Ultra fine chromite concentration using spiral concentrator

Tripathy, Sunil Kumar and Ramamurthy, Y and Sahu, G P and Tathavadkar, V (2010) Ultra fine chromite concentration using spiral concentrator. In: Proceedings of the XI International Seminar on Mineral Processing Technology (MPT-2010), Dec 2010, NML Jamshedpur, India.



The conventional chromite beneficiation circuit utilises spiral concentrator for recovering chromite fines and as its efficiency decreases with respect to the decrease in particle size. Pilot scale studies have been performed to understand the effect of different process parameters which influence the separation of ultra fine chromite fines from a typical plant tailing. The process parameters of spiral concentrator such as feed rate (m3/hr), feed pulp density (% solids by weight) and splitter position (cm) are considered for the study. Splitter position has major influence on both grade and recovery of the concentrate fraction of spiral concentrator. Maximum grade of 48.54% Cr2O3 can be achieved in the concentrate fraction of spiral concentrator with 20.41% Cr2O3 recovery. Performance of spiral concentrator at different combination of process parameters was analysed with 3D surface plots.

Item Type:Conference or Workshop Item (Paper)
Official URL/DOI:http://eprints.nmlindia.org/2347
Uncontrolled Keywords:Ultra fine chromite, Beneficiation, Spiral concentrator, Performance, Modelling
Divisions:Mineral Processing
ID Code:2347
Deposited By:Dr. A K Sahu
Deposited On:12 Jan 2011 12:26
Last Modified:26 Dec 2011 15:10
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