单击此处编辑母版标题样式,,单击此处编辑母版文本样式,,第二级,,第三级,,第四级,,第五级,,,习题4-1解答,已知：,CSTR，V,R,=100L，V,0,=10L/min求解：,F（0~1）；F（2~10）；F（30~∞）,解：,根据,其中,所以,,,习题4-2 解答,已知：,求解：（1）平均停留时间；,（3）,PFR-CSTR,串联，停留时间分别为0.4,ks,和0.8,ks,时,,的转化率串联顺序相反后转化率？,解：（1）,,,（2）根据,,CSTR：,PFR：,（3）,PFR-CSTR,串联,,CSTR：,PFR：,（3）,CSTR-PFR,串联,,习题4-3 解答,t,/s,0,48,96,144,192,240,288,336,384,432,c,0,0,0,0.1,0.5,10,8,4,0,0,脉冲法结果,（1）计算平均停留时间；,,（2）一级反应， ， ，求平均转化率；,,（3）分别采用,CSTR，PFR，,平均停留时间相同，反应结果解：（1）根据：,,t,c,(,t,),c,(,t,),t,Δ,t,c,(,t,)Δ,t,E,(,t,)×10,5,E,(,t,)Δ,t,tE,(,t,),0,0,0,0,,,,,48,0,0,48,0,0,0,0,96,0,0,48,0,0,0,0,144,0.1,14.4,48,4.8,9.22,0.00442,0.0133,192,0.5,96,48,24,46.09,0.0221,0.0885,240,10,2400,48,480,921.83,0.4425,2.2124,288,8,2304,48,384,737.46,0.3540,2.1239,336,4,1344,48,192,368.73,0.1770,1.2389,384,0,0,48,0,0,0,0,432,0,0,48,0,0,0,0,Σ,22.6,6158.4,,1084.8,2083.33,1.0000,5.6770,,（2）,根据,,t,0,48,96,144,192,240,288,336,384,432,x,(,t,),0,0.3,02,0.5,13,0.6,60,0.7,63,0.8,35,0.8,85,0.92,0,0.9,44,0.96,1,,（3）平均时间相同时的,CSTR,和,PFR,的转化率,CSTR：,PFR：,,习题4-4 解答,已知：,,t,/s,1,2,3,4,5,6,8,10,15,20,30,41,52,67,c,9,57,81,90,90,86,77,67,47,32,15,7,3,1,求解：（1）平均停留时间和方差；（2）多釜串联的转化率。
解：,（1）根据,,,t,c,(,t,),c,(,t,),t,Δ,t,c,(,t,)Δ,t,E,(,t,),E,(,t,)Δ,t,tE,(,t,)Δt,t,2,E,(,t,)Δ,t,1,9,9,1,9,0.0066,0.0066,0.0066,0.0066,2,57,114,1,57,0.0416,0.0416,0.0832,0.1663,3,81,243,1,81,0.0591,0.0591,0.1772,0.5317,4,90,360,1,90,0.0656,0.0656,0.2626,1.0503,5,90,450,1,90,0.0656,0.0656,0.3282,1.6411,6,86,516,1,86,0.0627,0.0627,0.3764,2.2582,8,77,616,2,154,0.0562,0.1123,0.8986,7.1889,10,67,670,2,134,0.0489,0.0977,0.9774,9.7739,15,47,705,5,235,0.0343,0.1714,2.5711,38.5667,20,32,640,5,160,0.0233,0.1167,2.3341,46.6813,30,15,450,10,150,0.0109,0.1094,3.2823,98.4683,41,7,287,11,77,0.0051,0.0562,2.3027,94.4106,52,3,156,11,33,0.0022,0.0241,1.2516,65.0853,67,1,67,15,15,0.0007,0.0109,0.7330,49.1138,Σ,662,5283,,1371,,1.0000,15.5850,414.9431,,,（2）多釜串联反应器的转化率,,同体积、同温度和操作条件下，多釜串联转化率为,其中：,,习题4-7 解答,CSTR：,已知：,求解：（1）平均转化率；,,（2）若转化率低于30%为不合格，计算不合格产品所,,占分率；,,（3）若,CSTR-CSTR,串联（总体积不变），试计算不,,合格产品的百分数。
解：根据,,（1）平均转化率,,（2）当转化率为30%的反应时间和分率为,,其中：,结果表明：采用,CSTR-CSTR,串联（总体积不变）时，,,产品不合格率有所下降3）若,CSTR-CSTR,串联（总体积不变），试计算不合格,,产品的百分数在直径为,10cm,，长为,6.36m,的管式反应器中进行一级反应,A,→P,，已知反应速率常数,k,= 0.25 s,-1,，反应器示踪实验结果：,t,/s,,0,1,,2,,3,4,5,6,7,8,9,10,12,14,c,,0,,1,5,8,10,8,6,4,3,2.2,1.5,0.6,,0,求分别用（,1,）轴向混合模型；（,2,）平推流模型；,,（,3,）单个,CSTR,模型；（,4,）多级串联全混流模型；,,计算转化率，并对结果进行讨论习题4-,9,解答,,t,c,(,t,),Δ,t,c,(,t,)Δ,t,E,(,t,),E,(,t,)Δ,t,tE,(,t,)Δt,t,2,E,(,t,)Δ,t,0,0,1,0,0.0000,0.0000,0.0000,0.0000,1,1,1,1,0.0200,0.0200,0.0200,0.0200,2,5,1,5,0.1002,0.1002,0.2004,0.4008,3,8,1,8,0.1603,0.1603,0.4810,1.4429,4,10,1,10,0.2004,0.2004,0.8016,3.2064,5,8,1,8,0.1603,0.1603,0.8016,4.0080,6,6,1,6,0.1202,0.1202,0.7214,4.3287,7,4,1,4,0.0802,0.0802,0.5611,3.9279,8,3,1,3,0.0601,0.0601,0.4810,3.8477,9,2.2,1,2.2,0.0441,0.0441,0.3968,3.5711,10,1.5,1,1.5,0.0301,0.0301,0.3006,3.0060,12,0.6,2,1.2,0.0120,0.0240,0.2886,3.4629,14,0,2,0,0.0000,0.0000,0.0000,0.0000,Σ,49.3,,49.9,,1.0000,5.05,31.22,,解：,,（,1,）轴向混合模型,,（,2,）,平推流模型,CSTR：,PFR：,（,3,）单个,CSTR,,（,4,）,多级串联全混流模型,mCSTR,：,,。