SO2 and acid rain
Name: Marla Friedman
A major pollutant from the coal and steel industries is SO2. This pollutant
has been determined to be one of the causes of acid rain. Could you please
suggest a viable alternative to letting the SO2 produced by industrial
processes escape into the atmosphere?
Industry already has an alternative to letting the gas out into the
atmosphere. These are called scrubbers and they remove the gas from
smokestacks before it enters the atmosphere. The problem is that scrubbers
are expensive and used to be inefficient, so that the industry had to monitor
how much smoke it was putting out and could not exceed some specific level. A
literature search should yield some specific designs, the chemical reactions
used and the cost of using the scrubbers.
Stacie M Clark
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Update: June 2012