B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
23/348
B01D 53/34 (2006.01) B01D 53/02 (2006.01) B01D 53/60 (2006.01)
Patent
CA 1190723
TITLE OF THE INVENTION A method of removing sulfur oxides and nitrogen oxides by dry process ABSTRACT OF THE DISCLOSURE This invention relates to a method of removing sulfur and nitrogen oxides by dry process comprising passing a waste gas through a moving bed formed of a carbonaceous adsorbent in a direction transverse thereto to remove the sulfur oxides and adding ammonia to remove the nitrogen oxides, character- ized in that in a system comprising n moving beds (n being an integer of at least 2), the waste gas is passed trans- versely through the first moving bed, mixed with ammonia outside the first moving bed, and then fed to the second moving bed, the similar procedure being repeated in order, and finally, the waste gas is passed transversely through the n-th moving bed, while the carbonaceous adsorbent is transported from the n-th moving bed to the first moving bed in order.
411101
Hamada Takeshi
Komatsubara Yoshinobu
Mitsui Mining Co. Ltd.
Riches Mckenzie & Herbert Llp
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