Desulfurization and demineralization of asphaltite using combination of froth flotation and aqueous caustic leaching

Energy Exploration and Exploitation

Volumn 26, Issue 2, 2008, Pages 133-142

  Saydut, Abdurrahman ^a   Duz, M Zahir ^a   Aydin, Isil ^a   Hamamci, Candan ^a  

^a DICLE UNIVERSITY   (Turkey)

Author keywords

Aqueous caustic leaching; Asphaltite; Demineralization; Desulphurization; Froth flotation

Indexed keywords

ASH CONTENTS; ASPHALTITE; CAUSTIC LEACHING; DE-ASHING; DESULPHURIZATION; MINERAL MATTERS; ORGANIC SULFUR; PYRITIC SULFUR; SODIUM HYDROXIDES; TOTAL SULFUR; VOLATILE MATTERS;

ASPHALTENES; DESULFURIZATION; LEACHING; SODIUM; SULFUR;

FROTH FLOTATION;

EID: 73449087008     PISSN: 01445987     EISSN: None     Source Type: Journal    
DOI: 10.1260/014459808785260481     Document Type: Article

References (37)

1. Abdollahy, M., Moghaddam, AZ., and Rami, K. (2006). "Desulfurization of mezino coal using combination of 'flotation' and 'leaching with potassium hydroxide/methanol'", Fuel, Vol. 85, pp. 1117-1124.
2. Altun, NE., Kok, MV., and Hicyilmaz, C. (2002). "Effect of particle size and heating rate on thecombustion of Silopi asphaltite", Energy & Fuels, Vol. 16, pp. 785-790.
3. Atia, AA. (1999). "Flotation of resinite from high ash coal", Minerals Engineering, Vol. 12, pp. 229-234.
4. Balaz, P., LaCount, RB., Kern, DB., and Turcaniova, L. (2001). "Chemical treatment of coal by grinding and aqueous caustic leaching", Fuel, Vol. 80, pp. 665-671.
5. Ballice, L. (2004). "Oxidation studies on Sirnak asphaltites. Determination of kinetic parameters", Oil Shale, Vol. 21, pp. 217-225.
6. Baysal, A., Akba, O., Merdivan, M., Hamamci, C., and Gumgum, B. (2002). "Comparison of microwave digestion procedures for the determination of some elements in asphaltite ash using ICP-AES", Annali di Chimica, Vol. 92, pp. 1127-1133.
7. Bokanyi, L., and Csöke, B. (2003). "Preparation of clean coal by flotation following ultra fine liberation", Applied Energy, Vol. 74, pp. 349-358.
8. Demirbas, A. (2002). "Demineralization and desulfurization of coals via column froth flotation and different methods", Energy Conversion & Management, Vol. 43, pp. 885-895.
9. Duz MZ. (2002). "Removal of sulfur and ash from solid fossil fuels in SE Anatolia using caustic extraction processes", PhD Thesis, Dicle University, Diyarbakir, TR. 2002.
10. Duz, MZ., Erdo-an, E., Saydut, A., Merdivan, M., and Hamamci C. (2008). "Effect of molten caustic leaching on demineralization and desulfurization of asphaltite", Energy Sources, Part A, (in press).
11. Duz, MZ., Tonbul, Y., Baysal, A., Akba, O., Saydut, A., and Hamamci, C. (2005). "Pyrolysis kinetics and chemical composition of Hazro coal according to the particle size", Journal of Thermal Analysis and Calorimetry, Vol. 81, pp. 395-398.
12. Erdogan, S., Baysal, A., Akba, O., Merdivan, M., and Hamamci, C. (2007). "Relationship between wintertime atmospheric particulate matter and meteorological conditions in Diyarbakir (Turkey)", Asian Journal of Chemistry, Vol. 19 (3), pp. 1703-1708.
13. Erol, M., Colduroglu, C., and Aktas, Z. (2003). "The effect of reagents and reagent mixtures on froth flotation of coal fines", International Journal of Mineral Processing, Vol. 71, pp. 131-145.
14. Gonenc, O. (1990). "Asphaltites and asphaltite deposits of Turkey", A report of MTA (in Turkish).
15. Hamamci, C., Duz, MZ., Saydut, A., and Merdivan, M. (2003). "Elemental composition of Southeastern Anatolia asphaltites (Turkey) as a function of particle size", Oil Shale, Vol. 20, pp. 161-166.
16. Hamamci, C., Kahraman, F., and Duz, MZ. (1997). "Desulfurization of southeastern Anatolian asphaltites by the Meyers method", Fuel Processing Technology, Vol. 50, pp. 171-177.
