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Title

COLUMN BIOLEACHING OF FINE PARTICLE SIZE FRACTION OF SARCHESHMEH LOW GRADE ORE

Pages

 Start Page 41 | End Page 47

Abstract

 Background and Objective: Existing of fine clay in mines and small particles of copper have caused reduction in chemical and biologicalreactions of these source, also using them makes it impossible to used in mass leaching operation in hydrometallargy of copper.Materials and Methods: In this study colum bioleaching of minus 1 mm fraction size of agglomeration of COLUMN BIOLEACHING operation were evaloated.Results: A COLUMN BIOLEACHING test of agglomerated ore was run for 105 days along with a negative control using thymol as bactericide. At this stage,about 77.5% of copper was recovered while this amount in non-inoculated column was only 57%.Conclusion: The result showed that this procedure can be successfully used to obtain biologic copper in these resources.

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