| abstract |
A METHOD FOR CLEANING SUBSTANCE SULFUR GAS by flushing it with a solution of sulfuric acid in two stages in an evaporative mode, characterized in that, in order to increase the service life of the equipment by reducing corrosion with a higher content of hydrogen chloride in the gas, sulfuric acid from the first stage the second stage in an amount to ensure the concentration of sulfuric acid in the second stage is 35-55 wt.%, and in the first stage the washing is carried out with 40-50% sulfuric acid. |