Sulphuric acid/gas contact unit for the production of sulphuric acid

摘要

Contact unit suitable for producing sulphuric acid by contact of gas and concentrated sulphuric acid. The contact unit may be in the form of a tower 10, 11, 12 having an inlet 10A and an outlet 10B. It consists, totally or in part, of an austenitic steel having a relatively high silicon content. Field of application: production of sulphuric acid. <IMAGE>