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反应工程第五章习题答案.pdf

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1、化学反应工程习题（第五章）5.1 乙炔与氯化氢在HgCl2-活性炭催化剂上合成氯乙烯的反应2223C HHClC H Cl()A()B()C其动力学方程式可有如下种种形式：(1)2(/)/(1)ABCAABBCCrp ppKKpK pKp(2)/(1)(1)ABABBBCCAArK Kp pKpKpKp(3)/(1)AABAABBrKp pK pK p(4)/(1)BABBBCCrKp pK pK p试说明各式所代表的反应机理和控制步骤。解：（1）AABBABC（控制步骤）CC（2）11AA22122111BBABCCC（控制步骤）（3）AABBABC（控制步骤）（4）BBABC（控制步骤）C

2、C5.2 在 Pd-Al2O3催化剂上用乙烯合成醋酸乙烯的反应为243222321C HCH COOHOCH COOC HH O2实验测得的初速率数据如下功刀等，化工志，71，2007（1968）.115,AcOH200pmmHg，292OpmmHg。24()C HpmmHg701001952473154655010(/)rmolhrg催化剂3.94.46.06.67.255.4注：1mmHg=133.322Pa如反应机理设想为2424242422423223232222O ()OO+AcOHAcOHC HC HAcOHC HHC H OAcOOHC H OAcOC H OAcHC H OAc

3、C H OAcHH控制步骤试写出反应速率并检验上述部分数据能与之符合否。解：243222321C HCH COOHOCH COOC HH O2（A）（B）（C）（E）（F）AAAVK PBBBVK PCCCVK P1DsABABVk K K P PEEEVK PFFFVK PAA1212DC2AA121102222323A1011(1)()()()1()VBBCCsABABEEFFssABABCCsBBCCsABABEEFFssABBCCAAAAABBCCsABBAAK PK PK Pk K K P PK PK Pk k K K P PK PrkK PK PK Pk K K P PK PK P

4、k k K K PK PPK PPrKK PKK PK PK PKk K K PPPr23AKK P计算0APr值如下表：24()C HpmmHg701001952473154655010(/)rmolhrg催化剂3.94.46.06.67.255.43010APr1.341.511.801.932.082.93文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6

5、V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A

6、10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:

7、CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 H

8、O6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC

9、7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编

10、码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6

11、 HO6V1W1X1E3 ZC7A10K9Y4F4以0APr对AP作图，基本上为一直线。上述数据与反应速度式基本符合。5.3某反应ARS，其动力学方程式为(/)/(1)AAARSAARRrkKpp pKKpK p试导出平推流式的等温积分反应管中转化率XA与 W/FAO的关系式。解：设总压不变且0000(0)ARSppp pp2111A000(1)(1)(1)1(1)(1)AAAAAAAAAAAApxxxpppyxxx同理：1ARsAxpppx将各 p 值代人题中给出的动力学方程式，并简化得：222(1)/()Ara xbxcxd式中：21pak1()/RAAbKKkKp2()/RAcKkKp1

12、()/AAdKkKpAxx并设Ar是以单位床层体积为基准的，反应管中堆积密度为Bp（不应存在密度项）。22222220000111fffxxxABWxxdbdxcdxddxFa xa xa x文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F

13、4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7

14、I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X

15、1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y

16、4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3

17、P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W

18、1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F42200000222112121121211lnln(1)212ffff

19、fxxxxxffffbxbxxdddxdxcdxdxdxaaxaaxa xaxaxaxbdca xbxaaxa5.4在 200下，苯在Ni 催化剂上加氢。已知催化剂微孔的平均孔径4.0mm，求总压分别为 0.1Mpa 及 3.5MPa 下氢的扩散系数。解：由陈甘棠（81 版）表 5.3-4 查得：266:/59.7:/412.3HkC Hk102.827105.349m设本系统可由苯与氢的二组分系统代表，则由（5.3-62）及（5.3-63）式，得：1/21/211()(2.8275.349)4.08822()(59.7412.3)157.0ABABABABkk故：/473/157.030.1

20、ABkT由表 5.3-3 查得：0.9483AB代入（5.3-61）式：2663/22211()0.8602.01678.110.001858(473)/(4.088)(0.9483)HC HDcmspp当 p=0.1MPa=1atm 时266220.860/0.860/1HC HDcmscms当 p=3.5MPa=35atm 时266220.860/0.02457/35HC HDcmscms至于努森扩散则由（5.3-65）式计算，它与总压是无关的。1/224739700(0.4)()59431.5/2.016KDcms由此可知，由于孔径较大，努森扩散的影响可以忽略。解法 2：由于孔径4mm

21、很大，因此直接用分子扩散的公式（参考朱炳晨的书）文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 Z

22、C7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档

23、编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y

24、6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3

25、 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4

26、文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I

27、6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F45.5异丙苯在催化剂上裂解而生成苯，如催化剂为微球状，dp=0.4cm，p=1.06g/cm3，p=0.52,Sg=350m2/g，求在 500，0.1Mpa 时，异丙苯的微孔中的有效扩散系数。设已知微孔的曲折因子=

