inc
Patent Number(s):
US 4362532
OSTI ID:
6553344
Country of Publication:
United States
Language:
English