Model Development of Spray Dryer Absorber FGD Process 


Vol. 2,  No. 1, pp. 80-95, Jun.  1996


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  Abstract

A mathematical model has been developed for simulating the spray dryer absorber (SDA) used in semi-dry flue gas desulfurization process. Fundamental equations include the component mass and heat balances in both gas and droplet phases and the equation of motion for a single droplet. The model developed described the pilot-plant data much better than the existing SPRAYMOD-M model. The effect of the process variables, whose values were chosen within the operation limits of the actual pilot plants, on % SO2 removal or conversion of the sorbent were calculated, and discussed in terms of SO2 absorption rate, the residence time of flue gas, the velocity and drying time of droplets. Finally, the % SO2 removal was calculated with two independent process variables and the results were shown on three-dimensional or two-dimensional diagrams with the lines of constant % SO2 removal, so that they can be easily applied to preliminary design of the SDA.

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  Cite this article

[IEEE Style]

J. SH, O. EK, L. HK, K. SG, "Model Development of Spray Dryer Absorber FGD Process," Clean Technology, vol. 2, no. 1, pp. 80-95, 1996. DOI: .

[ACM Style]

Jang SH, Oh EK, Lee HK, and Kim SG. 1996. Model Development of Spray Dryer Absorber FGD Process. Clean Technology, 2, 1, (1996), 80-95. DOI: .

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pISSN : 1598 - 9712
eISSN : 2288 - 0690

한국연구재단 등재학술지