Definition of Raschig process in English:

Raschig process

noun

Chemistry
  • 1A process for the industrial production of phenol in which benzene vapour is heated with hydrogen chloride and air over a copper-containing catalyst to yield chlorobenzene, which is then hydrolysed to yield phenol.

  • 2A process for the industrial production of hydrazine from sodium hypochlorite and ammonia.

  • 3A process for the industrial production of hydroxylamine in which ammonium nitrate is converted to hydroxylamine disulphonate and then to hydroxylamine sulphate.

Origin

1920s; earliest use found in Gas World.