Removing waste gas containing mercury, dust, heavy metals

摘要

Process for removing waste gas containing mercury, dust, further heavy metals and further pollutant components comprises converting mercury with alkali sulphide solution into mercury sulphide and removing the mercury sulphide via a dust separator. The novelty is that the alkali sulphide solution is added to the waste gas with simultaneous introduction of heat to accelerate the exclusion of the alkali sulphide molecules to substances absorbing mercury.