how does the contact process help solve the problem of supplying sulfuric acid?
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Answer:
Contact process. Contact process, modern industrial method of producing sulfuric acid; it has largely replaced the chamber, or lead-chamber, process. Sulfur dioxide and oxygen, passed over a hot catalyst, unite to form sulfur trioxide, which in turn combines with water tomake sulfuric acid.
The major limitation of the contact process is that the purification of the air and sulphur dioxide (SO) is necessary to avoid catalyst poisoning (i.e. removing catalytic activities). It is overcome by trapping the SO.
The contact process is the current method of producing sulfuric acid in the high concentrations needed for industrialprocesses. Platinum used to be the catalyst for this reaction; however, as it is susceptible to reacting with arsenic impurities in the sulfur feedstock, vanadium(V) oxide (V2O5) is now preferred.
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