Classic Biological Scrubber
CRA manufactures biological scrubbers in technical collaboration with M/s S & H Umweltengineering, Germany.
They are pioneers in the designing & manufacturing of biological scrubbers and have more than 200 installations worldwide for different applications and working environments.
The biological desulphurization operates on the principles of a biotrickling filter by using sulphur bacteria (thiobacillus) to remove the H2S. The main reduction product is sulphuric acid and a small proportion of elementary sulphur is produced by this reaction.