Enhancement of direct sulfation of limestone by Na2CO3 addition

Fuel Processing Technology

Volumn 90, Issue 7-8, 2009, Pages 889-894

  Chen, Chuanmin ^a   Zhuang, Ye ^b   Wang, Chunbo ^a  

^a NORTH CHINA ELECTRIC POWER UNIVERSITY   (China)

^b UNIVERSITY OF NORTH DAKOTA   (United States)

Author keywords

Direct sulfation; Limestone; Modified; Na2CO3; Oxy fuel combustion

Indexed keywords

ANALYSIS METHOD; CHEMICAL REACTION CONTROL; CIRCULATING FLUIDIZED BED COMBUSTIONS; DIFFUSIONAL CONTROL; DIRECT SULFATION; FOREIGN IONS; HIGHER-DEGREE; LATTICE STRUCTURES; MEAN SIZE; MODIFIED; NA2CO3; OXY-FUEL; OXY-FUEL COMBUSTION; SCANNING ELECTRON MICROSCOPES; SOLID PRODUCTS; SOLID-STATE DIFFUSION; SULFATION REACTION; THERMOGRAVIMETRIC APPARATUS;

CALCINATION; CHEMICAL REACTIONS; DIFFUSION IN SOLIDS; FLUIDIZATION; FLUIDIZED BED PROCESS; FLUIDIZED BEDS; FUELS; LIMESTONE; POINT DEFECTS; SCANNING ELECTRON MICROSCOPY; SMOKE; THERMOCHEMISTRY;

FLUIDIZED BED COMBUSTION;

EID: 67349226368     PISSN: 03783820     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.fuproc.2009.04.008     Document Type: Article

References (33)

1. Tan Y., Croiset E., Douglas M.A., and Thambimuthu K.V. Combustion characteristics of coal in a mixture of oxygen and recycled flue gas. Fuel 85 (2006) 507-512
2. Buhre B.J.P., Elliott L.K., Sheng C.D., Gupta R.P., and Wall T.F. Oxy-fuel combustion technology for coal-fired power generation. Progr. Energy Comb. Sci. 31 (2005) 283-307
3. Jia L., Tan Y., Wang C., and Anthony E.J. Experimental study of oxy-fuel combustion and sulfur capture in a mini-CFBC. Energy Fuels 21 (2007) 3160-3164
4. 2 coal combustion with heat recirculation. Fuel 82 (2003) 1427-1436
5. ALSTOM Power, Greenhouse gas emissions control by oxygen firing in circulating fluidized bed boilers-phase II (October 27 2004)
6. Wang C., Jia L., Tan Y., and Anthony E.J. Carbonation of fly ash in oxy-fuel CFB combustion. Fuel 87 (2008) 1108-1114
7. 2 coal combustion atmosphere. Ind. Eng. Chem. Res. 45 (2006) 5078-5085
8. 2 coal combustion. Fuel 79 (2000) 945-953
9. Snow M.J.H., Longwell J.P., and Sarofim A.F. Direct sulfation of calcium carbonate. Ind. Eng. Chem. Res. 27 2 (1988) 269-273
10. 3. Ind. Eng. Chem. Res. 27 (1988) 2203-2210
11. Krishnan S.V., and Sotirchos S.V. Sulfation of high purity limestones under simulated PFBC conditions. Can. J. Chem. Eng. 71 2 (1993) 244-255
12. 2 partial pressure. Energy Fuels 7 4 (1993) 512-519
13. Fuertes A.B., Velasco G., Fernandez M.J., and Alvarez T. Analysis of the direct sulfation of calcium carbonate. Thermochim. Acta 242 (1994) 161-172
14. Iisa K., and Hupa M. Rate-limiting processes for the desulfurization reaction at elevated pressures. J. Inst. Energy 65 4 (1992) 201-205
15. 2 with calcium carbonat. Thermochim. Acta 260 (1995) 125-136
16. 2 partial pressures. Thermochim. Acta 254 (1995) 63-78
17. 2 partial pressures. Fuel Process. Technol. 38 3 (1994) 181-192
18. Hu G., Dam-Johansen K., Wedel S., and Hansen J.P. Review of the direct sulfation reaction of limestone. Progr. Energy Comb. Sci. 32 (2006) 386-407
19. Hu G., Dam-Johansen K., Wedel S., and Hansen J.P. Direct sulfation of limestone. AIChE J. 53 4 (2007) 948-960
20. Rahmani1 M., and Sohrabi M. Direct sulfation of calcium carbonate using the variable diffusivity approach. Chem. Eng. Technol. 29 12 (2006) 1496-1501
21. 2. AIChE J. 39 4 (1993) 698-700
22. 4 formed during sorbent-flue-gas reaction. AIChE J. 41 10 (1995) 2337-2340
23. 2 and air toxics removal in coal combustion. Chem. Eng. Sci. 54 (1999) 5585-5597
24. Borgwardt R.H., Bruce K.R., and Blake J. An investigation of product-layer diffusivity for CaO sulfation. Ind. Eng. Chem. Res. 26 (1987) 1993-1998
25. 2 reaction. AIChE J. 45 2 (1999) 367-382
26. Duo W., and Laursen K. Crystallization and fracture: formation of product layers in sulfation of calcined limestone. Powder Technol. 3 (2000) 154-167
27. Wang C., Shen X., and Xu Y. Investigation on sulfation of modified Ca-based sorbent. Fuel Process. Technol. 79 (2002) 121-133
28. 3 on the sulfur capture capacity of limestones. Environ. Sci. Technol. 37 16 (2003) 3709-3715
29. Fuertes A.B., and Fernandez M.J. The effect of metallic salt additives on direct sulfation of calcium carbonate and on decomposition of sulfated samples. Thermochim. Acta 276 (1996) 257-269
30. Hu G., Dam-Johansen K., and Wedel S. Enhancement of the direct sulfation of limestone by alkali metal salts, calcium chloride, and hydrogen chloride. Ind. Eng. Chem. Res. 46 (2007) 5295-5303
31. 3 and NaCl. Environ. Sci. Technol. 35 21 (2001) 4384-4389
32. Harb J.N., and Smith E.E. Fireside corrosion in pulverized coal (PC)-fired boilers. Progr. Energy Comb. Sci. 16 3 (1990) 169-190
33. Mahuli S.K., Agnihotri R., and Chauk S. Pore-structure optimization of calcium carbonate for enhanced sulfation. AIChE J. 43 9 (1997) 2323-2335