28、3，异丙苯-苯的分子扩散系数为0.155cm2/s。解：742220.522.8 101.06 350 10gggpgVacmSS孔径很小属努森扩散区：732323332500273970097002.8106.8910/120116.6010/111/1/0.1556.89100.526.60101.1410/3kAkkABDeTDacmsMDcmsDDDDDcms迷宫因子是催化剂中的一种加速或者减弱催化的酶的催化系数，这个系数决定了催化的速度。5.6 兹有直径为0.2cm 高 0.2cm 及直径为0.8cm 高 0.8cm 的两种催化剂粒子分别在等温的管中进行测试，填充体积为150cm3，

29、床层空隙率0.40，所用气体流量均为3cm3/s，粒子孔隙率均为 0.35，迷宫因子0.20，反应为一级不可逆，对直径为0.2cm 催化剂，达到的转化率为66%，而对直径为0.8cm 的催化剂则为30%，如气体密度不变，问：（1）这两种床层催化剂有效系数是多少？（2）气体真实的扩散系数为多少？解：（1）设等比表面当量球半径Rp1,Rp2：表面积/体积22224222423pPRRRRRRR，故PRR110.2/20.1PRRcm，220.8/20.4PRRcm，120.10.250.4PPRR一级反应催化剂有效系数与浓度无关，分别设为1，20000011ln(1)1AfAfxxpAAvAAfv

30、AfAdxdxcck cxkxr式中Ar，p均以催化剂粒子体积为基准：211ln1.07910.66pk，221ln0.35710.3pk文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1

31、E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4

32、F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P

33、7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1

34、X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9

35、Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I

36、3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4121212/3.02/0.25PPRR根据式（5.3-91）计算，311()tansss，用试差法求得：13.29213.1

37、610.63720.211此算法均是将圆柱子化作当量球形求解。（2）11.079vpk（或20.357p）0(1)1500.630()3RpVsV21.0795.65 10(1/)300.637vks由式（5.3-78）222521215520.15.65 105.22 10/3.2920.2 5.22 102.98 10/0.35PveepR kDcmsDDcms5.7 某组分 A 在 540下的催化剂上反应，其速率式为132()8.3610AArp/mols g催化剂A的单位为Pa。如催化剂颗粒的密度为0.8g/cm3，当量直径为0.3cm，颗粒外表面上A 的分压为 pA,s=1.2104

38、Pa，A的组分在粒内的扩散系数为0.020cm2/s,求催化剂的有效系数。解：用浓度表示时13222()8.36 10()ApAvArRTck cPV=nRT故：-rA1322528.3610(0.80)(8.314813)3.055610vAAkcc又 R=0.3cm 代入（5.3-77）543.0556101.2100.30.015628.3148130.02vAsvAsseek ck pRRDRTD于是从图5.3-11 中查得：=0.91 5.8 某一加氢化反应，在0.2Mpa 及 80下进行，如粒子的p=1.16g/cm3，e=1.06510-1 w/mK，H2在粒内的扩散系数De=3

39、.0 10-2cm2/s,反应热 H=-180Kj/mol，反应的活化能为62.8Kj/mol，如反应组分在进料气中占20%，而用无内扩散影响的细粒子测得的反应速率为10 10-7mol/s g 催化剂，试估算粒度为dp=1.30cm 时的反应速率。解：2211()()AAseAseAsRRrrADcDc式中()Asr为以粒子体积为基准的粒子表面反应速度。文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4

40、F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P

41、7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1

42、X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9

43、Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I

44、3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1

45、W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10

46、K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F43227233312120%0.0069/0.082(27380)1.3()112()10101.162.373100.006910()180100.0069100.0721.4651010(27380)62.8100021.48.314(27380)AAsAseAseAsespcmolmRTRArDcH D cTErRT。由0.072，2.37在图 5.3-16 上试查得2，1.3。5.9 有一气-固相非催化反应()A g2()B s()R s已知固体颗粒直径为2cm，颗粒表面的分压为0.09Mpa

47、，反应速率由灰层内A 的扩散所控制，该扩散系数为0.020cm2/s。如用缩核模型，求当B 转化到40%及 80%时所需的时间和当时的反应速率。解：由题意可得，反应速率由灰层内扩散所控制，且为缩核模型：简化222264()(210/2)8.31426662210910BBBeAgeAgdRTRTbD cbD p又2/313(1)2(1)AAtxx2/34412/344213(1 0.4)2(1 0.4)0.80573.85 103.10 101 3(10.8)2(1 0.8)1.13 3.85 104.36 10BBBBtTTtTT又31()cArxR，当0.4Ax时，30.41()crR10

48、.1687cr应为 rB当0.8Ax时，30.81()crR10.1170cr5.10 一含有 15%反应组分A 和 85%惰性组分的混合气体在总压0.2Mpa 下通过含反应组分B2.610-6mol/cm3的 60恒温液体，已知在该条件下，反应器中的持液率为0.85，比表面积为 2.8cm2/cm3,传质系数kLA=0.066cm/s，扩散系数DLA=2.0 10-5cm2/s，亨利常数HA=1.18107Pa/mol/l,化学反应速率式318.4/AABrc c molcms如气相传质阻力可以忽略，而液相中A的传质阻力需加考虑，问这时以单位容积计的反应速文档编码:CG5I3P7I6Y6 H

49、O6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC

50、7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编码:CG5I3P7I6Y6 HO6V1W1X1E3 ZC7A10K9Y4F4文档编

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