B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
23/348
B01D 53/34 (2006.01) B01D 53/50 (2006.01) F23J 15/00 (2006.01) F23J 15/02 (2006.01)
Patent
CA 1254367
ABSTRACT OF THE DISCLOSURE: A process for removing sulfur oxides from a flue gas in a circulating fluidized bed system comprising: introducing the flue gas into a circulating fluidized bed reactor and maintaining a gas velocity therein of from 1 to 10 meters per second stated as empty pipe velocity; and selectively charging reactant into the reactor at different locations in a dry form and as an aqueous solution or suspension, the form in which the reactant is charged being controlled in dependence on the temperature and the SO2 content of the purified gas, the reactant containing at least one substance selected from the group consisting of Na2O, NaOH, Na2CO3, K2O, KOH, K2CO3, CaO, Ca(OH)2, CaCO3, MgO, Mg(OH)2, MgCO3, and mixtures thereof, said reactant having a mean particle size of from 1 to 300 microns. Afterwards, removing the pollutants from the flue gases at a temperature of the mixture of flue gas and reactant not in excess of 50°C above the dew point temperature of water vapor; and maintaining a mean suspension density of from 0.1 to 100kg/m3 in said reactor. Then,circulating in the circulating fluidized bed system a quantity of reactant per hour which is at least five times the quantity of reactant contained in the shaft of the fluidized bed reactor; withdrawing a partial stream of laden reactant from the fluidized bed; activating the withdrawn laden reactant; and returning the activated sorbent to the circulating fluidized bed.
514094
Metallgesellschaft Aktiengesellschaft
Robic Robic & Associes/associates
LandOfFree
Process of removing pollutants from flue gas does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Process of removing pollutants from flue gas, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process of removing pollutants from flue gas will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1238707