V?V?v0kCA0?xA0vdxA?0(1?xA)(a?xA)kCA0?xA01?11????dxAa?1?1?xAa?xA?
?v01a?xA?10?ln100?ln1.0001??ln?ln??kCA0(a?1)?1?xAa?1.512?0.99?1.0101
57. (A) (P) (S)
V?60.8(m3)
k3?C6H4Cl2k1?C6H5Cl?C6H6???
dCAdCP??k1CA?k1CA?k2CPdtdt反应速度；
，在恒温恒容下求(a)平推流(b)全混流,求
SP，其中
?1k1?1.0(h?1),k2?0.5(h),Vv0???1(h),CP0?CS0?0,CA0?1mol/l。
解:(a)
CA?CA0exp[?k1?]?0.368mol/l
CP?k1CA01k?0.501?k2(e?k2??e?k1?)=1?0.5(e?e?1.)=0.477mol/?
CS?CA0?(CA?CP)?1?(0.368?0.477)=0.155mol/l
?SCPP?0.477CS=0.155=3.08
(b)
?v0(CA0?CA)=K1CAV
?CCA0CA0A?1?k1?=1?K1 (K1?k1?)
v0CP?V(k1CA?k2CP)
Ck1CA?k1CA0?P?∴
1?k2?=?1?k1???1?k2??
CA=0.5mol/l CP=0.333mol/l CS=0.167mol/l
SCPP?CS=2.0
58. (A) (P) (S)
C6H6??k1?C6H5Cl??k3?C6H4Cl2
?dCA?kdCP反应速度dt1CA?k；dt1CA?k2CP，在恒温恒容下求等容积的两釜串联全混流反应器内进行这一反应
时,求目的产物P的选择性k.0(h?1)k?11?1,2?0.5(h),Vv0???1(h),CP0?CS0?0,CA0?1mol/l解：等容积釜串联应有
???1??2 ?1??2?1/2??0.5h
对第二个全混流反应器作物料衡算
V0(CA1?CA2)?k1CA2V2
CCA1CA0A2?∴
1?k1?2=(1?K1)2
K1?k1?1?k1?2?0.5
对于P:
V0(CA1?CA2)?V2(k1CA2?k2CP2)