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均相溶胶体系合成用于异丙醇脱水的T型分子筛膜
作者:  张慧智 张家友       陈祥树 
单位:(江西师范大学先进材料研究院 分子筛膜材料国家地方联合工程实验室 江西师范大学化学化工学院 南昌 330022) 
关键词:分子筛膜 均相溶胶 两步变温晶化 晶体生长 渗透汽化 
分类号:TQ028.8
出版年,卷(期):页码:2020,48(2):0-0
DOI:
摘要:

 采用均相合成溶胶体系通过两步变温法在廉价莫来石支撑体上制备了厚度为5 μm薄且致密的T型分子筛膜。考察了均相溶胶体系、合成温度和合成时间对所制备膜的晶体形貌以及渗透汽化的影响。结果表明:最优条件下制备的T型分子筛膜在348 K、水/异丙醇质量比为10/90的混合体系中表现的渗透通量和分离因子分别高达4.3 kg/(m2·h)和2 000,且该膜具有良好的重复性和水热稳定性。

基金项目:
国家国际科技合作专项(2015DFA50190);国家自然科学基金项目(21868013,21476099和21766010)资助项目。
作者简介:
参考文献:

 [1]VANHOOF V, VAN DE ABEELE L, BUEKENHOUDT A, et al. Economic comparison between azeptropic distillation and different hybrid systems combining distillation with pervaporation for the dehydration of isopropanol[J]. Sep Purif Technol, 2004, 37: 33–49.

