Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture – Nitrogen or nitrogenous component
Patent
1982-06-01
1984-04-10
Heller, Gregory A.
Chemistry of inorganic compounds
Modifying or removing component of normally gaseous mixture
Nitrogen or nitrogenous component
423235, 423242, 423244, B01J 800, C01B 2100, C01B 1700
Patent
active
044420803
ABSTRACT:
A process for simultaneous removal of sulfur oxides (SO.sub.x) and nitrogen oxides (NO.sub.x) from gaseous mixtures (such as flue gases and industrial waste gases) containing them which comprises contacting the gaseous mixture with a particulate alkaline earth hydroxide and reaction products of the gaseous mixture and the hydroxide maintained in a moving bed reactor (preferably a fluid bed reactor) at a temperature of about 85.degree. C. to about 150.degree. C. in the presence of water vapor and oxygen and in the substantial absence of liquid water. A baghouse or other particle removal means preferably is employed to extract solid material such as fly ash and reaction products from the gaseous mixture being treated and to further capture unreacted SO.sub.x /NO.sub.x.
REFERENCES:
patent: 2992884 (1961-07-01), Bienstock et al.
patent: 3411865 (1968-11-01), Pijpers et al.
patent: 3428575 (1969-02-01), Pijpers et al.
patent: 3492083 (1970-01-01), Lowicki et al.
patent: 3498743 (1970-03-01), Kyllonen
patent: 3501897 (1970-03-01), Helden et al.
patent: 3505008 (1970-04-01), Frevel et al.
patent: 3784676 (1974-01-01), Moss
patent: 3792571 (1974-02-01), Waki et al.
patent: 3880618 (1975-04-01), McCrea et al.
patent: 3920421 (1975-11-01), Collins
patent: 3969482 (1976-07-01), Teller
patent: 3976747 (1976-08-01), Shale
patent: 4001384 (1977-01-01), Iwakura et al.
patent: 4079118 (1978-03-01), Gorai
patent: 4081513 (1978-03-01), Moss
patent: 4091076 (1978-05-01), Vogel et al.
patent: 4105744 (1978-08-01), Erdoess et al.
patent: 4137578 (1979-09-01), Mehta et al.
patent: 4177158 (1979-12-01), Blue
patent: 4178349 (1979-12-01), Wienert
patent: 4197278 (1980-04-01), Gehri
patent: 4201751 (1980-05-01), Holter et al.
patent: 4215096 (1980-07-01), Sinha et al.
patent: 4273750 (1981-06-01), Hollett, Jr. et al.
patent: 4273751 (1931-06-01), Sinha et al.
patent: 4279873 (1981-07-01), Felsvang et al.
patent: 4330512 (1982-05-01), Lendstrom
Brown et al., "Interactions of Stack Gas Sulfur and Nitrogen Oxides on Dry Sorbents" National Environmental Research Center, North Carolina, Sep. 1973.
Donnelly James R.
Felsvang Karsten S.
Morsing Per
Veltman Preston L.
A/S Niro Atomizer
Heller Gregory A.
LandOfFree
Fluid bed SOX/NOX process--"hydrated calcine absorption" does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Fluid bed SOX/NOX process--"hydrated calcine absorption", we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Fluid bed SOX/NOX process--"hydrated calcine absorption" will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-892356