以氯化铝与氨水为原料,采用溶胶-凝胶法制备陶瓷膜溶胶,在微滤α-Al2O3支撑体上制备了γ-Al2O3超滤膜.考察了聚乙烯醇(PVA)对膜性能的影响.通过扫描电镜、气体和液体渗透和截留分子量等实验方法,对所制备的不对称超滤膜进行了表征.实验结果表明:用该法制备的氧化铝超滤膜,表面无裂纹和针孔等缺陷产生,孔径分布窄,平均孔径为8 nm左右,气体和液体渗透性稳定,对分子量约为6 000的PEG截留率为90%.
参考文献
| [1] | Hsieh H P .Inorganic Membranes[J].Aiche Symp Ser,1998,84:261. |
| [2] | 苏毅,胡亮,刘谋盛.无机膜的特性、制造及应用[J].化学世界,2001(11):604-607. |
| [3] | Larbot A;Fabre I P;Guizard C et al.Inorganic Membranes Obtained by Sol-Gel Techniques[J].Journal of Membrane Science,1998,39:203-212. |
| [4] | Chen D D;Cao Y B;Liu B H et al.ABOD biosensor based on a microorganism immobileized on an Al2O3 sol-gel matrix[J].Analytical Biochemistry,2002,372:737-739. |
| [5] | Zhi-qiang Zeng .Al2O3-SiO2-TiO2 composite ceramic membranes from sol-gel processing[J].Materials Letters,1998(1/2):67-71. |
| [6] | Lambert C K;Gonzalez R D .Effect of binder addition on the propertyes of unsupported γ-Al2O3 membrane[J].Materials Letters,1999,38:145-149. |
| [7] | Malina Raileanu;Monica Popa;Jose Maria Calderon Moreno;Lia Stanciu;Lacramioara Bordeianu;Maria Zaharescu .Preparation and characterization of alumina supported silicalite membranes by sol-gel hydrothermal method[J].Journal of Membrane Science,2002(2):197-207. |
| [8] | Kikkinides E S;Stoitsas K A;Zaspalis V T .Correlation of structural and permeateon propertyes in sol-gel-made nanoporous membranes[J].Journal of Colloid and Interface Science,2003,259:322-330. |
| [9] | Hao Yanxia;Li Jiansheng;Yang Xujie et al.Preparation of ZrO2-Al2O3 composite membranes by sol-gel processs and their characterizeation[J].Materials Science and Engineering A-structural Materials Properties Microstructure and Processing,2004,367:243-247. |
| [10] | Ahmad AL;Idrus NF;Othman MR .Preparation of perovskite alumina ceramic membrane using sol-gel method[J].Journal of Membrane Science,2005(1/2):129-137. |
| [11] | 黄肖容;黄仲涛 .溶胶-凝胶法制备不对称氧化铝膜[J].无机材料学报,1998,13(04):534-539. |
| [12] | 周健儿;王艳香;马光华 等.溶胶-凝胶法制备超滤膜的研究[J].陶瓷学报,1999,20(02):87-91. |
| [13] | 陶洪亮;余桂郁;杨南如.Sol-gel工艺制备无支撑体γ-AlO3分离膜[J].硅酸盐通报,1994(01):26-29. |
| [14] | 夏长荣;唐晔;杨萍华 等.PVA修饰的溶胶-凝胶法制备γ氧化铝无机超滤膜[J].材料研究学报,1999,13(03):279-283. |
| [15] | 曾文明;詹千宝;陈念贻 .用无机盐制备非载体Al2O3薄膜的溶胶-凝胶法研究[J].五邑大学学报（自然科学版）,1996,10(01):1-7. |
| [16] | 李月明,周健儿,马光华,顾幸勇,陆佩文.以无机盐为前驱体制备超滤膜的研究[J].陶瓷学报,2002(02):87-91. |
| [17] | 罗菊芬,莫剑雄.液液界面法测超滤膜孔径及孔径分布[J].水处理技术,1996(05):254. |
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