Synthesis of SAPO-34 Membrane and Its Application to the Separation of Water/Acetic Acid Mixtures by Vapor Permeation

Ataher Ahmed; Sonosuke Ishiguro; Masahiro Seshimo; Bharathi Subramanian; Masahiko Matsukata

doi:10.1252/jcej.18we346

Synthesis of SAPO-34 Membrane and Its Application to the Separation of Water/Acetic Acid Mixtures by Vapor Permeation

Ataher Ahmed, Sonosuke Ishiguro, Masahiro Seshimo, Bharathi Subramanian, Masahiko Matsukata^*

^*この研究の対応する著者

研究成果: Article › 査読

1 被引用数 (Scopus)

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CHA-type zeolite SAPO-34 membranes were synthesized on a tubular porous α-alumina support using a secondary growth method and evaluated for the separation of water/acetic acid mixtures by vapor permeation. The effects of SiO₂ molar fraction in the preparation gel on the membrane formation process and the separation properties of SAPO-34 membranes were studied. The SiO₂ molar fraction in the synthesis gel substantially influenced the separation properties of prepared membranes. The membrane synthesized using a gel with a composition of 1.0 Al₂O₃:0.9 H₃PO₄:0.6 SiO₂:0.8 TEAOH:100 H₂O demonstrated a high separation factor of 140 with water permeance of 2.2 x 10^-7 mol/m-s-Pa. Prepared SAPO-34 membranes showed resistance against acetic acid.

本文言語	English
ページ（範囲）	97-104
ページ数	8
ジャーナル	JOURNAL OF CHEMICAL ENGINEERING OF JAPAN
巻	55
号	2
DOI	https://doi.org/10.1252/jcej.18we346
出版ステータス	Published - 2022 2月 20

ASJC Scopus subject areas

化学 (全般)
化学工学（全般）

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10.1252/jcej.18we346

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title = "Synthesis of SAPO-34 Membrane and Its Application to the Separation of Water/Acetic Acid Mixtures by Vapor Permeation",

abstract = "CHA-type zeolite SAPO-34 membranes were synthesized on a tubular porous α-alumina support using a secondary growth method and evaluated for the separation of water/acetic acid mixtures by vapor permeation. The effects of SiO2 molar fraction in the preparation gel on the membrane formation process and the separation properties of SAPO-34 membranes were studied. The SiO2 molar fraction in the synthesis gel substantially influenced the separation properties of prepared membranes. The membrane synthesized using a gel with a composition of 1.0 Al2O3:0.9 H3PO4:0.6 SiO2:0.8 TEAOH:100 H2O demonstrated a high separation factor of 140 with water permeance of 2.2 x 10-7 mol/m-s-Pa. Prepared SAPO-34 membranes showed resistance against acetic acid.",

keywords = "Dehydration, SAPO-34, Vapor Permeation, Water/Acetic Acid Separation, Zeolite Membrane",

author = "Ataher Ahmed and Sonosuke Ishiguro and Masahiro Seshimo and Bharathi Subramanian and Masahiko Matsukata",

note = "Funding Information: is work was partially supported by JST CREST (Japan Science and Technology Agency, Create Revolutionary Technological Seeds for Science and Technology Innovation Program, Japan), Grant Number JPMJCR1324.",

year = "2022",

month = feb,

day = "20",

doi = "10.1252/jcej.18we346",

language = "English",

volume = "55",

pages = "97--104",

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T1 - Synthesis of SAPO-34 Membrane and Its Application to the Separation of Water/Acetic Acid Mixtures by Vapor Permeation

AU - Ahmed, Ataher

AU - Ishiguro, Sonosuke

AU - Seshimo, Masahiro

AU - Subramanian, Bharathi

AU - Matsukata, Masahiko

N1 - Funding Information: is work was partially supported by JST CREST (Japan Science and Technology Agency, Create Revolutionary Technological Seeds for Science and Technology Innovation Program, Japan), Grant Number JPMJCR1324.

PY - 2022/2/20

Y1 - 2022/2/20

N2 - CHA-type zeolite SAPO-34 membranes were synthesized on a tubular porous α-alumina support using a secondary growth method and evaluated for the separation of water/acetic acid mixtures by vapor permeation. The effects of SiO2 molar fraction in the preparation gel on the membrane formation process and the separation properties of SAPO-34 membranes were studied. The SiO2 molar fraction in the synthesis gel substantially influenced the separation properties of prepared membranes. The membrane synthesized using a gel with a composition of 1.0 Al2O3:0.9 H3PO4:0.6 SiO2:0.8 TEAOH:100 H2O demonstrated a high separation factor of 140 with water permeance of 2.2 x 10-7 mol/m-s-Pa. Prepared SAPO-34 membranes showed resistance against acetic acid.

AB - CHA-type zeolite SAPO-34 membranes were synthesized on a tubular porous α-alumina support using a secondary growth method and evaluated for the separation of water/acetic acid mixtures by vapor permeation. The effects of SiO2 molar fraction in the preparation gel on the membrane formation process and the separation properties of SAPO-34 membranes were studied. The SiO2 molar fraction in the synthesis gel substantially influenced the separation properties of prepared membranes. The membrane synthesized using a gel with a composition of 1.0 Al2O3:0.9 H3PO4:0.6 SiO2:0.8 TEAOH:100 H2O demonstrated a high separation factor of 140 with water permeance of 2.2 x 10-7 mol/m-s-Pa. Prepared SAPO-34 membranes showed resistance against acetic acid.

KW - Dehydration

KW - SAPO-34

KW - Vapor Permeation

KW - Water/Acetic Acid Separation

KW - Zeolite Membrane

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Synthesis of SAPO-34 Membrane and Its Application to the Separation of Water/Acetic Acid Mixtures by Vapor Permeation

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