Integrated process for thermal cracking of heavy oil and reduction of iron ores
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United States of America Patent
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Jun 15, 1982
Grant Date -
N/A
app pub date -
Apr 8, 1980
filing date -
Apr 11, 1979
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Vacuum distillation residue oil having a Conradson carbon value of 5 to 40% and a specific gravity of 0.9 to 1.10 is thermally cracked in the presence of iron ore particles in fluidized state in a thermal cracking reactor thereby to produce light oils and cracked gases and to form by-product carbon, which is caused to deposit on the iron ore particles, which are then transferred to and heated at 800.degree. C. to 1200.degree. C. in a reducing furnace to be reduced in a solid state reaction, into sponge iron. Thus, heavy oil is thermally cracked and sponge iron is produced by an economical, integrated process.
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