C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
23/110, 23/119
C01B 17/69 (2006.01) C01B 17/74 (2006.01)
Patent
CA 1125476
ABSTRACT OF THE DISCLOSURE Sulfur is burned in oxygen at high temperatures and high pressures without the use of a catalyst. The product gas, i.e., SO3, SO2 and O2, is condensed to separate part of the SO2 and O2 and then distilled to separate the remainder and produce SO3 and/or oleum and sulfuric acid. The SO2 and O2 from the separator and still are recycled to the burner.
317856
Burrus Harry O.
Miller Donald N.
E. I. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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