[2]LIN Y S. Microporous and dense inorganic membranes: current status and prospective[J]. Sep Purif Technol, 2001, 25: 39–55.
[3]CHAPMAN P D, OLIVEIRA T, LIVINGSTON A G, et al. Membranes for the dehydration of solvents by pervaporation[J]. J Membr Sci, 2008, 318: 5–37.
[4]HASEGAWA Y, ABE C, NISHIOKA N, et al. Influence of synthesis gel composition on morphology, composition, and dehydration performance of CHA-type zeolite membranes[J]. J Membr Sci, 2010, 363: 256–264.
[5]CUI Y, KITA H, OKAMOTO K I. Zeolite T membrane: preparation, characterization, pervaporation of water/organic liquid mixtures and acid stability[J]. J Membr Sci, 2004, 236: 17–27.
[6]MORIGAMI Y, KONDO M, ABE J, et al. The first large-scale pervaporation plant using tubular-type module with zeolite NaA membrane[J]. Sep Purif Technol, 2001, 25: 251–260.
[7]WANG J C, YE P, GAO X C, et al. Modeling investigation of geometric size effect on pervaporation dehydration through scaled-up hollow fiber NaA zeolite membranes[J]. Chin J Chem Eng, 2018, 26: 1477–1484.
[8]SCHERZER J. The preparation and characterization of aluminum deficient zeolites[J]. Catal Mater, 1984, 248: 157–200.
[9]JIANG J, WANG X R, PENG L, et al. Batch-scale preparation of hollow fiber supported CHA zeolite membranes and module for solvents dehydration[J]. Micropor Mesopor Mater, 2017, 250: 18–26.
[10]HU N, LI Y Q, ZHONG S L, et al. Fluoride-mediated synthesis of high-flux chabazite membranes for pervaporation of ethanol using reusable macroporous stainless steel tubes[J]. J Membr Sci, 2016, 510: 91–100. 
[11]LUO Y W, LV Y J, KUMAR P, et al. Epitaxial growth: rapid synthesis of highly permeable and selective zeolite-T membranes[J]. J Mater Chem A, 2017, 5: 17828–17832.
[12]WANG R, MA N K, YAN Y S, et al. Ultrasonic-assisted fabrication of high flux T-type zeolite membranes on alumina hollow fibers[J]. J Membr Sci, 2018, 548: 676–684.
[13]LI Y Q, ZHU M H, HU N, et al. Scale-up of high performance mordenite membranes for dehydration of water-acetic acid mixtures[J]. J Membr Sci, 2018, 564: 174–183.
[14]ZHANF Y Q, NAKASAKA Y, TAGO T, et al. Preparation and optimization of mordenite nanocrystal-layered membrane for dehydration by pervaporation[J]. Micropor Mesopor Mater, 2015, 207: 39–45.
[15]FU D L, SCHMIDT J E, PLETCHER P, et al. Uniformly oriented zeolite ZSM-5 membranes with tunable wettability on a porous ceramic[J]. Angew Chem Int Ed, 2018, 57: 12458–12462.
[16]JI M M, GAO X C, WANG X R, et al. An ensemble synthesis strategy for fabrication of hollow fiber T-type zeolite membrane modules[J]. J Membr Sci, 2018, 563: 460–469.
[17]CHEN X X, WANG J Q, YIN D H, et al. High performance zeolite T membrane for dehydration of organics by a new varying temperature hot-dip coating method[J]. AIChE J, 2013, 59: 936–947.
[18]WANG X R, YANG Z Z, YU C L, et al. Preparation of T-type zeolite membranes using a dip-coating seeding suspension containing colloidal SiO2[J]. Micropor Mesopor Mater, 2014, 197: 17–25.
[19]ZHANG F, ZHENG Y H, HU L L, et al. Preparation of high-flux zeolite T membranes using reusable macroporous stainless steel supports in fluoride media[J]. J Membr Sci, 2014, 456: 107–116.
[20]WANG Z Z, KUMAKIRI I, TANAKA K, et al. NaY zeolite membranes with high performance prepared by a variable-temperature synthesis[J]. Micropor Mesopor Mater, 2013, 182: 250–258.
[21]ZHANG X L, QIU L F, DING M Z, et al. Preparation of zeolite T membranes by a two-step temperature process for CO2 separation[J]. Ind Eng Chem Res, 2013, 52: 16364−16374.
[22]YIN X Y, CHU N B, LU X W, et al. Cost-effective two-stage varying-temperature rapid crystallization of zeolite T and SAPO-34[J]. J Cryst Growth, 2016, 441: 1–11.
[23]LI Y S, ZHANG X F, WANG J Q, et al. Preparation for ZSM-5 membranes by a two-stage varying-temperature synthesis[J]. Sep Purif Technol, 2001, 25: 459–466.
[24]KONG C L, LU J M, YANG J H, et al. Preparation of silicalite-1 membranes on stainless steel supports by a two-stage varying-temperature in situ synthesis[J]. J Membr Sci, 2006, 285: 258–264.
[25]NAKRANI D, BELANI M, BAJAJ H C, et al. Concentrated colloidal solution system for preparation of uniform Zeolite-Y nanocrystals and their gas adsorption properties[J]. Micropor Mesopor Mater, 2017, 241: 274–284.
[26]OLEKSIAK M D, SOLTIS J A, CONATO M T, et al. Nucleation of FAU and LTA zeolites from heterogeneous aluminosilicate precursors[J]. Chem Mater, 2016, 28: 4906–4916. 
[27]CUI Y, KITA H, OKAMOTO K I. Preparation and gas separation performance of zeolite T membrane[J]. J Mater Chem, 2004, 14: 924–932. 
[28]ZHANG Q P, ZHOU Z H, WU H D, et al. Optimization of preparing zeolite T membranes from clear Solutions[J]. J Chin Ceram Soc, 2017, 45: 968–975.
[29]ZHOU H, LI Y S, ZHU G Q, et al. Microwave-assisted hydrothermal synthesis of a&b-oriented zeolite T membranes and their pervaporation properties[J]. Sep Purif Technol, 2009, 65: 164–172.
[30]ZHOU R F, HU L L, ZHANG Y J, et al. Synthesis of oriented zeolite T membranes from clear solutions and their pervaporation properties[J]. Micropor Mesopor Mater, 2013, 174: 81–89.
[31]HSU C Y, CHIANG A S T, SELVIN R, et al. Rapid synthesis of MFI zeolite nanocrystals[J]. J Phys Chem B, 2005, 109: 18804–18814.
[32]LI R, LINARES N, SUTJIANTO J G, CHAWLA A, et al. Ultrasmall zeolite L crystals prepared from highly-interdispersed alkali-silicate precursors[J]. Angew Chem Int Ed, 2018, 57: 11283–11288.
[33]KIM S D, NOH S H, PARK J W, et al. Organic-free synthesis of ZSM-5 with narrow crystal size distribution using two-step temperature process[J]. Micropor Mesopor Mater, 2006, 92: 181–188.
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