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单词 Müller–Kühne process
释义
Müller–Kühne process

Chemical Engineering
  • A process used to produce sulphuric acid from calcium sulphate. It uses calcium sulphide to produce lime (CaO) and sulphur dioxide in the so-called Müller–Kühne reaction, which takes place in a kiln operated at 1,150ºC:

    CaS+3CaSO44CaO+4SO2

    It is named after German chemist inventors W. S. Müller and Hans Kühne (1880–1969) who developed the process in the First World War (1914–18) when Germany was unable to obtain imported supplies of iron pyrites used for making sulphuric acid.


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