1. 脱硅重组装法制备 ZSM-5/MCM-41 复合分子筛 及其催化裂解性能研究 报告人：那金丹 指导老师：王莅 教授 Alkali Treatment CTAB Crystallize

2. 2011 年实验总结目前工作 计划与展望 报告内容

3. 2011 年实验总结 椭圆形孔，直通道 0.51×0.53nm 圆形孔，弯曲通道 0.53×0.56nm ≥1.5nm ZSM-5MCM-41 优点：比表面积大 稳性, 活性好 择形性 缺点：孔径小 阻碍扩散 优点：孔径均一, 可调 缺点：孔壁不定型 稳定性, 酸性差

4. ZSM-5/MCM-41 制备过程 Alkali Treatment CTAB Crystallize 变量 影响 主要工作： NaOH Concentration Crystallization Time Amount of Silica source Thickness and PSD of MCM-41 shell

5. Effect of NaOH Concentration Fig.1 (A) Small-angle XRD patterns and (B) wide-angle XRD patterns of the ZSM-5/MCM-41 composite XRD

6. Effect of NaOH Concentration Sample S total (m 2 /g)S external (m 2 /g)V total (cm 3 /g)V micro (cm 3 /g)d (nm) ZSM-5370690.1890.1300.54 ZCM-OH1.0-C124012190.260.0832.6 ZCM-OH1.5-C125683630.430.0933.0 ZCM-OH2.0-C124633410.350.0543.0 Fig. 2 N 2 adsorption-desorption isotherms (A) and pore size distributions (B) of ZSM-5 (a), ZMC-OH1.0-C12 (b), ZMC-OH1.5-C12 (c) and ZMC-OH- 2.0 -C12 (d) BET & PSD Table 1 Physicochemical properties of ZSM-5 and

7. Effect of Crystallization Time Fig.3 (A) N 2 adsorption-desorption isotherms and (B) pore size distributions of a: ZSM-5, b: ZMC-OH1.5-C12, c: ZMC-OH1.5-C24, d: ZMC-OH1.5–C36, e: ZMC-OH1.5–C48, f: ZMC-OH1.5–C60, g: ZMC-OH1.5–C72 SampleS total (m 2 /g)S external (m 2 /g)V total (cm 3 /g)V micro (cm 3 /g)d(nm) ZSM-5370690.1890.1300.54 ZCM-OH1.5-C125683630.430.0933.0 ZCM-OH1.5-C247005950.650.1103.7 ZCM-OH1.5-C365673610.500.0943.5 ZCM-OH1.5-C484221950.310.1002.9 ZCM-OH1.5-C603901530.270.1102.8 ZCM-OH1.5-C723801480.250.1102.6

8. 15 nm 50 nm18nm a b cd Fig.4 TEM images for a: ZSM-5, b: ZMC-OH1.5-C12, c: ZMC-OH1.5-C24, d: ZMC-OH1.5–C48

9. Catalytic Cracking of n-dodecane Temperature: 550 0 C Pressure: 4MPa Fig.5 Conversion versus TOS for coatings of ZSM-5, ZSM-5/MCM-41 and desilicated ZSM-5

10. 目前工作：不同模板剂制备 ZSM-5/MCM-41 复合分子筛 Fig. 6 (A) Small-angle XRD patterns and (B) wide-angle XRD patterns of the ZSM-5/MCM-41 composite prepared with different templates

11. N 2 -adsorption Fig. 7 N 2 adsorption-desorption isotherms (A) and pore size distributions (B) of ZSM-5/MCM-41 samples A B Fig. 8 pore size distributions of ZSM-5 /MCM-41 samples with single template (C) and dual-template (D) D

12. Sample (Si / Al)S BET (m 2 /g)S exter (m 2 /g) V total (cm 3 /g) V micro (cm 3 /g) d (nm) HF ZSM-5 (54)370.375668.97590.1854030.13450.82600.1351 HZM-C 10 (46.4)538.8080359.05520.36160.07612.68470.1402 HZM-C 12 (49.1)549.7440443.04770.42390.05343.08470.1015 HZM-C 14 (48.0)668.6308539.93490.62380.05393.73200.0700 HZM-C 16 739.4984609.76800.71890.05393.90000.0618 HZM-C 10 &C 16 (46.9)739.2631607.60900.79120.05574.28100.0579 HZM-C 12 &C 16 779.0871683.00620.77900.05724.00000.0644 HZM-C 14 &C 16 685.4143546.73260.64950.05923.79040.0727 BET 数据总结

13. TEM images of samples C 16 TAB C 10 TABC 12 TAB C 14 TAB C 10 & C16 C 12 & C16

14. 谢谢！ 请提出批评指正

15. a b c 50 nm d

16. e