Preparation and H<sub>2</sub>S/CH<sub>4</sub> separation performance of MFI type zeolite membrane

YANG Wen-shen; LANG Lin; YIN Xiu-li; WU Chuang-zhi

Volume 46 Issue 7

Jul. 2018

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Article Navigation > Journal of Fuel Chemistry and Technology > 2018 > 46(7): 891-896

YANG Wen-shen, LANG Lin, YIN Xiu-li, WU Chuang-zhi. Preparation and H2S/CH4 separation performance of MFI type zeolite membrane[J]. Journal of Fuel Chemistry and Technology, 2018, 46(7): 891-896.

Citation:

YANG Wen-shen, LANG Lin, YIN Xiu-li, WU Chuang-zhi. Preparation and H₂S/CH₄ separation performance of MFI type zeolite membrane[J]. Journal of Fuel Chemistry and Technology, 2018, 46(7): 891-896.

YANG Wen-shen, LANG Lin, YIN Xiu-li, WU Chuang-zhi. Preparation and H2S/CH4 separation performance of MFI type zeolite membrane[J]. Journal of Fuel Chemistry and Technology, 2018, 46(7): 891-896.

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Preparation and H₂S/CH₄ separation performance of MFI type zeolite membrane

Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, CAS Key Laboratory of Renewable Energy, Guangdong Provincial Key Laboratory of New and Renewable Energy Research and Development, Guangzhou 510640, China

Funds:

the National Key R & D Program of China 2016YFE0203300

the Guangdong Natural Science Foundation 2017B030308002

Science and Technology Program of Guangzhou 201707010242

More Information

Corresponding author: YIN Xiu-li, E-mail:xlyin@ms.giec.ac.cn
Received Date: 2018-01-23
Rev Recd Date: 2018-05-01

Available Online: 2021-01-23

Publish Date: 2018-07-10

Abstract

Abstract

The MFI (ZSM-5 and silicate-1) membranes with porous α-Al₂O₃ substrates were synthesized by secondary growth method. The results of scanning electron microscopy (SEM) and X-ray diffraction (XRD) indicate that the membranes with 5 μm thickness are composed of well-intergrown MFI crystals, which completely covers on the α-Al₂O₃ substrates in random orientation. The gas permeation measurements reveal that the resulting membranes are of high quality with few non-zeolitic pores. In addition, the separation properties of H₂S/CH₄ through the synthesized MFI membranes were investigated. Under the osmotic pressure of 0.3 and 0.5 MPa, the separation factors of H₂S/CH₄ by silicate-1 zeolite membrane are 1.99 and 4.44, and the separation factors of CH₄/H₂S by ZSM-5 zeolite membrane are 6.71 and 12.85, respectively.
- MFI zeolite membrane,
- H₂S/CH₄ separation,
- secondary growth method

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References(21)

References

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