采用阳离子表面活性剂十六烷基三甲基溴化铵为模板剂,以正硅酸乙酯为硅源,以硫酸铝为铝源,水热合成了以催化油浆窄馏分为添加剂的高比表面积Al-MCM-41介孔分子筛,并利用XRD,HREM,TG-DTA及N2吸附-脱附等测试手段对合成样品进行了表征. 合成的Al-MCM-41分子筛的比表面积和孔体积分别达到1295 m2/g和1.5 cm3/g,其平均孔径为4.3 nm. 重点研究了Al-MCM-41分子筛结晶度、晶胞参数、比表面积、孔体积及平均孔径等结构性质随催化油浆窄馏分添加量及其组成的变化规律,并从合成机理上进行了解释.
参考文献
[1] | Beck J S;Vartuli J C;Roth W J;Leonowicz M E,Kresge C T,Schmitt K D,Chu C T-W,Olson D H,Sheppard E W,McCullen S B,Higgins J B,Schlenker J L .[J].Journal of the American Chemical Society,1992(114):10834. |
[2] | Kresge C T;Leonowicz M E;Roth W J;Vartuli J C,Beck J S .[J].Nature,1992,359(6397):710. |
[3] | 李守贵,房铭,庞文琴,刘纯晶,支志明.钌卟啉/MCM-41催化剂的制备、表征及性质[J].催化学报,1999(02):161-165. |
[4] | 银董红,李文怀,钟炳,彭少逸.中孔分子筛负载钴催化剂的制备及在费-托合成中的催化性能[J].催化学报,2000(03):221-224. |
[5] | 于健强,李灿,许磊,李美俊,辛勤,刘中民.以硅溶胶和三氯化钛为原料合成Ti-MCM-41分子筛 Ⅲ. Ti-MCM-41分子筛的催化活性[J].催化学报,2001(04):335-338. |
[6] | 马辉,何静,David G Evans,段雪.Ti-MCM-41催化剂的表面性质及介质极性对[J].催化学报,2001(05):475-478. |
[7] | Corma A;Kan Q;Navarro M T;Perez-Pariente J,Rey F .[J].Chemistry of Materials,1997,9(10):2123. |
[8] | Sayari A.;Jaroniec M.;Moudrakovski IL.;Kruk M. .New approaches to pore size engineering of mesoporous silicates[J].Advanced Materials,1998(16):1376-1379. |
[9] | Branton P J;Dougherty J;Lockhart G;White J W.Characterization of Porous SolidsⅣ[M].London:Royal Soc Chem,1997:668. |
[10] | Desplantier-Giscard D;Galarneau A;Di Renzo F.15eme reunion du Group Francais des Zeolithes[M].Carry Le Rouet:IFP,1999 |
[11] | Ulagappan N;Rao C N R.[J].Journal of the Chemical Society,Chemical Communications,1996(24):2759. |
[12] | Blin J L;Otjacques C;Herrier G;Su B-L .[J].Studies in surface science and catalysis,2000,129:75. |
[13] | Blin JL.;Herrier G.;Su BL.;Otjacques C. .Pore size engineering of mesoporous silicas using decane as expander[J].Langmuir: The ACS Journal of Surfaces and Colloids,2000(9):4229-4236. |
[14] | Herrier G;Blin J-L;Su B-L .[J].Langmuir,2001,17(14):4422. |
[15] | Sayari A;Yang Y;Kruk M;Jaroniec M .[J].Journal of Physical Chemistry B,1999,103(18):3651. |
[16] | Kunieda H;Ozawa K;Huang K-L .[J].Journal of Physical Chemistry B,1998,102(05):831. |
[17] | Chen C Y;Li H X;Davis M E .[J].Microporous Materials,1993,2(01):17. |
[18] | 于健强,李灿,许磊,李美俊,辛勤,刘中民.以硅溶胶和三氯化钛为原料合成Ti-MCM-41分子筛 Ⅱ. Ti-MCM-41分子筛的表征[J].催化学报,2001(04):331-334. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%