Ostwald process - Ostwald method
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This is an industrial method for producing nitric acid by oxidation of ammonia. It was invented by FW Ostwald. A mixture of ammonia and air is reacted at high temperatures over a platinum or platinum-rhodium catalyst to produce nitrogen oxide NO, which is then oxidized at low temperatures to nitrogen dioxide NO2 , which is then absorbed in water to produce nitric acid. Currently, most nitric acid is produced using this method. → Related article Ostwald Source : Heibonsha Encyclopedia About MyPedia Information |
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アンモニアの酸化による硝酸の工業的製法。F.W.オストワルトの発明。アンモニアと空気の混合気体を高温で，白金または白金‐ロジウム触媒上で反応させて酸化窒素NOをつくり，これを低温で酸化して二酸化窒素NO2とし，水に吸収させて硝酸にする。現在，硝酸の製造はほとんどこの製法による。 →関連項目オストワルト 出典 株式会社平凡社百科事典マイペディアについて 情報 |
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