Noun
English Wikipedia has an article on:contact processWikipedia
contact process
(inorganic chemistry) The industrial process for the manufacture of sulfuric acid from sulfur and oxygen
Vanadium (V) oxide (in the contact process ), finely divided iron (in the Haber process ), and nickel (in catalytic hydrogenation ) are some of the examples. Source: Internet
Production Sulfur dioxide is primarily produced for sulfuric acid manufacture (see contact process ). Source: Internet