Haber process
Haber process
Haber process
(ˈhɑːbə)| Noun | 1. | Haber process - an industrial process for producing ammonia from nitrogen and hydrogen by combining them under high pressure in the presence of an iron catalyst |
| 单词 | haber process | |||
| 释义 | Haber processHaber processHaber process(ˈhɑːbə)
Haber processHaber process(hä`bər), commercial process for the synthesis of ammoniaammonia,chemical compound, NH3, colorless gas that is about one half as dense as air at ordinary temperatures and pressures. It has a characteristic pungent, penetrating odor. ..... Click the link for more information. , NH3. Pure hydrogen and nitrogen gases are mixed in the appropriate proportion, heated to between 450°C; and 600°C;, compressed to about 1,000 atmospheres pressure, and passed over a catalyst. The reaction is 3H2+N2⇋ 2NH3+heat. The ammonia gas is liquefied by rapid cooling; unreacted nitrogen and hydrogen are returned to the reaction chamber. This process, developed by Fritz HaberHaber, Fritz , 1868–1934, German chemist. He was a professor of physical chemistry at Karlsruhe and became director of the Kaiser Wilhelm Institute at Dahlem in 1911. ..... Click the link for more information. in 1909, was the first commercially important high-pressure chemical process. Haber process[′hä·bər ‚prä·səs]Haber processHaber process
Synonyms for Haber process
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