Process for the concentration of sulphuric acid

• Main Author: FREDERICK WILLIAM STANLEY JONES ET FRANK SMITH
• Format: Patent
• Language: English; French
• Published: 31.08.1984
• Subjects: ALLOYS; BLASTING; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; COMPOUNDS THEREOF; DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION; FERROUS OR NON-FERROUS ALLOYS; HEAT EXCHANGE IN GENERAL; HEATING; INORGANIC CHEMISTRY; LIGHTING; MECHANICAL ENGINEERING; METALLURGY; NON-METALLIC ELEMENTS; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; THEIR RELEVANT APPARATUS; TRANSPORTING; TREATMENT OF ALLOYS OR NON-FERROUS METALS; WEAPONS

The invention relates to a process for the concentration of sulphuric acid used in a concentration vessel 110. The vessel 110 is made of austenitic steel with a relatively high silicon content. The process is carried out with a plurality of concentration stages. Field of application: production of s...