Bio-oxidation process and apparatus

Details Bio-oxidation process and apparatus Bio-oxidation process and apparatus

C - Chemistry, Metallurgy

22

B

C22B 3/18 (2006.01) C22B 3/02 (2006.01)

Patent

CA 2350476

Disclosed is a process and apparatus for conducting bio-oxidation processes for the extraction of metals from metal containing materials in which aeration means, preferably a diffuser means, is employed within a bio-oxidation reactor to maintain bacterial viability and suspension of metal containing materials by introduction of an oxygen containing gas to a non-mechanically agitated reactor.

L'invention concerne un processus et un dispositif utiles dans des processus de biooxydation pour l'extraction de métaux à partir de matériaux renfermant des métaux. Pour cela, on utilise un élément d'aération, et de préférence des éléments diffuseurs, au sein d'un réacteur de biooxydation en vue de préserver la viabilité des bactéries et la suspension des matériaux renfermant des métaux, et ce par l'introduction d'un gaz renfermant de l'oxygène dans un réacteur agité de manière non mécanique.

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