H2S retention with Ca-based sorbents in a pressurized fixed-bed reactor: Application to moving-bed design

Fuel

Volumn 84, Issue 5, 2005, Pages 533-542

  Adanez J ^a   Abad, A ^a   Garcia Labiano F ^a   De Diego, L F ^a   Gayan P ^a  

^a INSTITUTO DE CARBOQUÍMICA   (Spain)

Author keywords

Desulphurization; Fixed bed; Hot gas cleaning; Moving bed

Indexed keywords

ACTIVATION ENERGY; CALCIUM; COAL GAS; CONCENTRATION (PROCESS); DESULFURIZATION; MATHEMATICAL MODELS; SORPTION; VELOCITY MEASUREMENT;

FIXED-BED; HOT GAS CLEANING; LENGTH OF UNUSED BED (LUB); MOVING BED;

GAS ADSORPTION;

EID: 10844253724     PISSN: 00162361     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.fuel.2004.10.004     Document Type: Article

References (17)

1. Kristiansen A. Understanding coal gasification. London: IEA Coal Research; 1996.
2. Barin I. Thermochemical data of pure substances. Weinheim: VCH; 1989.
3. Thambimuthu KV. Gas cleaning for advanced coal-based power generation. London: IEA Coal Research; 1993.
4. 2S sorption by uncalcined limestone. Ind Engng Chem Res 1995;34:2324-33.
5. 2S removal in entrained flow reactors by injection of Ca-based sorbents at high temperatures. Energy Fuels 1998;12:726-33.
6. Fenouil LA, Lynn S. Design of entrained-flow and moving-, packed-, and fluidized-bed sorption systems: grain-model kinetics for hot coal-gas desulphurization with limestone. Ind Engng Chem Res 1996;35: 1024-43.
7. 2S reaction with calcined calcium-based sorbents. Energy Fuels 1998;12: 617-25.
8. García-Labiano F, Adánez J, Abad A, de Diego LF, Gayán P. Effect of pressure on the sulfidation of calcined calcium-based sorbents. Energy Fuels 2004;18:761-9.
9. Adánez J, Abad A, de Diego LF, García-Labiano F, Gayán P. Direct sulfidation of half-calcined dolomite under pressurized conditions. Ind Engng Chem Res 2004;43:4132-9.
10. Levenspiel O. The chemical reactor omnibook. Barcelona: Ed. Reverté; 1986.
11. Georgakis C, Chang CW, Szekely J. A changing grain size model for gas-solid reactions. Chem Engng Sci 1979;34:1072-5.
12. Froment GF, Bischoff KB. Chemical reactor analysis and design, 2nd ed. New York: Wiley; 1990.
13. Yrjas KP, Zevenhoven CAP, Hupa M. Hydrogen sulfide capture by limestone and dolomite at elevated pressure. 1. Sorbent performance. Ind Engng Chem Res 1996;35:176-83.
14. Yrjas P, Iisa K, Hupa M. Limestone and dolomite as sulfur absorbents under pressurized gasification conditions. Fuel 1996;75:89-95.
15. 2S reaction with noncalcined limestones and half-calcined dolomites. Energy Fuels 1999;13:146-53.
16. 2S retention from coal-gas into pressurized moving-bed reactors. PhD Dissertation, University of Zaragoza, Spain; 2003.
17. Abad A, Adánez J, García-Labiano F, de Diego LF, Gayán P. Hot coal-gas desulphurization with calcium-based sorbents in a pressurized moving-bed reactor. Energy Fuels 2004;18:1543-54.