…This method is still practiced on an industrial scale by South Africa's Sasol, but the liquid fuel produced is mainly paraffinic hydrocarbons, which are suitable for diesel fuel, but the gasoline fraction has the disadvantage of having a low octane number as is. Therefore, the MTG process was developed in the 1970s to first produce methanol from synthesis gas, and then use the methanol to produce high-octane gasoline. A special synthetic zeolite called ZSM-5 is used in the methanol-to-gasoline conversion process. … *Some of the terminology used in relation to the "MTG Method" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…この方法は現在も南アフリカ共和国のサゾール社で工業的規模において実施されているが,生産される液体燃料は主としてパラフィン炭化水素で,ディーゼル軽油としては好適であるが,ガソリン留分はそのままではオクタン価が低い欠点がある。そこで,合成ガスからひとまずメタノールを製造し,メタノールから高オクタン価ガソリンを生産するMTG法が1970年代に開発された。メタノールからガソリンへの変換工程にはZSM‐5と呼ばれる特別な合成ゼオライト(沸石)が用いられる。… ※「MTG 法」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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