Publication Cover
Canadian Metallurgical Quarterly
The Canadian Journal of Metallurgy and Materials Science
Volume 63, 2024 - Issue 2
147
Views
0
CrossRef citations to date
0
Altmetric
Mineral Processing

An investigation into the dry processing of low specific gravity ores using a laboratory Knelson concentrator

, , , &
Pages 508-529 | Received 13 Feb 2023, Accepted 01 Jun 2023, Published online: 09 Jun 2023

References

  • Knelson B. The Knelson concentrator. Metamorphosis from crude beginning to sophisticated world wide acceptance. Miner Eng. 1992;5(10–12):1091–1097.
  • Knelson B, Jones R. “A new generation of Knelson concentrators” a totally secure system goes on line. Miner Eng. 1994;7:201–207.
  • Okanigbe D, Olawale P, Popoola A, et al. Centrifugal separation experimentation and optimum predictive model development for copper recovery from waste copper smelter dust. Cogent Eng. 2018;5(1):1551175.
  • Marion C, Langlois R, Kökkılıç O, et al. A design of experiments investigation into the processing of fine Low specific gravity minerals using a laboratory Knelson concentrator. Miner Eng. 2018;135:139–155.
  • Angadi SI, Eswaraiah C, Jeon H-S, et al. Selection of gravity separators for the beneficiation of the Uljin tin ore. Miner Proce Extr Metall Rev. 2017;38(1):54–61.
  • Akar Sen G. Application of full factorial experimental design and response surface methodology for chromite beneficiation by Knelson concentrator. Minerals. 2016;6(1):5.
  • Savas M. Recovery of colemanite from tailing using a Knelson concentrator. Physicochem Probl Miner Process. 2016;52:1036–1047.
  • Majumder AK, Tiwari V, Barnwal JP. Separation characteristics of coal fines in a Knelson concentrator–a hydrodynamic approach. Coal Prep. 2007;27:126–137.
  • Rubiera F, Hall ST, Shah CL. Sulfur removal by fine coal cleaning processes. Fuel. 1997;76:1187–1194.
  • Uslu T, Sahinoglu E, Yavuz M. Desulphurization and deashing of oxidized fine coal by Knelson concentrator. Fuel Process Technol. 2012;101:94–100.
  • Ghaffari A, Farzanegan A. An investigation on laboratory Knelson concentrator separation performance: part 2: Two-component feed separation modelling. Miner Eng. 2017;112:114–124.
  • Sakuhuni G, Klein B, Altun NE. A hybrid evolutionary performance improvement procedure for optimisation of continuous variable discharge concentrators. Sep Purif Technol. 2015;145:130–138.
  • Klein B, Altun NE, Ghaffari H. Use of centrifugal-gravity concentration for rejection of talc and recovery improvement in base-metal flotation. Int J Miner Metallur Mater. 2016;23:859–867.
  • Jordens A, Marion C, Langlois R, et al. Beneficiation of the Nechalacho rare earth deposit. part 1: gravity and magnetic separation. Miner Eng. 2016;99:111–122.
  • Klein B, Altun NE, Ghaffari H, et al. A hybrid flotation–gravity circuit for improved metal recovery. Int J Miner Process. 2010;94:159–165.
  • Burt R, Korinek G, Young S, et al. Ultrafine tantalum recovery strategies. Miner Eng. 1995;8:859–870.
  • Gonçalves, C., Braga, P. In-Depth characterization and preliminary beneficiation studies of heavy minerals from beach sands in Brazil, The Tenth International Heavy Minerals Conference, Sun City, South Africa; 2016.
  • Premaratne WAPJ, Rowson NA. Recovery of titanium from beach sand by physical separation. Eur J Mineral Process Environ Protect. 2004;4:183–193.
  • McLeavy M, Klein B, Grewal I. Knelson continuous variable discharge concentrator: analysis of operating variables. International heavy minerals conference, Fremantle, WA; 2001. p. 119–125.
  • McLeavy MJ. (2005). Continuous centrifugal concentrator operation and control [MASc thesis]. Department of Mining and Mineral Process Engineering, University of British Columbia, Vancouver (Canada).
  • Sakuhuni G, Altun NE, Klein B, et al. A novel laboratory procedure for predicting continuous centrifugal gravity concentration applications: The gravity release analysis. Int J Miner Process. 2016;154:66–74.
  • Altun NE, Sakuhuni G, Klein B. The use of continuous centrifugal gravity concentration in grinding circuit. Modified approach for improved metallurgical performance and reduced grinding requirements. Physicochem Probl Miner Process. 2015;51(1):115–126.
  • Byron R, Roberts K. Flotation improvements in the Luzenac Pehhorwood talc concentrator. Proceedings 36th Annual Meeting of the Canadian Mineral Processors, Ottawa, Canada; 2004.
  • Fullam M, Eng P, Grewal I, et al. The Knelson Continuous Variable Discharge (CVD) Concentrator. The Knelson Group, 2001, 1–6.
