LOW-TEMPERATURE FLUE-GAS DESULFURIZATION BY ALUMINA-CAO REGENERABLE SORBENTS

Authors
SVOBODA K LIN WG HANNES J KORBEE R VANDENBLEEK CM
Citation
K. Svoboda et al., LOW-TEMPERATURE FLUE-GAS DESULFURIZATION BY ALUMINA-CAO REGENERABLE SORBENTS, Fuel, 73(7), 1994, pp. 1144-1150
Citations number
19
Categorie Soggetti
Energy & Fuels","Engineering, Chemical
Journal title
Fuel → ACNP
ISSN journal
00162361
Volume
73
Issue
7
Year of publication
1994
Pages
1144 - 1150
Database
ISI
SICI code
0016-2361(1994)73:7<1144:LFDBAR>2.0.ZU;2-R
Abstract
On the basis of laboratory experimental data on SO2 removal by sol-gel (SG) sorbents in a fixed bed within the temperature range 120-240-deg rees-C, both the reaction rate and the attainable conversion were foun d to depend strongly on three factors: quality of SG sorbent, water va pour concentration in the gas phase, and temperature. The ratio CaSO3/ CaSO4 in spent SG sorbent is strongly related to its reactivity and th e conditions of sorption. Regeneration of sulfated sorbents in a N2 H-2 gas mixture proved the feasibility of the process in the temperatu re range 750-850-degrees-C with >90% conversion to CaO.