| 单词 | raschig process |
| 释义 | > as lemmasRaschig process Raschig process n. any of various industrial processes developed by Raschig, spec. (a) a 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; (b) a process for the industrial production of hydrazine from sodium hypochlorite and ammonia; (c) a process for the industrial production of hydroxylamine in which ammonium nitrate is converted to hydroxylamine disulphonate and then to hydroxylamine sulphate.extracted from Raschign.< as lemmas |
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