Journal of Inorganic Materials, Volume. 35, Issue 8, 939(2020)
Figures & Tables(12)
1. SEM images of α -Al2O3 support photographed from surface (a) and cross section (b), large seeds (c), small seeds (d), modified by large seeds photographed from surface (e) and cross section (f), and the small seed layer photographed from surface (g) and cross section (h)
3. SEM images of T-type zeolite membranes after first-step crystallization prepared at different first-step crystallization temperatures
4. SEM images of T-type zeolite membranes after two-step crystallizations prepared at different first-step crystallization temperature
5. XRD patterns of zeolite T membrane M4 (a) and small zeolite T seeds (b)
6. SEM images of T-type zeolite membranes after first-step crystallization prepared with varying first-step crystallization time
7. SEM images of T-type zeolite membranes after two-step crystallizations prepared with different first-step crystallization time
8. SEM images of T-type zeolite membranes after two-step crystallizations prepared at different second-step crystallization temperatures
Table 1. Pervaporation performance of T zeolite membranes prepared under different first-step crystallization temperatures
View tableView in ArticleTable 1. Pervaporation performance of T zeolite membranes prepared under different first-step crystallization temperatures
No. First-step
crystallizationSecond-step
crystallizationJ /
(kg·m-2·h-1)α Temp./℃ Time/h Temp./℃ Time/h M1 110 4 110 6 - - M2 120 4 110 6 4.19 968 M3 130 4 110 6 3.87 5219 M4 135 4 110 6 3.84 >10000 M5 150 4 110 6 3.53 2918
Table 2. Pervaporation performance of T zeolite membranes prepared with different first-step crystallization time
View tableView in ArticleTable 2. Pervaporation performance of T zeolite membranes prepared with different first-step crystallization time
No. First-step crystallization Second-step crystallization J /(kg ·m-2·h-1) α Temp./℃ Time/h Temp./℃ Time/h M6 135 2 110 6 - - M7 135 3 110 6 4.04 915 M4 135 4 110 6 3.84 >10000 M8 135 5 110 6 4.2 2371 M9 135 6 110 6 4.97 697
Table 3. Pervaporation performance of T zeolite membranes prepared under different second-step crystallization temperatures
View tableView in ArticleTable 3. Pervaporation performance of T zeolite membranes prepared under different second-step crystallization temperatures
No First-step crystallization Second-step crystallization J /(kg·m-2·h-1) α Temp./℃ Time/h Temp./℃ Time/h M10 135 4 90 6 - - M11 135 4 100 6 3.94 2646 M4 135 4 110 6 3.84 >10000 M12 135 4 120 6 3.97 5867 M13 135 4 130 6 3.41 5594
Table 4. Pervaporation performance of zeolite T membranes for 90wt% isopropanol/water mixture at 75 ℃
View tableView in ArticleTable 4. Pervaporation performance of zeolite T membranes for 90wt% isopropanol/water mixture at 75 ℃
Support Temp./
℃Time/
hJ /
(kg·m-2·h-1)α Ref. α- Al2O3 disc120 24 2.24 10000 [29] α- Al2O3 tube100 30 2.52 10000 [21] α- Al2O3 tube120 16 2.96 6400 [23] α- Al2O3 tube100+140 a 8+1 a 2.15 10000 [19] α- Al2O3 tube150+120 b 4+8 b 2.04 2874 [30] α- Al2O3 tube135+110 c 4+6 c 3.84 >10000 This work
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Bo ZHANG, Ning ZHANG, Jianhua YANG, Jiancheng LAN, Jinqu WANG.
Paper Information
Category: RESEARCH PAPER
Received: Sep. 10, 2019
Accepted: --
Published Online: Mar. 15, 2021
The Author Email: WANG Jinqu (wjinqu@dlut.edu.cn)
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