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Multiple reactor testing of a synthetic sorbent for regenerative sulfur capture in fluidized bed combustion of coal
Author(s) -
Wolff E. H. P.,
Gerritsen A. W.,
Van Bleek C. M. Den
Publication year - 1993
Publication title -
the canadian journal of chemical engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.404
H-Index - 67
eISSN - 1939-019X
pISSN - 0008-4034
DOI - 10.1002/cjce.5450710112
Subject(s) - sorbent , fluidized bed , fluidized bed combustion , combustion , coal , materials science , sulfur , coal combustion products , chemical engineering , flue gas desulfurization , waste management , chemistry , metallurgy , adsorption , engineering , organic chemistry
A new synthetic regenerable sorbent was developed as an alternative to limestone and dolomite for regenerative sulfur capture in fluidized bed combustion ( FBC of coal. The sorbent consists of CaO (8‐9 wt%) on a spherical 3 mm diameter γ‐Al 2 O 3 support. A shrinking unreacted core model ( SURE 2) is proposed to describe the sulfation process. Experiments have been carried out in a 12 mm internal diameter fixed bed reactor, a 0.05 m ID fluidized bed reactor and a thermobalance. The results obtained for all three reactors are in good agreement with the predictions of the SURE 2 model.
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