Sulphuric acid production
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Sulphuric acid production
Sulphuric acid production. Schematic diagram of the Contact Process to make sulphuric acid from sulphur. Sulphur (yellow) enters a roasting tower on a conveyor belt (far left). The air supply from bottom produces sulphur dioxide (orange), which is piped to the oxidising tower (centre). Catalytic oxidation (450 degrees Celsius and 1-2 atmospheres of pressure) occurs in the presence of vanadium pentoxide (red) to produce sulphur trioxide gas (yellow, more air supplied from bottom). This is then pumped into a tank of concentrated sulphuric acid (green, final stage, right). The sulphur trioxide dissolves in the sulphuric acid to form oleum (fuming sulphuric acid, dark green), which is diluted to form sulphuric acid (bottom right)
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Media ID 6439453
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Acid Catalysis Catalyst Catalytic Chemical Engineering Chemical Plant Chemical Reaction Diagram Engineering Factory Manufacturing Procedure Producing Production Schematic Sulphur Sulphuric Acid Computer Artwork Sulfuric Acid
EDITORS COMMENTS
This print showcases the intricate process of sulphuric acid production. The schematic diagram provides a comprehensive overview of the Contact Process, which is employed to convert sulphur into this essential chemical compound. Beginning on the far left, we witness yellow sulphur entering a roasting tower via a conveyor belt. The air supply from the bottom initiates the formation of orange-coloured sulphur dioxide, which is then piped to the oxidising tower located at the center of this industrial setup. Here, catalytic oxidation takes place under specific conditions: 450 degrees Celsius and 1-2 atmospheres of pressure. This reaction occurs in the presence of red vanadium pentoxide, resulting in the production of yellow sulphur trioxide gas. Moving towards completion, this gaseous substance is pumped into a tank filled with concentrated green sulphuric acid - representing its final stage on our journey through this manufacturing process. As it enters contact with sulphuric acid within this tank, oleum (fuming sulphuric acid) forms and appears as dark green liquid. To achieve its desired concentration level for various applications, oleum undergoes dilution to ultimately become pure and potent sulphuric acid - depicted in our image's bottom right corner. This detailed illustration beautifully captures every step involved in producing one of industry's most vital chemicals. It serves as an excellent visual aid for those interested in understanding and appreciating both technological advancements and chemical reactions that drive modern industrial processes.
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