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What is Contact Process for Sulphuric Acid about?

The contact process produces sulphuric acid through three main stages: 1) Sulphur or sulphide ores are burned in air to produce sulphur dioxide. 2) Sulphur dioxide and oxygen are reacted at 400-450°C and 1-2 atm pressure over a V2O5 catalyst to produce sulphur trioxide. 3) Sulphur trioxide is dissolved in concentrated sulphuric acid to form oleum, which is then diluted with water to produce concentrated sulphuric acid.

Author

Andrew-popcornplaya Farr

Language

EN