C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 3/18 (2006.01) G05D 7/00 (2006.01)
Patent
CA 2628125
A process of bioleaching a sulphide mineral slurry in a reactor which is controlled by varying the rate of supply of sparging gas to the reactor, and the energy supplied to a motor-driven agitator in the reactor, in response to the measured or inferred oxygen demand of the slurry.
Selon l'invention, un processus de biolixiviation d'une boue minérale sulfurée dans un réacteur est régulé par la variation de la vitesse de d'alimentation en gaz de barbotage du réacteur et de l'énergie acheminée vers un agitateur entraîné par moteur dans le réacteur, en réponse au besoin d'oxygène mesuré ou supposé de la boue.
Bhp Billiton Sa Limited
Oyen Wiggs Green & Mutala Llp
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