CHARACTERIZATION AND GRAVITY CONCENTRATION OF KURUNGU IRON ORE, KOGI STATE, NIGERIA
CHARACTERIZATION AND GRAVITY CONCENTRATION OF KURUNGU IRON ORE, KOGI STATE, NIGERIA
No Thumbnail Available
Date
2021-03
Authors
IHOGBETIN, Faderera Funmilola
Journal Title
Journal ISSN
Volume Title
Publisher
Abstract
Characterization and concentration of Kurungu Iron ore has been undertaken. Bulk
samples were collected from the deposit site located in Kurungu village Ajaokuta Local
Government Area of Kogi State, Nigeria. The samples were crushed and pulverized and
a representative sample obtained by coning and quartering method. Analysis of the
representative sample was done using the XRF for composition analysis, XRD and
SEM for the mineralogical analysis and the modified Berry and Bruce method was used
to determine the work index of the ore. The XRF reveals that the ore contains 60.86%
Fe2O3, 0.49% MnO, 0.10% CaO, 36.2% SiO2, 0.04% CuO, 0.10% ZnO, 0.02%, Rb2O,
0.36% In2O3, 0.1% Sb2O3, 0.24% La2O3, 0.57% Eu2O3 and 0.03% Re2O7. Mineralogical
analysis by XRD revealed that the iron bearing mineral is Magnetite while Actinolite
and Quartz are present as associated minerals. The liberation size was established to be -
355+250 μm; having the highest grade value of 65.09%Fe2O3. The density of the ore
was found to be 3.81 x 103kg/m3. The SEM images show that the minerals were locked
together in layers and the work index of 13.96kWh/t was obtained. Beneficiation of the
ore using gravity concentration indicated that the iron of the ore can be upgraded from
44.15% to 55.4% Fe with a recovery of 77.80%. Based on the results, Kurungu iron ore
can be seen as another potential deposit that can be explored and exploited for use in
iron and steel production.
Description
A DISSERTATION SUBMITTED TO
THE SCHOOL OF POSTGRADUATE STUDIES
AHMADU BELLO UNIVERSITY
IN PARTIAL FULFILLMENT OF THE
REQUIREMENTS FOR THE AWARD OF DEGREE OF MASTER OF
SCIENCE IN METALLURGICAL AND MATERIALS ENGINEERING.
DEPARTMENT OF METALLURGICAL AND MATERIALS ENGINEERING,
AHMADU BELLO UNIVERSITY,
ZARIA, NIGERIA
Keywords
CHARACTERIZATION,, GRAVITY CONCENTRATION,, KURUNGU IRON ORE,, KOGI STATE,, NIGERIA.