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.

Definition of Raschig process in US 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.

单词	Raschig process
释义	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. Definition of Raschig process in US 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.
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