Abstract

The effect of four different types of oil soot on the behaviour of sulphur dioxide in the air was investigated on model systems. The efficiency of soot for removing SO 2 from the air stream increases with increased active surface of soot, length of contact and relative humidity. The experimental results indicate that the removal of SO 2 from the air stream in contact with soot is a result of SO 2 adsorption because all removed SO 2 is desorbed from soot at a temperature of 250°C.

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