C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 3/18 (2006.01) C22B 11/00 (2006.01)
Patent
CA 2664213
The invention relates to a process for the pre-treatment of feed to a non-stirred surface heap leach bioreactor by applying in sequence first and second pre-treatment solutions to a feed to a non-stirred surface heap leach bioreactor, in which the first solution has an iron content greater than 5g/l and pH below 2, and the second solution contains a substantially higher microbial population. The invention further relates to methods of adapting a microbial population for use in a non-stirred surface heap leach bioreactor.
L'invention concerne un procédé pour le prétraitement d'alimentation vers un bioréacteur de lixiviation en tas de surface non agité par l'application en séquence de première et seconde solutions de prétraitement à une alimentation vers un bioréacteur de lixiviation en tas de surface non agité, la première solution ayant une teneur en fer supérieure à 5 g/l et un pH inférieur à 2, et la seconde solution contenant une population microbienne sensiblement supérieure. L'invention concerne en outre des procédés pour adapter une population microbienne à une utilisation dans un bioréacteur de lixiviation en tas de surface non agité.
Geobiotics Llc
Ridout & Maybee Llp
LandOfFree
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