Direct sulfation of limestone at elevated pressures

Chemical Engineering Science

Volumn 55, Issue 16, 2000, Pages 3091-3100

  Qiu, Kuanrong ^a   Lindqvist, Oliver ^a  

^a CHALMERS UNIVERSITY OF TECHNOLOGY   (Sweden)

Author keywords

Elevated pressure; Limestone; Model; PFBC; SO2; Sulfation

Indexed keywords

ACTIVATION ENERGY; CALCIUM COMPOUNDS; CORRELATION METHODS; LIMESTONE; MATHEMATICAL MODELS; PARTIAL PRESSURE; RATE CONSTANTS; SULFUR DIOXIDE; THERMAL EFFECTS; THERMOGRAVIMETRIC ANALYSIS;

PRESSURIZED FLUIDIZED BED COMBUSTION (PFBC); SULFATION;

FLUIDIZED BED COMBUSTION;

LIMESTONE; SULFUR COMPOUND;

EID: 0034119075     PISSN: 00092509     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0009-2509(99)00589-8     Document Type: Article

References (20)

1. Allen D., Hayhurst A.N. Reaction between gaseous sulfur dioxide and solid calcium oxide. Mechanism and kinetics Journal of Chemical Society Faraday Transactions. 92:1996;1227-1238.
2. Anthony E.J., Iribarne A.P., Iribarne J.V. The characterization of solid residues from PFBC boilers. Canadian Journal of Chemical Engineering. 75:1997;1115-1121.
3. 2-lime reaction A.I.Ch.E. Journal. 27:1981;226-233.
4. Evans J.W., Szekely J., Ray W.H., Chuang Y.K. On the optimum temperature progression for irreversible non-catalytic gas-solid reactions. Chemical Engineering Science. 28:1973;683-690.
5. 2 partial pressure. Fuel Processing Technology. 38:1994;181-192.
6. Hannay N.B. Solid-state Chemistry. 1967;Prentice-Hall, Englewood Cliffs, NJ.
7. 3. Industrial Engineering and Chemistry Research. 27:1988;2203-2210.
8. 2. A.I.Ch.E. Journal. 39:1993;698-700.
9. Iisa K., Hupa M. Sulfur absorption by limestone at pressurized fluidized bed conditions. 23rd Symposium (international) on Combustion. 1990;943-948 The Combustion Institute, Pittsburgh, PA.
10. Iisa, K., Hupa, M., & Yrjas, P. (1992). Product layer diffusion in the sulphation of calcium carbonate. In 24th Symposium (International) on Combustion (pp. 1349-1356). Pittsburgh, PA, The combustion Institute.
11. Illerup J.B., Dam-Johansen K., Lundén K. High-temperature reaction between sulfur dioxide and limestone - VI. the influence of high pressure. Chemical Engineering Science. 48:1993;2151-2157.
12. Krishnan S.V., Sotirchos S.V. Sulfation of high purity limestone under simulated PFBC conditions. Canadian Journal of Chemical Engineering. 71:1993;244-255.
13. Krishnan S.V., Sotirchos S.V. A variable diffusivity shrinking-core model and its application to the direct sulfation of limestone. Canadian Journal of Chemical Engineering. 71:1993;734-744.
14. Marsh D.W., Ulrichson D.L. Rate and diffusional study of the reaction of calcium oxide with sulphur dioxide. Chemical Engineering Science. 40:1985;423-433.
15. Snow M.J.H., Longwell J.P., Sarofim A.F. Direct sulfation of calcium carbonate. Industrial Engineering Chemistry Research. 27:1988;268-273.
16. Szekely J., Evans J.W., Sohn H.Y. 1976;Gas-Solid Reactions Academic Press, London.
17. 2 partial pressure Energy & fuels. 7:1993;512-519.
18. Yrjas, P. (1996) Sulfur Capture Under Pressurized Fluidized Bed Combustion and Gasification Conditions. Ph.D. thesis, Åbo Akademi University, Turku, Finland.
19. 2 capture capacities of limestones and dolomites under pressure. Fuel. 74:1995;395-400.
20. Zevenhoven R., Yrjas P., Hupa M. Sulfur dioxide capture under PFBC conditions: the influence of sorbent particle structure. Fuel. 77:1998;285-292.