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Synthesis and characterization of NaA zeolite membrane prepared by different pre-seeding methods
Authors： GE Congcong, ZHANG Donghui, YIN Chunbiao
Units： Chemical Engineering Research Center，State Key Laboratory of Chemical Engineering，School of Chemical Engineering and Technology，Tianjin University，Tianjin 300072，China
KeyWords： pre-seeding method; NaA zeolite membrane; hydrothermal crystallization; pervaporation
ClassificationCode：TQ028.8
year,volume(issue):pagination： 2013, 33(4):73-77

Abstract：

NaA zeolite membranes were hydrothermally prepared by various pre-seeding methods on the outer surface of porous tubular support. The apparent morphology and dehydration performance of the as-sythesized membrane were characterized by X-ray diffraction（XRD）,field emission scanning electron microscopy (FE-SEM) and pervaporation. High-quality membrane was hydrothermally synthesized twice for 4h with support seeded with NaA zeolite by the combination of rubbing and dipping, which showed a permeation flux of 1.40 kg/(m2•h) and separation factor of 6824 for 90:10(mass) EtOH/H2O mixture at 343K. The effect of operating temperature and feed concentration on pervaporation performance were also studied. The results show that with feed water concentration rising, the permeation flux declines while the separation factor increases initially then declines. When increasing the operating temperature, the separation factor declines slightly while the permeation flux increases.

Funds：
天津市科技支撑计划（2009F3-0005）.

AuthorIntro：
葛聪聪（1988—??），女，硕士研究生通讯作者：张东辉，donghuizhang@tju.edu.cn

Reference：

［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,2004-427-432.
［2］Yoshio Morigami, Masakazu Kondo, Jun A be, et al. The first large-scale pervaporation plant using tubular-type module with zeolite NaA membrane[J].Separation and Purification Technology,2001,25:251-260.
［3］Kondo M, Yamamura T, Yukitake T, et al. TPA purification for lens cleaning by vapor permeation using zeolite membrane[J].Separation and Purification Technology, 2003, 32: 191-198.
［4］Yano Kazuhiro, Tatsumi Hiroshi, Shimizu Takehiro. Method of manufacturing zeolite separation membrane:Japan,2010-017606[P],2010-1-28.
［5］Hannes Richter, Ingolf Voigt, Jan-Thomas Kuhnert. Dewatering of ethanol by pervaporation and vapour permeation with industrial scale NaA-membranes[J]. Desalination, 2006, 199: 92-93.
［6］Masakazu Kondo, Hidetoshi Kita. Permeation mechanism through zeolite NaA and T-type membranes for practical dehydration of organic solvents[J].Journal of Membrane Science, 2010,306:223-231.
［7］Milan Kanti Naskar, Debtosh Kundu, Minati Chatterjee. Influence of PVP buffer layer on the formation of NaA zeolite membrane[J].Journal of Porous Material，2011,18:319-327.
［8］Nandini Das. Effect of cellulose buffer layer on synthesis and gas permeation properties of NaA Zeolite membrane[J].Ceramics International,2010,36:1193-1199.
［9］Re Lai, George R, Gavalas. Surface Seeding in ZSM-5 Membrane Preparation[J]. Industry ＆ Engineering Chemistry Research,1998,37:4275-4283.
［10］黄爱生，李砚砚，刘杰等.抽真空涂晶法合成A型分子筛膜及渗透汽化性能研究[J].膜科学与技术,2005,25(2):5-10.
［11］刘红，罗钢元，周志辉等.热浸渍晶种法制备高重复性NaA分子筛膜[J].武汉科技大学学报,2012,35(3): 1990-1994.
［12］Zhengbao Wang, Qinqin Ge, Jinsi Gao, et al.High-Performance Zeolite Membranes on Inexpensive Large-Pore Supports: Highly Reproducible Synthesis using a Seed Paste[J].ChemSusChem,2011, 4, 1570 – 1573.
［13］张叶，刘艳梅，顾学红等.NaA分子筛膜的制备及其在醇类脱水中的应用[J].南京工业大学学报,2010,32(1):41-45.
［14］宇文琳琳，朱孟府，宿红波等. α-Al2O3 载体上NaA 型分子筛膜的制备及表征[J].天津工业大学学报,2011,30(2):65-68.
［15］张叶，刘艳梅，陆双佳等，NaA分子筛膜的制备及其在醇类脱水中的应用[J].南京工业大学学报，2010,32(1): 41-45.
［16］Ken-ichi Okamoto, Hidetoshi Kita, Kohji Horii, et al. Zeolite NaA membrane：Preparation，Single-Gas Permeation，and Pervaporation and Vapor Permeation of Water/Organic Liquid Mixtures[J]. Industry ＆ Engineering Chemistry Research.2001,40:163-175.
［17］Hidetoshi Kita, Kohji Horii, Yasuharu ohtoshi, et al.Synthesis of a zeolite NaA membrane for pervaporation of water/organic liquid mixtures[J]. Journal of materials science letters. 1995, 14: 206-208.
 

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