contact process


contact process:

see sulfuric acidsulfuric acid,
chemical compound, H2SO4, colorless, odorless, extremely corrosive, oily liquid. It is sometimes called oil of vitriol. Concentrated Sulfuric Acid

When heated, the pure 100% acid loses sulfur trioxide gas, SO3
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contact process

[′kän‚takt ‚präs·əs] (chemical engineering) Catalytic manufacture of sulfuric acid from sulfur dioxide and oxygen.