Self inhibition of aluminum leaching from coal fly ash by sulfuric acid

Chemical Engineering Journal

Volumn 72, Issue 3, 1999, Pages 195-207

  Seidel, A ^a   Sluszny, A ^a   Shelef, G ^a   Zimmels, Y ^a  

^a TECHNION ISRAEL INSTITUTE OF TECHNOLOGY   (Israel)

Author keywords

Aluminum leaching; Coal fly ash; Self inhibition

Indexed keywords

ALUMINUM; COAL; FLY ASH; LEACHING; METAL EXTRACTION;

CELL FUSING AGENT VIRUS;

ACIDS; ALUMINUM; CALCIUM COMPOUNDS; COAL; DISSOLUTION; IONS; LEACHING; MASS TRANSFER; POWER PLANTS; PRECIPITATION (CHEMICAL); SULFURIC ACID; THERMAL EFFECTS;

COAL FIRED POWER PLANTS; COAL FLY ASH; HYDRONIUM ION; MASS ACTION LAW; SELF INHIBITION;

FLY ASH;

EID: 0033535296     PISSN: 13858947     EISSN: None     Source Type: Journal    
DOI: 10.1016/S1385-8947(99)00006-6     Document Type: Article

References (28)

1. S.V. Mattigod, L.E. Dhanpat Rai, Eary, C.C. Ainsworth, Geochemical factors controlling the mobilization of inorganic constituents from fossil fuel combustion residues: I. Review of the major elements, J. Environ. Qual. 19 (1990) 188-201.
2. G.J. De Groot, J. Wijkstra, D. Hoede, H.A. Van der Sloot, Leaching characteristics of selected elements from coal fly ash as a function of the acidity of the contact solution and the liquid/solid ratio, ASTM Spec. Tech. Publ. 1033 (1989) 170-183.
3. W.R. Harris, D. Silberman, Time-dependent leaching of coal fly ash by chelating agent, Environ. Sci. Technol. 17(3) (1983) 139-145.
4. W.R. Roy, R.A. Griffin, Illinois basin coal fly ash. 2. Equilibria relationships and Qualitative modeling of ash-water reactions, Environ. Sci. Technol. 18(10) (1984) 739-742.
5. N. Kress, Chemical aspects of coal fly ash disposal at sea: predicting and monitoring environmental impact, Water Sci. Tech. 27(7)(8) (1993) 449-455.
6. R.W Talbot, M.A. Anderson, A.W Andren, Qualitative model of heterogeneous equilibria in fly ash pond, Environ. Sci. Technol. 12(9) (1978) 1056-1062.
7. M.M. Soroczak, H.C. Eaton, M.E. Tittlebaum, An ESCA and SEM study of changes in the surface composition and morphology of low calcium coal fly ash as a function of aqueous leaching, Proceedings of the Material Research Society Symposium, vol. 86, Material Research Society, 1987, pp. 37-47.
8. D.G. Shannon, L.O. Fine, Cation solubilities of lignite fly ash, Environ. Sci. Technol. 8(12) (1974) 1026-1028.
9. L.D. Hansen, D. Silberman, G.L. Fisher, D.J. Eatough, Chemical speciation of elements in stack-collected, respirable size, coal fly ash, Environ. Sci. Technol. 18(3) (1984) 181-186.
10. L.D. Hansen, D. Silberman, G.L. Fisher, Crystalline components of stack-collected, size fractionated coal fly ash, Environ. Sci. Technol. 15(9) (1981) 1057-1062.
11. L.D. Hansen, G.L. Fisher, Elemental distribution in coal fly ash particles, Environ. Sci. Technol. 14(9) (1980) 1111-1117.
12. E.E. Berry, R.T. Hemmings, D.M. Golden, Enhanced resource recovery by benefication and Direct Acid Leaching of fly ash, Proceedings of the Material Research Society Symposium, vol. 86, Material Research Society, 1987, pp. 365-380.
13. A. Seidel, Mechanism of Metals Bioleaching from Coal Fly Ash in Concentrated Suspension by Thiobacillus thiooxidans Bacteria, D.Sc. Thesis, Technion Haifa, ISRAEL, 1997.
14. A. Seidel, Y. Zimmels, Mechanism and kinetics of aluminum and iron leaching from coal fly ash by sulfuric acid, Chem. Eng. Sci. 53(22) (1998) 3835-3852.
15. Y. Zimmels, D. Schwartz, Application of coal fly ash for fixation of hazardous wastes, Rev. Chem. Eng. (1994) 385-417.
16. R.M. Canon, T.M. Gilliam, J.S. Watson, Evaluation of potential processes for recovery of metals from coal ash, EPRI reports CS-1992, 1981.
17. R.F. Wilder, P.J. Barett, L.W. Henslee, D. Arpi, Recovery of metal oxides from fly ash, EPRI reports CS-3544, 1984.
18. J.S. Watson, G. Jones, R.F. Wilder, Recovery of metal oxides from fly ash including ash benification products, EPRI CS-4384, 1986.
19. A.D. Kelmers, B.Z. Egan, F.G. Seeley, G.D. Campbell, Direct acid dissolution of Aluminum and other metals from fly ash, TMS paper A81-24, The Metallurgical Society of AIME, 1981.
20. A.P. Harrison, The acidofilic Thiobacilli and other acidophilic bacteria that share their habitat, Ann. Rev. Microbiol. 38 (1984) 265-292.
21. D.G. Lundgren, M. Silver, Ore leaching by bacteria, Ann. Rev. Microbiol. 34 (1980) 263-283.
22. D. Couillard, G. Mercier, An economic evaluation of biological removal of heavy metals from wastewater sludge, Water Environ. Res. 66(1) (1994) 32-39.
23. R. Fass, J. Geva, Z.P. Shalita, M.D. White, J.C. Fleming, Bioleaching for recovery of metal values from coal fly ash using Thiobacillus strains, Israel Electric Corp. Israel, Can. Pat. Appl.
24. G. Shelef, Y. Zimmels, S. Kimchie, Bioextraction of metals from coal fly ash, Israel Electric Co. internal reports, 1991, 1992 and 1994.
25. A.D. Eaton, L.S. Clesceri, A.E. Greenberg (Eds.), Standard Methods for the Examination of Water and wastewater, 19th ed., 1995, APHA, AWWA and WEF, Washington, USA.
26. A.D. Kelmers, R.M. Canon, B.Z. Egan, L.K. Felker, T.M. Gilliam, C. Jones, G.D. Owen, F.G. Seeley, J.S. Watson, Chemistry of the direct acid leach, calsinter, and pressure digestion-acid leach methods for the recovery of alumina from fly ash, Resources and Conservation 9 (1982) 271-279.
27. R.C. Wheast, M.J. Astle, (Eds.), CRC Handbook of Chemistry and Physics, 61st ed., CRC Press, Fl, USA, 1980.
28. C.D. Hodgman, R.C. Weast, R.S. Shankland, S.M. Selby (Eds.), Handbook for Chemistry and Physics, 44th ed., Chemical Rubber Publishing Co., USA, 1963.