Skip to main content
SpringerLink
Log in

Mineralogical and Beneficiation Studies of a Low Grade Iron Ore Sample

  • Original Contribution
  • Published:
Journal of The Institution of Engineers (India): Series D Aims and scope Submit manuscript

Abstract

Investigations were carried out, to establish its amenability for physical beneficiation on a low grade siliceous iron ore sample by magnetic separation. Mineralogical studies, with the help of microscope as well as XRD, SEM–EDS revealed that the sample consists of magnetite, hematite and goethite as major opaque oxide minerals where as quartz and kaolinite form the gangue minerals in the sample. Processes involving combination of classification, dry magnetic separation and wet magnetic separation were carried out to upgrade the low grade siliceous iron ore sample to make it suitable as a marketable product. The sample was first ground and each closed size sieve fractions were subjected to dry magnetic separation and it was observed that limited upgradation is possible. The ground sample was subjected to different finer sizes and separated by wet low intensity magnetic separator. Dry beneficiation studies by Permaroll separator indicated that it is possible to get a product with 60.2 % Fe at 22 % weight recovery. It is possible to get an over all concentrate with 54 % Fe at 32.4 % weight recovery by combination of size reduction followed by LIMS and WHIMS.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Fig. 1
Fig. 2
Fig. 3
Fig. 4
Fig. 5
Fig. 6
Fig. 7
Fig. 8
Fig. 9

Similar content being viewed by others

References

  1. B.C. Acharya, D.S. Rao, R.K. Sahoo, B. Dash, Phosphorus in the siliceous manganese ores of Nishikhal, Orissa. Indian J. Geol. 66(1), 15–23 (1994)

    Google Scholar 

  2. A.I. Arol, A. Aydogan, Recovery enhancement of magnetite fines in magnetic separation. Colloids Surf. A: Physicochem Eng Asp. 232(2–3), 151–154 (2004)

    Article  Google Scholar 

  3. J.A. Bartnik, W.H. Zabel, D.M. Hopstock, On the production of iron ore superconcentrates by high-intensity wet magnetic separation. Int. J. Miner. Process. 2(2), 117–126 (1975)

    Article  Google Scholar 

  4. B. Das, B.K. Mishra, S. Prakash, S.K. Das, P.S.R. Reddy, S.I. Angadi, Magnetic and flotation studies of banded hematite quartzite (BHQ) ore for the production of pellet grade concentrate. Int. J. Miner. Metall. Mater. 17(6), 675–682 (2010)

    Article  Google Scholar 

  5. S. Dey, R.P. Bhagat, R.K. Kunwar, D.S. Rao, B. Banerjee, S.C. Maulik, Comparative studies on beneficiation of bauxite samples for application in refractory industry. Metals Mater. Process. 13(1), 1–8 (2001)

    Google Scholar 

  6. R.K. Dwari, D.S. Rao, P.S.R. Reddy, Magnetic separation studies for a low grade siliceous iron ore sample. Int. J. Min. Sci. Technol. 23, 1–5 (2013)

    Article  Google Scholar 

  7. B. Kar, H. Sahoo, S.S. Rath, D.S. Rao, B. Das, Characterization and beneficiation studies for the removal of iron from a china clay from India. Clay Miner. 48, 759–769 (2013)

    Article  Google Scholar 

  8. A.N. Koshkalda, N.V. Sukinova, V.V. Ivashchenko, EYu. Kovalenkova, Intensifying the dry magnetic beneficiation of iron ores. Metallurgist 51(7–8), 417–419 (2007)

    Article  Google Scholar 

  9. B.K. Mohapatra, D.S. Rao, R.K. Sahoo, Characterisation and magnetic separation studies of Chikla manganese ores, Maharastra. Indian Min. Eng. J. 34(7), 37–42 (1995)

    Google Scholar 

  10. L. Panda, D.S. Rao, B.K. Mishra, B. Das, Characterization and dissolution study of low-grade ferruginous nickel lateritic ore by sulphuric acid. Miner. Metall. Process. 31(1), 57–65 (2014)

    Google Scholar 

  11. S. Prakash, B. Das, B.K. Mohapatra, R. Venugopal, Recovery of iron values from iron ore slimes by selective magnetic coating. Sep. Sci. Technol. 35(16), 2651–2652 (2000)

    Article  Google Scholar 

  12. D.S. Rao, S.I. Angadi, S.D. Muduli, B.D. Nayak, Recovery of chromite values from the ferro-chrome industry flue dust. A.T. Miner. Process. 51(12), 56–63 (2010)

    Google Scholar 

  13. C. Satpathy, S. Routary, D.S. Rao, Heavy minerals recovery from beach and dune sand deposits of Ganjam coast. World Metall-Erzmetall 63(1), 25–33 (2010)

    Google Scholar 

Download references

Acknowledgments

The authors are thankful to The Director, CSIR-IMMT, Bhubaneswar, Odisha for his kind permission to publish this paper.

Author information

Authors and Affiliations

  1. Mineral Processing Department, CSIR-IMMT, Bhubaneswar, Odisha, 751013, India

    R. K. Dwari, D. S. Rao & P. S. R. Reddy

Authors
  1. R. K. Dwari
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. D. S. Rao
    View author publications

    You can also search for this author in PubMed Google Scholar

  3. P. S. R. Reddy
    View author publications

    You can also search for this author in PubMed Google Scholar

Corresponding author

Correspondence to D. S. Rao.

Rights and permissions

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Dwari, R.K., Rao, D.S. & Reddy, P.S.R. Mineralogical and Beneficiation Studies of a Low Grade Iron Ore Sample. J. Inst. Eng. India Ser. D 95, 115–123 (2014). https://doi.org/10.1007/s40033-014-0045-5

Download citation

  • Received:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s40033-014-0045-5

Keywords

Search

Navigation