UNIT FOR REGENERATION OF USED SULPHURIC ACID

摘要

A unit for regeneration of used sulphuric acid from solution, which contains admixtures of metals sulfates, comprises devices for concentration of said solution and removal of metals salts crystals from them, a device for cooling original solution of used sulphuric acid and crystallization of preferably marketable metals salts from it, and which is disposed in front of device for concentration. A device for cooling is equipped with a unit for division of suspension into clarified solution and production crystals.