…When there is a high demand for gasoline, the residual oil obtained from the atmospheric distillation unit is distilled under reduced pressure, and the resulting vacuum diesel is put into a catalytic cracking unit to increase gasoline production. In addition, propylene, butylene, isobutane, and other raw materials obtained from the catalytic cracking unit are polymerized or alkylated to produce polymer gasoline (polymer gasoline) or alkylate (iso-octane). These also serve as a source of blending materials for gasoline. … *Some of the terminology that refers to "polymer gasoline" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…ガソリンの需要が多いときは,常圧蒸留装置から得られる残油を減圧蒸留し,得られた減圧軽油を接触分解装置にかけ,ガソリンを増産する。また接触分解装置から得られるプロピレン,ブチレン,イソブタンなどを原料として重合,あるいはアルキル化反応を行い,重合ガソリン(ポリマーガソリンpolymer gasoline)あるいはアルキレート(イソオクタン)を生産することも行われる。これらもまたガソリン用の混合材源となる。… ※「polymer gasoline」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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