(4)??(75.3?30)(0.4?2.68?0.6?4.19)?0.4?1055?0.6?232.
0.4?1055?0.6?2320?1.094
(5)精:
y?Rx?XdR?1R?1?34x?0.9 4?0.75x?0.225y??x?xf??1??1进:???0.8 ??
???1.0????1.2?y??4x?0.25 ??y?xf?0.5 ??y?6x?2.5 （6）
y?1.5x1?0.5x
y?1.20.0.2x?40.2 x??0.42 y??0.52 1RminR?0.95?0.521 min?10.95?0.42 Rmin?4.30 （8）
y?0.75x?0.21y??0.5x?0.66
? ? ??1??0.5 1.5xf?0.66 ??13 xf?0.4426
交点x?0.36 y?0.48 (10)
y?0.833x?0.15
y1?xd?0.898y3.0x*11?2.0x* 1?10.898?3.0x*12.0x* 1?1 x*1?0.746
x0?x1x?x*?0.898?x1?0.746?0.6 010898 x1?0.806
y?0.833?0.806?0.15?0.821
27
第八章 化学反应工程基本原理
28
P340 （1）
?dpA?2.58?10?6p2AdtpA???p2Ah1?1???p??hA
pv?nRtnp??cvRt(?dpA)?kpp2Adtd(cARt))?kp(cARt)2dtd(cA)2)?kpc2Rt?kccAAdt(?(?kc?kpRt?2.58?10?6?8.314?450?9.65?10?3m3?kmol?h?1
?3?1kcc2?kmol?m?hA???(kmol)2?kmol?m?3?h?1 3?m???m3?kmol?1?h?1（2）
29
C2H6?C2H4?H2yA,0?1.0000yA?0.0900?A?s?r?a1?1?1??1 a1yA,0?yAxA?yA,0(1??AyA)1?0.09?83.5%1?(1?1?0.09)?或
yA?yA,0(1?xA)1??AyA,0xAyA,0?yA?xA?yA,0(1??AyA)?1?0.09?83.5%1?(1?1?0.09)
3
4NH3?5O2?4NO?6H2O?Q(主)4NH3?3O2?2N2?6H2O?Q(副)8NH3?8O2?4NO?2N2?12H2O?Q
?A?4?2?12?8?81?84yA,0?yAxA?yA,0(1??AyA)0.1152?0.0022?98.1152?(1??0.0022)4?设n0=1，则nA0=0.1152
yA?nA,0(1?xA)nnA,0(1?xA)yA?n??0.1152(1?0.98)?1.04730.0022?nA?0.1152?0.0023?0.1129
?nO2?0.2304?1.0473?0.087?0.139330