Synthesis of high performance SAPO-34 zeolite membrane by a novel two-step hydrothermal synthesis + dry gel conversion method
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- 作者：Meng Lia ; Jianming Zhanga ; Xiangyan Liua ; b ; Yihui Wanga ; c ; Chen Liua ; c ; Deng Hua ; Gaofeng Zenga ; Yanfeng Zhanga ; c ; zhangyf@sari.ac.cn" class="auth_mail" title="E-mail the corresponding author ; Wei Weia ; Yuhan Suna ; c ; sunyh@sari.ac.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：CO2&ndash ; CH4 separation ; Membrane separation ; SAPO-34 membrane ; Dry gel conversion ; Hydrothermal synthesis
- 刊名：Microporous and Mesoporous Materials
- 出版年：2016
- 出版时间：1 May 2016
- 年：2016
- 卷：225
- 期：Complete
- 页码：261-271
- 全文大小：4859 K
文摘
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SAPO-34 membrane made by a novel two-step hydrothermal + dry gel conversion method.
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Investigated the formation mechanism of SAPO-34 zeolite membrane.
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Substantially reduced the membrane thickness from 7 μm to 2–3 μm.
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CO2 permeances of ∼16 × 10−7 mol/(m2 s Pa) and CO2–CH4 selectivity of 50 at 4.0 MPa.