C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 1/10 (2006.01) C22B 1/02 (2006.01) C22B 11/02 (2006.01) C22B 15/00 (2006.01)
Patent
CA 2263497
The present invention relates to a method for processing pyrite minerals, using a microwave energized fluidizing reactor, under temperature conditions that provide reaction products that are relatively free of SO2 emissions. The controlled temperature conditions at which the reaction products are hematite and elemental sulphur may be achieved by recirculating and cooling a portion of the outgoing fluidizing gas and by adjusting the microwave energy supplied to the fluidized bed.
La présente invention concerne un procédé de traitement de minéraux de pyrite par l'utilisation d'un réacteur de fluidisation alimenté par énergie micro-onde, à des conditions de température qui permettent d'obtenir des produits de réaction relativement exempts d'émissions de SO¿2?. Les conditions de température contrôlées auxquelles les produits de réaction deviennent hématite ou soufre élémentaire peuvent être obtenues par recyclage et refroidissement d'une partie du gaz de fluidisation sortant et par régulation de l'énergie micro-onde qui alimente le lit fluidisé.
Kruesi Paul R.
Tranquilla James M.
Emr Microwave Technology Corporation
Ridout & Maybee Llp
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