243
Views
2
CrossRef citations to date
0
Altmetric
Original Articles

Optimization study of sodium hydroxide consumption in the coal demineralization process

, , , , &

References

  • Araya, P. E., Badilla-Ohlbaum, R., and Droguett, S. E., 1981, “Study of the treatment of subbituminous coals by NaOH solutions.” Fuel, 60. pp. 1127–1130.
  • ASTM International, 2010, “ASTM D 7582-12.” Standard test methods for proximate analysis of coal and coke by macro thermo-gravimetric analysis.
  • Choudhury, R., and Bhaktavatsalam, A. K., 1997, “Beneficiation of Indian coal by chemical techniques.” Energy Conversation Management, 38. pp. 173–178.
  • Culfaz, M., Ahmed, M., and Gurkan, S., 1996, “Removal of mineral matter and sulphur from lignites by alkali treatment.” Fuel Processing Technological, 47. pp. 99–109.
  • Dash, P. S., Kumar, S. S., Banerjee, P. K., and Ganguly, S., 2013, “Chemical leaching of high-ash Indian coals for production of low-ash clean coal.” Mineral Processing Extractive Metallurgy Reviews, 34. pp. 223–239.
  • Dash, P. S., Lingam, R. K., Sriramoju, S. K., Suresh, A., Banerjee, P. K., and Ganguly, S., 2015a, “Effect of elevated temperature & pressure on the leaching characteristics of Indian coals.” Fuel, 140. pp. 302–308.
  • Dash, P. S., Prasad, D. N., Sriramoju, S. K., Lingam, R. K., Suresh, A., Banerjee, P. K., and Ganguly, S., 2015b, “Maximizing demineralization during chemical leaching of coal through optimal reagent addition policy.” Chemical Product and Process Modeling, 10. pp. 1–9.
  • Dash, P. S., Sriramoju, S. K., Kargupta, K., Banerjee, P. K., and Ganguly, S., 2015c, “Characterization of chemically beneficiated Indian coals.” International Journal of Coal Preparation and Utilization, 35. pp. 257–272.
  • Dash, P. S., Sriramoju, S. K., Prasad, D. N., Banerjee, P. K., Ganguly, S., and Kargupta, K., 2014, “Formation of carbon nanostructures during chemical demineralization of Indian coals.” International Journal of Coal Preparative Utilization, 34. pp. 276–283.
  • Jena, M. S., Biswal, S. K., and Rudramuniyappa, M. V., 2008, “Study on flotation characteristics of oxidised Indian high ash sub bituminous coal.” International Journal of Mineral Processing, 87. pp. 42–50.
  • Kusakabe, K., Orita, M., Kato, K., Morooka, S., Kato, Y., and Kusunoki, K., 1989, “Simultaneous desulphurization and demineralization of coal.” Fuel, 68. pp. 396–399.
  • Lingam, R. K., Suresh, A., Dash, P. S., Sriramoju, S. K., and Ray, T., 2016, “Upgrading coal washery rejects through caustic-acid leaching.” Mineral Processing and Extractive Metallurgy Reviews, 37. pp. 69–72.
  • Mukherjee, S., and Borthakur, P. C., 2001, “Chemical demineralization/desulphurization of high sulphur coal using sodium hydroxide and acid solutions.” Fuel, 80. pp. 2037–2040.
  • Mukherjee, S., and Borthakur, P. C., 2004, “Effects of alkali treatment on ash and sulphur removal from Assam coal.” Fuel Processing Technological, 85. pp. 93–101.
  • Naik, P. K., Reddy, P. S. R., and Mishra, V. N., 2004, “Optimisation of coal flotation using statistical technique.” Fuel Processing Technological, 85. pp. 1473–1485.
  • Park, H., and Englezos, P., 1999, “Thermodynamic modeling of sodium aluminosilicate formation in aqueous alkaline solutions.” Industrial Engineering Chemical Researcher, 38. pp. 4959–4965.
  • Sharma, D. K., and Gihar, S., 1991, “Chemical cleaning of low grade coals through alkali-acid leaching employing mild conditions under ambient pressure.” Fuel, 70. pp. 663–665.
  • Sriramoju, S. K., Suresh, A., Dash, P. S., and Banerjee, P. K., 2014, “Parameter estimation of kinetic model equations for chemical leaching of coal.” Chemical Product and Process Modeling, 9. pp. 133–141.
  • Sriramoju, S. K., Suresh, A., Lingam, R. K., and Dash, P. S., 2017, “Mechanism of coal chemical leaching process and recovery of spent chemicals: pilot scale study.” International Journal of Coal Preparation and Utilization, 37. pp. 293–302.
  • Steel, K. M., and Patrick, J. W., 2001, “The production of ultra clean coal by chemical demineralization.” Fuel, 80. pp. 2019–2023.
  • Suresh, A., Lingam, R. K., Sriramoju, S. K., Bodewar, A., Ray, T., and Dash, P. S., 2015, “Pilot scale demineralization study on coal flotation tailings and optimisation of the operational parameters with modelling.” International Journal Miner Processing, 145. pp. 23–31.
  • Vasilakos, N. P., and Clinton, C. S., 1984, “Chemical beneficiation of coal with aqueous hydrogen peroxide/sulphuric acid solutions.” Fuel, 63. pp. 1561–1563.
  • Wang, Z. Y., Ohtsuka, Y., and Tomita, A., 1986, “Removal of mineral matter from coal by alkali treatment.” Fuel Processing Technological, 13. pp. 279–289.
  • Waugh, A. B., and Bowling, K. M., 1984, “Removal of mineral matter from bituminous coals by aqueous chemical leaching.” Fuel Processing Technological, 9. pp. 217–233.

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.