Kinetics of coal desulfurization in an oxidative acid media

International Journal of Coal Preparation and Utilization

Volumn 29, Issue 3, 2009, Pages 152-172

  Davalos, A ^a,b   Pecina, E T ^a   Soria, M ^b   Carrillo, F R ^b  

^a CENTRO DE INVESTIGACIÓN EN MATERIALES AVANZADOS   (Mexico)

^b UNIVERSIDAD AUTÓNOMA DE COAHUILA   (Mexico)

Author keywords

Coal desulfurization; Inorganic sulfur; Pyrite dissolution; Reaction kinetics

Indexed keywords

ACID MEDIA; AQUEOUS MEDIA; AQUEOUS SOLUTIONS; COAL DESULFURIZATION; COAL MATRIX; HYDROGEN PEROXIDE CONCENTRATION; INORGANIC SULFUR; IRON IONS; KINETIC MODELS; OXIDATIVE ACID; OXIDATIVE TREATMENT; PEROXIDE DEGRADATION; PYRITE DISSOLUTION; PYRITIC SULFUR; SHRINKING CORE MODEL; SOLID PRODUCTS;

ASSOCIATION REACTIONS; COAL; COAL INDUSTRY; DESULFURIZATION; DISSOLUTION; FREE RADICAL POLYMERIZATION; HYDROGEN; HYDROGEN PEROXIDE; METAL IONS; METAL RECOVERY; OXIDATION; POLYSULFIDES; PYRITES; SULFUR; SULFURIC ACID;

REACTION KINETICS;

EID: 70449579029     PISSN: 19392699     EISSN: 19392702     Source Type: Journal    
DOI: 10.1080/19392690903035206     Document Type: Article

References (19)

1. 6), Energy and Fuels, Vol.20, pp. 287-294 (2006).
2. G. Ozbayoglu, Desulphurization of Coal to Protect the Environment, In Mineral Processing and the Environment (G. P. Gallios and K. A. Matis, eds.), Kluwer, The Netherlands, 1998.
3. C. L. Lin, J. R. Parga, J. Drelich, and J. D. Miller, Characterization of Washability of Some Mexican Coals, Coal Preparation, Vol.26, pp. 227-245 (1999).
4. M. M. Antonijevic, M. M. Dimetrijevic, and Z. Jankovic, Leaching of Pyrite with Hydrogen Peroxide in Sulphuric Acid. Hydrometallurgy, Vol.46, pp. 71-83 (1997).
5. S. Chander, A. Briceno, and J. Pang, Mechanism of Sulfur Oxidation in Pyrite, Minerals and Metallurgical Processing, Vol.10, pp. 113-118 (1993).
6. S. Chander and S. Kumar, Formation of Sulphur Layer and its Effect on Oxidation-Reduction Reactions at Pyrite, In Meeting of the Southern Hemisphere on Mineral Technology and III Latin-American Congress on Froth Flotation (S. Castro and J. Alvarez, eds.), University of Conception, Santiago, Chile, 1994.
7. S. Chander and A. Briceno, Kinetics of Pyrite Oxidation, Miner. Metall. Process., Vol.4, pp. 171-176 (1987).
8. A. N. Buckley, I. C. Hamilton, and R. Woods, Investigation of the Surface Oxidation of Sulphide Minerals by Linear Potential Sweep Voltammetryand X-ray Photoelectron Spectroscopy, In Flotation of Sulphide Minerals (K. S. E. Forssberg, ed.), 1985.
9. C. W. Jones, Applications of Hydrogen Peroxide and Derivatives, MPG Books Ltd., London, United Kingdom, 1999.
10. D. Borah, M. K. Baruah, and I. Haque, Oxidation of High Sulphur Coal. Part 2. Desulphurisation of organic sulphur by hydrogen peroxide in presence of metal ions, Fuel, Vol.80, pp. 1475-1488 (2001).
11. J. Cara, M. T. Carballo, A. Moran, D. Bonilla, O. Escolano, and F. J. Garcia, Biodesulphurization of High Sulphur Coal by Heap Leaching, Fuel, Vol.84, pp. 1905-1910 (2005).
12. S. Karaca, M. Akyurek, and S. Bayrakceken, The Removal of Pyritic Sulfur from Askale Lignite in Aqueous Suspension by Nitric Acid, Fuel Processing Technology, Vol.80, pp. 1-8 (2003).
13. O. Levenspiel, Chemical Reaction Engineering, 3rd ed., John Wiley and Sons, New York, USA, 1999.
14. APHA-AWWA, Standard Methods for the Examination of Water and Wastewater, 18th ed., American Public Health Association; American Water Works-Water Environment Federation, Baltimore, Maryland, USA, 1992.
15. A. I. Vogel, A Textbook of Quantitative Inorganic Analysis, Longmans, London, 1962.
16. K. A. Connors, A Textbook of Pharmaceutical Analysis, 1st ed., John Wiley and Sons, New York, 1982.
17. M. M. Antonijevic, M. M. Dimetrijevic, and Z. Jankovic, Kinetics of Chalcopyrite Dissolution by Hydrogen Peroxide in Sulphuric Acid, Hydrometallurgy, Vol.71, pp. 329-334 (2003).
18. H. Y. Shon and M. E. Wadsworth, Rate Processes of Extractive Metallurgy, 1st ed., Plenum Press, New York, 1979.
19. Y. L. Mikhlin, Disordered Surface Layers of Metal Sulfides and their Reactivity, Glass Physics and Chemistry, Vol.33, pp. 402-410 (2007).