17. Hicyilmaz, C., and Altun, NE. (2006). "Demineralization of Sirnak asphaltites by flotation", Oil Shale, Vol. 23 (2), pp. 144-159.
18. Kadioglu, YY., Karaca, S., Bayrakceken, S., and Gulaboglu, MS. (1998). "The removal of organic sulfur from two Turkish lignites by chlorinolysis", Turkish Journal of Chemistry, Vol. 22, pp. 129-136.
19. Kara, H., and Ceylan, R. (1988). "Removal of sulphur from four Central Anatolian lignites by NaOH", Fuel, Vol. 67, pp. 170-172.
20. Karacan, O., Kok, MV., and Karaaslan, U. (1999). "Changes in thermal properties of crude oil asphaltenes induced by NaOH treatment", Fuel Processing Technology, Vol. 59, pp. 13-21.
21. Karayigit, AI., and Querol, X. (2002). "Minerology and elemental contents of the Sirnak asphaltite, Southeast Turkey", Energy Sources, Vol. 24, pp. 703-713.
22. Mukherjee, S., and Borthakur, PC. (2003). "Effects of alkali treatment on ash and sulfur removal from Assam coal", Fuel Processing Technology, Vol. 85, pp. 93-101.
23. Naik, PK., Reddy, SR., and Misra, VN. (2005). "Interpretation of interaction effects and optimization of reagent dosages for fine coal flotation", International Journal of Mineral Processing, Vol. 75, pp. 83-90.
24. Pawlik, M., Laskowski, JS., and Melo, F. (2004). "Effect of coal surface wettability on aggregation of fine coal particles", Coal Preparation, Vol. 24, pp. 233-248.
25. Polat, M., Polat, H., and Chander, S. (2003). "Physical and chemical interactions in coal flotation", International Journal of Mineral Processing, Vol. 72, pp. 199-213.
26. Saydut A. (1999). "Desulfurization and deashing of asphaltites and lignites in SE Anatolia using physically methods", MSc Thesis, Dicle University, Diyarbakir, TR.
27. Saydut, A., Duz, MZ., and Hamamci, C. (2007). "Desulfurization and demineralization of asphaltite by aqueous caustic leaching", Oil Shale, Vol. 24 (3), pp. 476-482.
28. Saydut, A., Duz, MZ., Tonbul, Y., Baysal, A., and Hamamci, C. (2008). "Separation of liquid fractions obtained from flash pyrolysis of asphaltite", Journal of Analytical and Applied Pyrolysis, Vol. 81 (1), pp. 95-99.
29. Saydut, A., Tonbul, Y., Baysal, A., Duz, MZ., and Hamamci, C. (2007). "Froth flotation pretreatment for enhancing desulfurization coal with sodium hydroxide", Journal of Scientific & Industrial Research, Vol. 66, pp. 72-74.
30. Sis, H., Ozbayoglu, G., and Sarikaya, M. (2003). "Comparison of non-ionic and ionic collectors in the flotation of coal fines", Minerals Engineering, Vol. 16, pp. 399-401.
31. Somasundaran, P., Zhang, L., and Fuerstenau, (2000). "DW. The effect of environment, oxidation and dissolved metal species on chemistry of coal flotation", International Journal of Mineral Processing, Vol. 58, pp. 85-97.
32. Tasa, A., and Tuovinen, OH. (1998). "Biological leaching of shales-A review", Oil Shale, Vol. 15, pp. 277-294.
33. Tonbul, Y., and Saydut, A. (2007). "Thermal behavior and pyrolysis of Avgamasya asphaltite", Oil Shale, Vol. 24 (4), pp. 547-560.
34. Tonbul, Y., Saydut, A., and Hamamci C. (2006). "Pyrolysis kinetics of asphaltite determined by thermal analysis", Oil Shale, Vol. 23 (3), pp. 286-293.
35. Williams, MC., and Fuerstenau, DW. (1987). "A Simple flotation method for rapidly assessing the hydrophobicity of coal particles", International Journal of Mineral Processing, Vol. 20, pp. 153-157.
36. Yaman, S., and Kucukbayrak, S. (1999). "Sulfur removal from Gediz lignite using aqueous sodium hydroxide solutions under mild oxidative conditions", Energy Sources, Vol. 21, pp. 829-837.
37. Ziyadanogullari, R., and Aydin, I. (2004). "Recovery of uranium, nickel, molybdenum, and vanadium from floated asphaltite ash", Separation Science and Techn ology, Vol. 39 (13), pp. 3113-3125.