Improved stability of ethyl silicate interlayer-free membranes by the rapid thermal processing (RTP) for desalination
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- 作者：Shengnan Wang ; David K. Wang ; Simon Smart ; Joã ; o C. Diniz da Costa ; j.dacosta@uq.edu.au" class="auth_mail" title="E-mail the corresponding author
- 关键词：Silica membrane ; Salt rejection ; Rapid thermal processing ; Acid-catalyzed sol&ndash ; gel
- 刊名：Desalination
- 出版年：2017
- 出版时间：16 January 2017
- 年：2017
- 卷：402
- 期：Complete
- 页码：25-32
- 全文大小：1138 K
文摘
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Very fast 3 h preparation of silica membranes instead of conventional 10–14 days.
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Membrane on an interlayer-free alumina support via the Rapid Thermal Processing.
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Over 99% salt rejection at 3.5 wt% NaCl solution and 25 °C feed condition.
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Improved stability via an acid-catalyzed sol–gel pH at 1.
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Stability surpassed by 520 h over the state-of-the-art silica membranes.