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A Novel Dry Process for Simultaneous Removal of SO 2 and NO from Flue Gas in a Powder‐Particle Fluidized Bed
Author(s) -
Luo G.,
Yoneda A.,
Kato K.
Publication year - 2001
Publication title -
chemical engineering and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.403
H-Index - 81
eISSN - 1521-4125
pISSN - 0930-7516
DOI - 10.1002/1521-4125(200104)24:4<361::aid-ceat361>3.0.co;2-c
Subject(s) - sorbent , flue gas , potassium carbonate , fluidized bed , waste management , particle size , particle (ecology) , sulfur dioxide , fluidized bed combustion , flue gas desulfurization , chemical engineering , chemistry , materials science , adsorption , inorganic chemistry , oceanography , engineering , geology , organic chemistry
A novel sorbent, potassium carbonate impregnated on porous fine alumina, was produced, and its reactive and regenerative properties were evaluated for dry‐type simultaneous removal of SO 2 and NO from flue gas under stack temperatures, by using a powder‐particle fluidized bed (PPFB) with I.D. of 53 mm as the reactor. High removal efficiencies for SO 2 and NO were achieved simultaneously. An apparent beneficial effect of SO 2 on the enhancement of NO removal was found based on a large amount of data. The alumina carrier was successfully regenerated and used repeatedly for the production of fresh sorbent particles. With no ammonia, low temperature, high removal efficiency, and no second waste emission as main characteristics, this dry process can be a competitive technology for pollution control of flue gas from power plants in the future.