Aromatization reaction - aromatization reaction

Japanese: 芳香族化反応 - ほうこうぞくかはんのう(英語表記)aromatization reaction
Aromatization reaction - aromatization reaction
A reaction to synthesize aromatic hydrocarbons. Aromatic hydrocarbons are produced using naphtha fractions of petroleum as a raw material, and the methods for producing them can be broadly divided into two types. The first is the catalytic reforming reaction of naphtha, in which the paraffinic hydrocarbons (alkanes) contained in naphtha are dehydrogenated and cyclized to form cyclohexanes, which are further dehydrogenated to produce aromatic hydrocarbons. An example of this is the reaction to produce methylcyclohexane and toluene from n -pentane C7H16 . This aromatization reaction is carried out under conditions of approximately 500°C and a pressure of 10 to 35 atmospheres, using a catalyst made of platinum supported on acidic alumina.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:
芳香族炭化水素を合成する反応。芳香族炭化水素は石油のナフサ留分を原料としてつくられているが,その方法は2種類に大別される。第1はナフサの接触改質反応であって,ナフサ中に含まれるパラフィン系炭化水素(アルカン)が脱水素環化してシクロヘキサン類となり,これがさらに脱水素して芳香族炭化水素が生成する。たとえば,n‐ペンタンC7H16からメチルシクロヘキサン,トルエンをつくる反応はこの例である。この芳香族化反応は,白金を酸性アルミナに担持した触媒を用いて,約500℃,圧力10~35気圧の条件下で行われる。

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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