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has been cited by the following article:

• TITLE: Secondary Recovery of Columbite from Tailing Dump in Nigerian Jos Mines Field

  AUTHORS: F.A Ayeni, I. A Madugu, P. Sukop, S. A Ibitoye, A. A. Adeleke, M Abdulwahab

  KEYWORDS: Tailing dump, columbite, recovery, concentration, characterization, Magnetic, Gravity, Recovery, Assay, Flowsheet

  JOURNAL NAME: Journal of Minerals and Materials Characterization and Engineering, Vol.11 No.6, June 15, 2012

  ABSTRACT: Millions of tons of tailing dump at Rayfield mine in Jos in North Central Plateau state of Nigeria have been found to contain large quantity of columbite. Initial attempts to recover columbite concentrates by local miners and mineral speculators from the columbite rich tailing dump failed due to the ineffective processing route employed. Using cone and quartering sampling method, 0.5 kg of the columbite tailing was obtained for sieve and chemical analyses. 50 kg of 2O5, respectively. The recovery and separation efficiency were 77.95% and 77.88% in that order. The magnetic and gravity concentrations were found effective at 77.95% recovery for columbite from the Rayfield tailing dump. This study also provided database for optimum recovery of columbite from tailings of mining sites of similar composition.