将商品Y型沸石用HCl处理后,运用X射线粉末衍射,透射电镜和扫描电镜、红外光谱及27Al和29Si魔角旋转核磁共振对其进行了表征.结果表明,酸处理后Y沸石接近无定形,其长程有序性遭到破坏,但还保留部分局部结构.以不同浓度酸处理后的Y沸石为前驱体,在150℃,0.3 mol/L NaOH条件下采用蒸汽辅助干胶转化法进行二次晶化,可以获得丝光沸石,其相纯度与前驱体的Si/Al密切相关.随Si/Al比不同,所得丝光沸石形貌由纳米针状堆积逐渐向微米单块状变化,且其比表面积可达400 m2/g以上,微孔孔容在0.19 cm3/g.
参考文献
| [1] | 徐如人;庞文琴.分子筛与多孔材料化学[M].北京:科学出版社,2004:356. |
| [2] | Suboti(c) B;(S)krti(c) D;(S)mit I;Sekovani(c) L .[J].Journal of Crystal Growth,1980,50:498. |
| [3] | Suboti(c) B;Sekovani(c) L .[J].Journal of Crystal Growth,1986,75:561. |
| [4] | Suboti(c) B;(S)mit I;Mad(z)ija O;Sekovani(c) L .[J].Zeolites,1982,2:135. |
| [5] | Zones S I .[J].JChem Soc Faraday Trans,1991,87:3709. |
| [6] | Zones S I;Yuen L T;Nakagawa Y;van Nordstrand R A,Toto D D.[A].Boston:Butter worth-Heinemann,1993:163. |
| [7] | Girnus I;Hoffmann K;Marlow F;Caro J Doring G .[J].Microporous Materials,1994,2:543. |
| [8] | Kubota Y;Maekawa H;Miyata S;Tatsumi T Sugi Y .[J].Microporous and Mesoporous Materials,2007,101:115. |
| [9] | Ahedi R K;Kubota Y;Sugi Y .[J].Journal of Materials Chemistry,2001,11:2922. |
| [10] | Jon H;Takahashi S;Sasaki H;Oumi Y Sano T .[J].Microporous and Mesoporous Materials,2008,113:56. |
| [11] | Itakura M;Inoue T;Takahashi A;Fujitani T Oumi Y Sano T .[J].Chemistry Letters,2008,37:908. |
| [12] | Inoue T;Itakura M;Jon H;Oumi Y Takahashi A Fujitani T Sano T .[J].Microporous and Mesoporous Materials,2009,122:149. |
| [13] | Pérez-Romo P;Armendáriz-Herrera H;Valente J S;Guzmán-Castillo M D L Hernández-Beltrán F Fripiat J J .[J].Microporous and Mesoporous Materials,2010,132:363. |
| [14] | Pacheco-Malagón G;Pérez-Romo P;Sánchez Flores N A;Guzmán-Castillo M L Lopez-Franco C Saniger J M Hernandez-Beltran F Fripiat J J .[J].Inorganic Chemistry,2006,45:3408. |
| [15] | Pacheco-Malagón G;Pérez-Romo P;Sánchez Flores N A;Guzmán-Castillo M Lopez C Saniger J M Hernandez Beltran F Fripiat J J .[J].Inorganic Chemistry,2005,44:8486. |
| [16] | Guzmán-Castillo M L;Armendá-Herrera H;Pérez-Romo P;Hernandez-Beltran F Ibarra S Valente J S Fripiat J J .[J].Microporous and Mesoporous Materials,2011,143:375. |
| [17] | 徐如人;庞文琴.分子筛与多孔材料化学[M].北京:科学出版社,2004:172. |
| [18] | Szostak R.Handbook of Molecular Sieves[M].New York:Van Nostrand Reinhold Company Inc,1992:343. |
| [19] | Sanhueza V;Kelm U;Cid R .Synthesis of mordenite from diatomite: a case of zeolite synthesis from natural material[J].Journal of Chemical Technology & Biotechnology,2003(5):485-488. |
| [20] | Zhang L;van Laak A N C;de Jongh P E;de Jong K P .[J].Microporous and Mesoporous Materials,2009,126:115. |
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%