Process for the purification of gaseous effluents

Details Process for the purification of gaseous effluents Process for the purification of gaseous effluents

1973-05-25

1976-03-30

Vertiz, Oscar R.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Sulfur or sulfur containing component

423522, C01B 1700

Patent

active

039475468

ABSTRACT:
There is described a process for the purification of gaseous effluents containing oxides of sulphur before discharge of the gaseous effluent into the atmosphere.
The process is carried out in at least two separate stages of oxidation using ozonised oxygen in the presence of a catalytic quantity of an ion of a transition metal and in a manner such that the ozonised oxygen does not contact the gaseous effluent. The ozone is generally employed in the proportion of one mole of ozone to 15 to 20 moles of impurity to be oxidised.

REFERENCES:
patent: 1279110 (1918-09-01), Haslup
patent: 2021936 (1935-11-01), Johnstone
patent: 2926999 (1970-03-01), Tarbutton et al.
patent: 3330649 (1967-07-01), Welsh
patent: 3574562 (1971-04-01), Kawahata
patent: 3745751 (1973-07-01), Zey
patent: 3836630 (1974-09-01), Noguchi et al.

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