Abstract
Removal of sulfur dioxide and its accurate prediction from the flue gases emitted from various chemical industries in a techno-econo-enviro manner is of great importance. The concentration of sulfur dioxide in and around Indian chemical process plants dealing with sulfur compounds overshoots the danger point. Prediction of SO 2 removal efficiency is very important for the selection of pollution control equipment. In the present investigation, a residence time distribution (RTD) approach has been used for developing a theoretical model for predicting the SO 2 removal efficiency in a horizontal co-current gas–liquid scrubber by water spray. Experimental result shows that a very high percentage removal of SO 2 could be achieved from air–SO 2 mixture without using any additives or pre-treatment. Experimental results agreed excellently with developed theoretical model and it shows that almost 75–99% removal efficiency could be achieved by this approach.
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