Process for the oxidation of sulfur dioxide to sulfur trioxide

Details Process for the oxidation of sulfur dioxide to sulfur trioxide Process for the oxidation of sulfur dioxide to sulfur trioxide

1977-12-08

1978-11-07

Thomas, Earl C.

Chemistry of inorganic compounds

Sulfur or compound thereof

Oxygen containing

423535, C01B 1768, B01D 5334

Patent

active

041246950

ABSTRACT:
A process for the oxidation of sulphur dioxide to sulfur trioxide in the presence of elemental nitrogen with minimal oxidation thereof which comprises combining the sulfur dioxide with a predetermined amount of oxygen containing gas to give at least 1% stoichiometric excess of oxygen for the oxidation of sulfur dioxide to sulfur trioxide and passing the resulting mixture over a ceramic catalyst of the following empirical formula at a temperature between about 120.degree. C and about 800.degree.;

REFERENCES:
patent: 1018402 (1912-02-01), Albert
patent: 1227044 (1917-05-01), Ellis
patent: 1900751 (1933-03-01), Baehr
patent: 3885020 (1975-05-01), Whelan
patent: 3926854 (1975-12-01), Whelan et al.
patent: 4080433 (1978-03-01), Whelan

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