预先在孔径为1.0 μm的管状α-Al2O3表面引入钾离子筛晶种,再采用二次水热合成法,以正丁胺为模板剂在涂有晶种的α-Al2O3支撑体外表面合成钾离子筛膜,并利用XRD、SEM对其进行表征和单一气体渗透测试.结果表明,合成的膜为钾离子筛膜;筛膜表面连续致密,膜厚度约为10 μm;室温条件下,单一气体H2/N2的理想分离因数达到3.61,接近H2/N2的Knudsen扩散比值3.74,说明所合成的筛膜具有良好的选择分离性能.
参考文献
| [1] | 袁俊生,韩慧茹.海水提钾技术研究进展[J].河北工业大学学报,2004(02):140-147. |
| [2] | 屈小英,杨顺林.无机离子筛分材料及其研究进展[J].化工新型材料,2004(08):29-32. |
| [3] | 卢亚哲 .钾离子高效吸附剂的合成研究[D].河北工业大学,2005. |
| [4] | 袁俊生,郭兆寿,张林栋.新型钾分子筛的表征及其对K+的交换性能[J].过程工程学报,2006(06):903-906. |
| [5] | Maryam Takht Ravanchi;Tahereh Kaghazehi;Ali Kargari .Application of membrane separation processes in petrochemical industry: a review[J].Desalination: The International Journal on the Science and Technology of Desalting and Water Purification,2009(1/3):199-244. |
| [6] | Coronas J;Santamaria J .The use of zeolite films in small-scale and micro-scale applications[J].Chemical Engineering Science,2004(22/23):4879-4885. |
| [7] | Haag, S;Hanebuth, M;Mabande, GTP;Avhale, A;Schwieger, W;Dittmeyer, R .On the use of a catalytic H-ZSM-5 membrane for xylene isomerization[J].Microporous and Mesoporous Materials,2006(1/3):168-176. |
| [8] | Covarrubias C;Garcia R;Arriagada R;Yanez J;Ramanan H;Lai ZP;Tsapatsis M .Removal of trivalent chromium contaminant from aqueous media using FAU-type zeolite membranes[J].Journal of Membrane Science,2008(1/2):163-173. |
| [9] | 孙国锋,王金渠,刘垚.二次生长法合成沸石膜技术的研究进展[J].膜科学与技术,2008(02):73-78. |
| [10] | Zhao Q Y;Wang J Q;Chu N B et al.Preparation of high-permeance MFI membrane with the modified secondary growth method on the macroporous α-alumina tubular support[J].Journal of Membrane Science,2008,320(1-2):303-309. |
| [11] | V. Engstrom;B. Mihailova;J. Hedlund;A. Holmgren;J. Sterte .The effect of seed size on the growth of silicalite-1 films on gold surfaces[J].Microporous and Mesoporous Materials,2000(1):51-60. |
| [12] | 王爱芳,孙维国,孔春龙,赵庆宇,杨建华,王金渠.真空晶种引入法制备Silicalite-1沸石膜及其性能表征[J].过程工程学报,2008(01):187-191. |
| [13] | 王立娜 .ZSM-5分子筛及分子筛膜的合成[D].天津大学,2005. |
| [14] | Xomeritakis G;Naik S;Braunbarth C M et al.Organic-templated silica membranes:L Gas and vapor transport properties[J].Journal of Membrane Science,2003,215(1-2):225-233. |
| [15] | Suraj Gopalakrishnan;Takeo Yamaguchi;Shin-ichi Nakao .Permeation properties of templated and template-free ZSM-5 membranes[J].Journal of Membrane Science,2006(1/2):102-107. |
| [16] | 张雄福,李邦民,王金渠,刘长厚.ZSM-5沸石膜的有机胺焙烧过程对膜性能的影响[J].石油化工,2002(01):10-13. |
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%