The article contains sections titled: 1. Introduction 2. Properties 3. Raw Materials for Sulfur Dioxide Production 4. Production from Elemental Sulfur 4.1. Sulfur Burning Processes 4.2. Heat Recovery 4.3. Impurities and their Removal 4.4. Two‐Stage Sulfur Combustion 5. Production by Pyrite Roasting 5.1. Importance of Impurities 5.2. Thermodynamics and Kinetics 5.3. Roasting Processes 5.4. Roasting of Arsenical Pyrite 5.5. Production in Nonferrous Metal Sulfide Ore Processing 5.5.1. Copper Smelting 5.5.2. Nickel Smelting 5.5.3. Zinc Blende Roasting 5.5.4. Lead Smelting 5.6. Production by Decomposition of Sulfuric Acid and Sulfates 5.6.1. Waste Sulfuric Acid Processing 5.6.2. Sulfate Decomposition 5.7. Production from Waste Gases 5.7.1. Combustion of Hydrogen Sulfide 5.7.2. Recovery from Flue Gases 6. Cleaning of Crude Sulfur Dioxide Gas Streams 6.1. Constituents of Roaster and Metallurgical Gases 6.2. Cleaning Systems 7. Production of Pure Sulfur Dioxide 7.1. Chemical Production from Sulfur Trioxide 7.2. Separation from Sulfur Dioxide‐Containing Gases 8. Construction Materials 9. Industrial Output and Uses 10. Analysis 11. Environmental Aspects and Toxicology 12. Acknowledgement

The article contains sections titled: 1. Introduction 2. Properties 2.1. Physical Properties 2.2. Chemical Properties 3. Development of the Sulfuric Acid Industry 3.1. Early Development 3.2. Further Development of the Nitrogen Oxide Process 3.3. Ascendency of the Contact Process 3.4. Raw Materials Usage 4. Production 4.1. Production by Contact Processes 4.1.1. Reaction Kinetics and Thermodynamics 4.1.2. Catalysts 4.1.3. Process Summary 4.1.3.1. Gas Drying 4.1.3.2. Catalytic Oxidation of Sulfur Dioxide 4.1.3.3. Absorption of Sulfur Trioxide 4.1.3.4. Acid Cooling 4.1.4. Practical Versions of the Contact Process 4.1.4.1. Double‐Absorption Process Based on Sulfur Combustion 4.1.4.2. Double‐Absorption Processes Based on Metallurgical Gases 4.1.4.3. Ordinary Single‐Absorption Processes 4.1.4.4. Wet‐Catalysis Processes 4.1.5. Tail‐Gas Treatment 4.1.6. Economic Factors 4.2. Production by Nitrogen Oxide Processes 4.3. Regeneration of Spent Sulfuric Acid 4.3.1. Introduction 4.3.2. Reconcentration to 70 ‐ 75 % H 2 SO 4 4.3.3. Concentration to 93 ‐ 98 % H 2 SO 4 4.4. Production of Oleum 5. Construction Materials 5.1. Metallic Materials 5.2. Nonmetallic Materials 6. Uses of Sulfuric Acid and Economic Aspects 6.1. Indirect Uses 6.2. Direct Uses 6.3. Economic Aspects 7. Analytical Techniques 7.1. Concentration Measurement 7.2. Measurement of Impurities 7.3. Analysis of Acid‐Plant Gas Streams 8. Sulfur Trioxide 8.1. Properties 8.2. Manufacture 8.3. Handling and Uses 9. Toxicology 9.1. Sulfuric Acid 9.2. Sulfur Trioxide 10. Acknowledgement

No abstract