Treating gas with catalytic dust in panel bed

Details Treating gas with catalytic dust in panel bed Treating gas with catalytic dust in panel bed

1974-09-19

1976-05-18

Vertiz, Oscar R.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Sulfur or sulfur containing component

55 98, 423574R, C01B 1700, B01J 800

Patent

active

039579530

ABSTRACT:
A panel bed fitted for puffback cleaning is provided with an arrangement for supplying a precoat surface layer deposit of a fine catalytic particulate medium, significantly finer in size than the granular material charged to the panel bed, at each gas entry surface of the panel. The modified panel bed is advantageous for converting sulfur dioxide and oxygen present in combustion products of a fuel containing sulfur to sulfur trioxide, which may then advantageously be absorbed by limestone particles charged to the panel bed. Particles at least partially converted to calcium sulfate would be removed from the panel bed periodically by puffback for their disposal. Sulfur dioxide may also be converted to elemental sulfur by catalytic reactions and adsorbed on activated carbon in the panel bed.

REFERENCES:
patent: 3296775 (1967-01-01), Squires
patent: 3637352 (1972-01-01), Bratzler et al.
patent: 3781408 (1973-12-01), Lin

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