Methods for improving the hf capture efficiency of dry...

Details Methods for improving the hf capture efficiency of dry... Methods for improving the hf capture efficiency of dry...

C - Chemistry, Metallurgy

25

C

C25C 3/22 (2006.01) B01D 53/68 (2006.01)

Patent

CA 2661752

Methods of reducing fluoride emissions from aluminum smelters via the use of alumina-based dry scrubbers are disclosed. The feed rate of aluminum to the alumina-based dry scrubbers may be varied to increase fluoride gas capture efficiency.

La présente invention concerne des procédés de réduction d'émissions de fluorure à partir d'alumineries grâce à l'utilisation d'épurateurs à sec à base d'alumine. Le taux d'alimentation d'aluminium aux épurateurs à sec à base d'alumine peut être varié pour accroître l'efficacité de capture de gaz fluorés.

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