Synthesis of LSX Using Seed-iteration Approach with High N₂ Adsorption Capacity for Air Separation

Abstract

A series of low silica X zeolites (LSX) was synthesized through a seed-iteration approach, based on the seed addition strategy, and then loaded with lithium ions by an ion exchanging method to obtain high N₂ adsorption capacity. These zeolites were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), Fourier transform infrared spectra (FTIR), thermogravimetric analysis (TGA) and N₂ adsorption-desorption, and the adsorption capacity of N₂ and O₂ was evaluated by the vacuum pressure swing adsorption (VPSA) operation. The results showed that the nucleation period of the synthetic process could be effectively shortened by adding seed; as the seed iterations increased, the specific surface area and pore volume of the zeolites increased; the higher specific surface area and the pore volume, the higher the extent of the N₂ adsorption capacity, with the maximum reaching 28.05 cm³/g. However, there were no significant differences in the adsorbed capacity of O₂ by each sample. Therefore, the N₂/O₂ separation factor also increased gradually with iterations, with the maximum up to 6.61.

Keywords

Seed-iteration / Low silica X zeolite (LSX) / Air separation

References

[1] Shrotri A R, Niphadkar P S, Bokade V V, Utgikar V P, Nandanwar S U. Asia-Pac. J. Chem. Eng., 2023, 18: e2896

[2] Castle W F. Int. J. Refrig., 2002, 25: 158

[3] Kansha Y, Kishimoto A, Nakagawa T, Tsutsumi A. Sep. Purif. Technol., 2011, 77: 389

[4] Esteves I A A C, Mota J P B. Ind. Eng. Chem. Res., 2007, 46: 5723

[5] Burdyny T, Struchtrup H. Energy, 2010, 35: 1884

[6] Sebastian J, Jasra R V. Ind. Eng. Chem. Res., 2005, 44: 8014

[7] Ding Z, Han Z, Fu Q, Shen Y, Tian C, Zhang D. Adsorption, 2018, 24: 499

[8] Santos J C, Cruz P, Regala T, Magalhães F D, Mendes A. Ind. Eng. Chem. Res., 2017, 46: 591

[9] Feuerstein M, Lobo R F. Chem. Mater., 1998, 10: 2197

[10] Fan F, Feng F, Li C. Chem. Soc. Rev., 2010, 39: 4794

[11] Depla C, Verheyen E, Veyfeyken A, Gobechiya E, Hartmann T, Schaefer R, Martens J A, Kirschhock C E A. Phys. Chem. Chem. Phys., 2011, 13: 13730

[12] Jasra R V, Choudary N V, Bhat S G T. Phys. Chem. Chem. Phys., 1996, 35: 4221

[13] Frising T, Leflaive P. Micropor. Mesopor. Mater., 2008, 114: 27

[14] Lee Y, Carr S W, Parise J B. Chem. Mater., 1998, 10: 2561

[15] Gómez J M, Montes I, Díez E, Rodríguez A. Micropor. Mesopor. Mater., 2022, 330: 111618

[16] Wang L, Yang R T. Ind. Eng. Chem. Res., 2010, 49: 3634

[17] Weinberger B, Lamari F D, Kayiran S B, Gicquel A, Levesque D. AIChE. J., 2005, 51: 142

[18] Zanota M L, Heymans N, Gilles F, Su B L, Frère M, De Weireld G. J. Chem. Eng. Data, 2010, 55: 448

[19] Li Y, Yang R T. J. Phys. Chem. B, 2006, 110: 17175

[20] Panezai H, Sun J, Ullah R. Micropor. Mesopor. Mater., 2020, 301: 110233

[21] Mellot-Draznieks C, Buttefey S, Boutin A, Fuchs A H. Chem. Commun., 2001 2200

[22] Beauvais C, Guerrault X, Coudert F X, Boutin A, Fuchs AH. J. Phys. Chem. B, 2004, 108: 399

[23] Yu J, Wang Y, Subhan F, Tang S, Zeng J, Yang J, Yan Z. J. Porous. Mat., 2013, 20: 1525

[24] Fan M, Sun J, Bai S, Panezai H. Micropor. Mesopor. Mater., 2015, 202: 44

[25] Epiepang F E, Yang X, Li J, Wei Y, Liu Y, Yang R T. Chem. Eng. Sci., 2019, 198: 43

[26] Pavlova I N, Garieva G F, Kutepov B I, Fomkin A A, Menshchikov IE. Prot. Met. Phys. Chem. Surf., 2022, 58: 269

[27] Epiepang F E, Li J, Liu Y, Yang R T. Chem. Eng. Sci., 2016, 147: 100

[28] Baksh M S A, Kikkindes E S, Yang R T. Sep. Sci. Technol., 1992, 27: 277

[29] Bülow M, Shen D. Micropor. Mesopor. Mater., 2007, 105: 163

[30] Kowsari M H, Naderlou S. Micropor. Mesopor. Mater., 2017, 240: 39

[31] Kowsari M H. Micropor. Mesopor. Mater., 2018, 264: 181

[32] Kowsari M H. J. Phys. Chem. C, 2017, 121: 1770

[33] Fu Y, Liu Y, Yang X, Li Z, Jiang L, Zhang C, Wang H, Yang R T. Appl. Surf. Sci., 2019, 480: 868

[34] Zhang C, Zhai M, Liu J, Li Y, Xie K, Guo W, Hu Y, Luo E, Tang C. Z. Anorg. Allg. Chem., 2021, 647: 1906

[35] Kühl G H. Zeolites, 1987, 7: 451

[36] Ansari M, Aroujalian A, Raisi A, Dabir B, Fathizadeh M. Adv. Powder Technol., 2014, 25: 722

[37] Volli V, Purkait M K. J. Haz. Mat., 2015, 297: 101

[38] Breck D W. J. Chem. Edu., 1964, 41: 678

[39] Zhang X, Tang D, Zhang M, Yang R. Powder Technol., 2013, 235: 322

[40] Tounsi H, Mseddi S, Djemel S. Phys. Procedia, 2009, 2: 1065

[41] Zhao D P, Zhang Y, Li Z, Yu J Q. Chinese J. Inorg. Chem., 2016, 32: 1995

[42] Jain R, Mallette A J, Rimer J D. J. Am. Chem. Soc., 2021, 143: 21446

[43] IyOki K, Itabashi K, Okubo T. Micropor. Mesopor. Mater., 2014, 189: 22

[44] Yang J F, Liu J Q, Liu P X, Li L B, Tang X, Shang H, Li J P, Chen B L. Angew. Chem. Int. Ed., 2022, 61: e202116850

[45] Myers A L, Prausnitz J M. AlChE. J., 1965, 11: 121

[46] Pope C G. Micropor. Mesopor. Mater., 1998, 21: 333

[47] Yang RT, Chen Y D, Peck J D, Chen N. Ind. Eng. Chem. Res., 1996, 35: 3093

[48] Fan M, Panezai H, Sun J, Bai S, Wu X. J. Phys. Chem. C, 2014, 118: 23761

[49] Celik F E, Kim T, Mlinar A N, Bell A T. J. Catal., 2010, 274: 150

[50] Liu S Z, Cao X J, Li L S, Li C J, Ji Y Y, Xiao F S. Colloid. Surface. A, 2008, 318: 269

[51] Mottal L, Vicente J G P, Cardoso D. Mol. Catal., 2018, 458: 127