Purification of hydrochloric acid, a by-product of the methane sulfonic acid production

摘要

To eliminate the methane sulfonyl chloride driven by the hcl gas under - product is injected into the stream of hcl gas a quantity of water ranging from 0, 01 to 20% relative to the mass of hcl to be treated and the temperature is lowered to a value less than or equal to 15degrec.