...By improving and devising catalysts and reaction procedures, the selectivity of acrylonitrile production has gradually improved, and currently, only 0.025 kg of acetonitrile and 0.05 kg of hydrogen cyanide are produced as by-products per 1 kg of acrylonitrile. The synthesis of hydrogen cyanide by ammoxidation of methane is also called the Andrussow process. Platinum or a platinum-rhodium alloy is used as a catalyst, and the reaction is carried out at high temperatures of 800 to 1000 °C. ... *Some of the terminology that refers to the "Andrussow process" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…触媒や反応操作の改善,工夫によってアクリロニトリルの生成選択性はしだいに向上し,現在はアクリロニトリル1kgあたりアセトニトリル0.025kg,シアン化水素0.05kgを副生するにすぎない。 メタンのアンモ酸化によるシアン化水素合成はアンドルソフ法Andrussow processとも呼ばれる。触媒としては白金または白金‐ロジウム合金が用いられ,800~1000℃の高温下で反応を行う。… ※「Andrussow process」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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