  • Laplante, A.R., Huang, L., Noaparast, M., Nickoletopoulos, N. A philosopher’s stone: Turning tungsten and lead into gold-The use of synthetic ores to study gold gravity separation. 27th Annual Meeting of Canadian Mineral Processors, Ottawa; 1995a. p. 379–394.
  • Laplante AR, Woodcock F, Noaparast M. Predicting gravity separation gold recovery. Min Metall Explor. 1995b;12:74–79.
  • Habiyaremye A. Water innovation in South Africa: mapping innovation successes and diffusion constraints. Environ Sci Policy. 2020;114:217–229.
  • Alvez A, Aitken D, Rivera D, et al. At the crossroads: can desalination be a suitable public policy solution to address water scarcity in Chile’s mining zones? J Environ Manag. 2020;258::110039.
  • Jiang Y. China’s water scarcity. J Environ Manag. 2009;90(11):3185–3196.
  • Chehreh Chelgani S, Nasiri H, Tohry A. Modeling of particle sizes for industrial HPGR products by a unique explainable AI tool- A “conscious Lab” development. Adv Powder Technol. 2021;32(11):4141–4148.
  • Li G, Roufail R, Klein B, et al. Experimental evaluation of the conjugate anvil hammer mill – comparison of semi-confined to confined particle breakage. Miner Eng. 2019;137:34–42.
  • Nordell L, Potapov A. Novel comminution machine may vastly improve crushing-grinding efficiency, Sixth international conference on semi-autogenous high press. Grinding Technology; 2015.
  • Nordell LK, Porter B, Potapor A. Comminution energy efficiency–understanding next steps. Proc. XXVIII Int. Mineral Processing Congress, 2016. p. 1–24.
  • Budnitz RJ, Holdren JP. Social and environmental costs of energy systems. Annu Rev Energy. 1976;1(1):553–580.
  • Kökkılıç O, Langlois R, Waters KE. A design of experiments investigation into dry separation using a Knelson concentrator. Miner Eng. 2015;72:73–86.
  • Luo Z, Zhao Y, Lv B, et al. Dry coal beneficiation technique in the gas–solid fluidized bed: a review. Int J Coal Prep Utili. 2022; 42(4): 986–1014.
  • Macpherson S, Iveson S, Galvin K. Density based separations in the reflux classifier with an air–sand dense–medium and vibration. Miner Eng. 2010;23(2):74–82.
  • Greenwood M, Langlois R, Waters KE. The potential for dry processing using a Knelson concentrator. Miner Eng. 2013;45:44–46.
  • Zhou M, Kökkılıç O, Langlois R, et al. Size-by-size analysis of dry gravity separation using a 3-in. Knelson concentrator. Miner Eng. 2016;91:42–54.
  • Chen Q, Yang H-Y, Tong L-L, et al. Research and application of a Knelson concentrator: A review. Miner Eng. 2020;152:106339.
  • Ma L, Wei L, Zhu X, et al. Response surface method for modeling of fine coal beneficiation by Knelson concentrator. Int J Coal Prep Util. 2021;41(11):776–788.
  • Oney O, Samanli S, Niedoba T, et al. Determination of the important operating variables on cleaning fine coal by Knelson concentrator and evaluation of the performance through upgrading curves. Int J Coal Prep Utili. 2020;40(10):666–678.
  • Ling, J.H., 1998. A study of a variable speed 3-in Knelson concentrator. Department of Mining and Metallurgical Engineering. McGill University, Montreal.
  • Box GE, Hunter JS. Multi-factor experimental designs for exploring response surfaces. Annals Math Stat. 1957;28(1): 195–241.
  • Box GEP, Wilson KB. On the experimental attainment of optimum conditions. In: S Kotz, NL Johnson, editors. Breakthroughs in Statistics. Springer Series in Statistics. New York, NY: Springer; 1992. p. 270–310. https://doi.org/10.1007/978-1-4612-4380-9_23.
  • Chen Y-C, Parlar H. Enrichment behavior of immunoglobulin by foam fractionation using response surface methodology. Sep Purif Technol. 2013;107:102–108.
  • Montgomery DC. Design and analysis of experiments, ninth edition. Hoboken, NJ: John Wiley & Sons; 2017.
  • Yi S, Su Y, Qi B, et al. Application of response surface methodology and central composite rotatable design in optimizing the preparation conditions of vinyltriethoxysilane modified silicalite/polydimethylsiloxane hybrid pervaporation membranes. Sep Purif Technol. 2010;71(2):252–262.
  • Obeng D, Morrell S, Napier-Munn T. Application of central composite rotatable design to modelling the effect of some operating variables on the performance of the three-product cyclone. Int J Miner Process. 2005;76(3):181–192.

Reprints and Corporate Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

To request a reprint or corporate permissions for this article, please click on the relevant link below:

Academic Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

Obtain permissions instantly via Rightslink by clicking on the button below:

If you are unable to obtain permissions via Rightslink, please complete and submit this Permissions form. For more information, please visit our Permissions help page.