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为了制取氢和合成气,烃类的催化反应动力学,到目前为止,研究得还是很不够的。在常压下,使用由氧化铬活化过的镍催化剂(以2—3毫米的耐火粘土块作为载体),以流动法,对反应速度(CH_4:H_2O=1:1-1:3)进行了研究(温度范围为400～700℃,接触时间为0.008～0.06秒)。对于总的反应,提出下列动力学方程式:ω=K(P_(CH_4)P_(H_2O))/(10P_(H_2)+P_(H_2O)) (11—6)式中:ω—反应速度,毫米汞柱/秒K—反应速度常数P_(CH_4),P_(H_2O),P_(H_2)—相应组份的分压,毫米汞柱
In order to produce hydrogen and syngas, the catalytic kinetics of hydrocarbons has so far been poorly studied. The reaction rate (CH_4: H_2O = 1: 1: 1: 3) was carried out by a flow method at atmospheric pressure using a chromium oxide activated nickel catalyst (with 2-3 mm refractory clay mass as support) Study (temperature range of 400 ~ 700 ℃, contact time of 0.008 ~ 0.06 seconds). For the overall reaction, the following kinetic equation is proposed: ω = K (P_ (CH_4) P_ (H_2O)) / (10P_ (H_2) + P_ (H_2O)) (11-6) where ω is the reaction rate in millimeters Hg / s K-reaction rate constant P_ (CH_4), P_ (H_2O), P_ (H_2) - partial pressure of the corresponding components, mmHg