Modeling and experimental analysis of packed column for SO2 emission control process
2014
Maheswari, Chenniappan | Krishnamurthy, Kasilingam | Parameshwaran, Rathinasamy
Sulfur dioxide (SO2) emissions from chemical process plants are increasing at an alarming rate. It is necessary to implement the best methodology to reduce the SO2 emissions. This paper presents physical modeling, computational fluid dynamics (CFD) analysis, and experimental analysis of a packed column used for flue gas desulfurization (FGD) process to reduce SO2 emission at a greater extent. The packed column parameters such as liquid/gas (L/G) ratio, diameter, packed height and total height were determined using physical modeling with two–film gas–liquid absorption theory. Simulation model of the packed column is developed by GAMBIT 2.2.30 and analysis is carried out by FLUENT 6.2.16. In CFD analysis, hydrogen peroxide (H2O2) (with different concentrations) was used as an absorbent. CFD simulation result ensures that when H2O2 is used as a reactant, better removal efficiency is obtained. Based on the physical modeling and CFD analysis, a lab scale packed column was developed. Experimental result showed that 95% SO2 removal efficiency is achieved for 0.1M H2O2 as a reactant. Experimental results agreed excellently with the developed CFD model and can be used for designing industrial packed columns.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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