Abstract
Metallurgical manganese ore samples from Ka’oje
(Nigeria) were enriched to higher Metallurgical grades during
wet gravity separation techniques which included Jigging and
Tabling operations. As-mined samples S1 (36.83%MnO), S2
(47.85%MnO), S3 (58.85%MnO) and S4 (54.96%MnO) were
dressed and screened to -780+500 µm, -500+355µm, -355+250
µm, -250+192 µm and -192 µm particle size ranges. Obtained
Jigging test concentrates assayed 51.54% MnO minimum
recovery level with an enrichment ratio (ER) of 1.02; while
Tabling operation concentrates assayed 91.11% MnO
maximum recovery and 1.14 ER value. These responses
demonstrated the suitability of the two techniques in raising the
enrichment levels of the ores for better applications and higher
economic gains.
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