1、苯高温分解P9应用举例 苯的高温分解本教程介绍以苯在活塞流反应器中的高温裂解反应为例,对 Aspe n Plus进行了介绍。以下的三页将对该过程和相关数据进行详细说明。联苯(C12H10)是工业生产中一种重要中间体,它的一种生产方法是由苯(C6H6)经高温裂解脱 氢制得。在该过程中,还可能经过第2个反应式得到三联苯。具体反应式如下: 2C何二JH厂比(2) C6H6+C12Hk C1H14 +H3以符号表示上式中各项: A = C6H6, B = C12H10, C = C18H14,D = H2Murhpy, Lamb and Wats on对这些最初由Kassell提出的相关反应进行了实验
2、并对数据进行了报导。在这些实验中,液相苯蒸发,加热到到反应温度然后进到活塞流反应器 (PFR)。产品物流经浓缩后分析检测其中的不同组分,实验结果在表 2中列出。表2 P=1atm下的实验数据温度(F)流速(lbmole/hr)yAyBycyD14000.06820.84100.06950.006800.083012650.02100.82800.07370.008120.090012650.01050.70400.11300.022970.159012650.00700.62200.13220.038150.208512650.00530.56500.14000.051900.24401265
3、0.00350.49900.14680.069100.284712650.00300.48200.14770.074000.296012650.00260.47000.14770.078100.304012650.00070.44300.14760.087000.322012650.00030.44300.14760.087000.3220补充数据:A = C6H6 B = C12H10 C = C18H14 D = H2反应管直径:L = 37.5 in, D = 0.5 in速率方程:PE - P:PD具体反应速率常数:E,枕gP(-方7)E.L = a2 exp()RT平衡常数:1/1h
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