Tribo-electrostatic behaviour of high ash non-coking Indian thermal coal

International Journal of Mineral Processing

Volumn 81, Issue 2, 2006, Pages 93-104

  Dwari, R K ^a   Hanumantha Rao, K ^a  

^a LULEÅ UNIVERSITY OF TECHNOLOGY   (Sweden)

Author keywords

Coal preparation; Electrostatic separation; Particle charging; Tribo electrification

Indexed keywords

COAL MINES; COKING; ELECTRIC CHARGE; ELECTROSTATICS; PYRITES; TRIBOELECTRICITY;

ELECTROSTATIC SEPARATION; PARTICLE CHARGING; THERMAL COAL; TRIBO ELECTRIFICATION;

COAL ASH;

EID: 33750055742     PISSN: 03017516     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.minpro.2006.07.006     Document Type: Article

References (22)

1. Alfano G., Carbini P., Carta M., Ciccu R., Del Fa C., Peretti R., and Zucca A. Applications of static electricity in coal and ore beneficiation. J. Electrost. 16 (1985) 315-328
2. Alfano G., Carbini P., Ciccu R., Ghiani M., Peretti R., and Zucca A. Progress in triboelectric separation of minerals. In: Forssberg E. (Ed). Proceedings of XVI IMPC (1988), Elsevier Pub B.V., Amsterdam 833-844
3. Carta M., Del Fa C., Ciccu R., Curreli L., and Agus M. Technical and economical problems connected with the dry cleaning of raw coal and in particular with pyrite removal by means of electric separation. In: Partridge A. (Ed). Proceedings of 7th International Coal Preparation Congress vol. K2 (1976), Adept Printing Pvt. Ltd., Australia 1-35
4. Ciccu R., and Foreman W.E. Sul caricamento triboelettrico dei minerali in relazione allo stato elettrnico delle loro superfici. L' Industr. Miner. 8 (1968) 525-531
5. Ciccu R., Ghiani M., Peretti R., Serci A., and Zucca A. Tribocharging studies of ground coal matter. In: Dugan D.R., and Attia Y.A. (Eds). Processing and Utilization of high Sulfur Coals IV, P.R. (1991), Elsevier Science Publishers B.V., Amsterdam 223
6. Davies D.K. Charge generation on dielectric surfaces. Br. J. Phys. (J. Phys. D) 2 (1969) 1533-1537
7. Finseth D., Newby T., and Elstrodt R. Dry electrostatic separation of fine coal. In: Parekh V.B.K., and Gropps J.G. (Eds). Processing and Utilization of High-Sulfur Coals (1993), Elsevier Science Publisher, B.V., Amsterdam 91-98
8. Harper W.R. The volta effect as a cause of static electrification. Proc. R. Soc. Lon. A. Math. Phys. Sci. (1951) 83-103
9. Inculet I.I., Bergougnou M.A., and Brown J.D. Electrostatic beneficiation of coal. In: Liu Y.A. (Ed). Physical Cleaning of Coal-Present and Developing Methods (1982), Marcell Dekker, New York 87-131
10. Inculet I.I. Electrostatic Mineral Separation (1984), Wiley, New York
11. Kim S.C., Son N.W., Kim D.H., and Oh J.G. High efficient centrifugal and triboelectrostatic separation of unburned carbon from fly ash for ash recycling. The 12th Korea-US Joint Workshop Energy and Environment, Oct. 6-11, Taejon, Korea (1997) 308-313
12. Knoll F.S., and Taylor J.B. Advances in Electrostatic Separation (1984), SME Preprint 84-71
13. Kwetus B.A. Contact electrification of coal and minerals. J. Electrost. 32 (1994) 271-276
14. Lockhart N.C. Review paper. Beneficiation of coal. Powder Technol. 40 (1984) 17-42
15. Lowel J. Contact electrification of metals. J. Phys. D, Appl. Phys. 8 (1975) 53-63
16. Li T.X., Ban H., Hower J.C., Stencel J.M., and Satio K. Dry tribo electrostatic separation of mineral particles: a potential application in space exploration. J. Electrost. 47 (1999) 133-142
17. Manouchehri H.R., Hanumantha Rao K., and Forsberg K.S.E. Review of electrical separation methods: Part 1. Fundamental aspects. Miner. Metall. Process. 17 1 (2000) 23-36
18. Manouchehri H.R., Hanumantha Rao K., and Forsberg K.S.E. Review of electrical separation methods: Part 2. Practical consideration. Miner. Metall. Process. 17 3 (2000) 139-166
19. Mazumder M.K., Tennal K.B., and Lindquist. Electrostatic beneficiation of coal. Proceeding of the Tenth Annual Coal Preparation, Utilization and Environmental Control Contractors Conference (1994) July 18-21
20. Mazumder M.K., Tennal K.B., and Lindquist D.A. Triboelectric separation of coal from mineral impurities. Electrostatic society of America 1995. Annual Meeting proceedings (1995), Laplacian press, Morgan Hill, CA 59-70
21. Michaelson H.B. The work function of the elements and its periodicity. J. Appl. Phys. 48 11 (1977) 4729-4733
22. Trigwell S., Grable N., Yurteri C.U., Sharma R., and Mazumder M.K. Effects of surface properties on the tribocharging characteristics of polymer powder as applied to industrial processes. IEEE Trans. Ind. Appl. 39 1 (2003) 79-86