Enhanced performance of alumina for the removal of low-level flu

Details Enhanced performance of alumina for the removal of low-level flu Enhanced performance of alumina for the removal of low-level flu

1990-04-23

1991-11-05

Lewis, Michael L.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Halogenous component

55 71, 423240, C01B 720, B01D 5334

Patent

active

050630350

ABSTRACT:
Low-level fluorine concentrations are removed from gases by conducting a gas stream containing fluorine over an alumina treated with chromium oxide material, thereby effectively eliminating fluorine from the gas while preventing the formation of toxic oxygen difluoride by-product.

REFERENCES:
patent: 3760565 (1973-09-01), Fish
patent: 3852406 (1974-12-01), Krauss et al.
patent: 4036940 (1977-07-01), McLane et al.

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