A procedure for purifying gases containing mercury or mercury compounds. (Machine-translation by Google Translate, not legally binding)

摘要

A method for purifying gases containing mercury or mercury compounds by washing said gases with a washing liquid containing sulfuric acid, at a temperature in the range of 50-110º c, and preferably 55-90º c, characterized by the operation of maintaining in the washing liquid containing sulfuric acid a solid phase in suspension containing at least one substance selected from the group consisting of active sulfur, active selenium and active sulfur and selenium compounds, such that the mercury contained in the gases forms compounds of solid and separable mercury in the washing liquid during said washing step. (Machine-translation by Google Translate, not legally binding)