Acids and Alkalis
Manufacture of Sulfuric Acid - The Contact Process.
The Effect of Pressure on the Formation of Sulfur Trioxide.
The formation of sulfur trioxide is reversible.
sulfur dioxide + oxygen sulfur trioxide
2SO2(g) + O2(g) 2SO3(g)
the pressure will increase the rate of the
and increase the amount of sulfur trioxide in the equilibrium mixture.
A high pressure will give the best yield of sulfur trioxide.
The reaction is run at between 1 and 2
which gives 99% conversion of sulfur dioxide to sulfur trioxide.
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