Industrial equilibria: Contact Process
Lesson 10 / 17
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I can describe the Contact Process for the production of sulfuric acid, explain the importance of each step, and describe the conditions used.
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The Contact Process involves the production of sulfur trioxide (SO₃) from sulfur dioxide (SO₂) using a catalyst.
The process has three main stages: burning sulfur to produce SO₂, converting SO₂ to SO₃, then converting SO₃ to H₂SO₄.
The conversion of SO₂ to SO₃ is a reversible reaction performed at 1-2 atmospheres and 450°C, using a V₂O₅ catalyst.
Sulfuric acid production is energy-intensive and releases large amounts of CO₂, contributing to global emissions.
Sulfuric acid is vital for various industries, such as: fertilisers, chemical manufacturing, and petroleum refining.
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