Template removal by ion-exchange extraction from siliceous MCM-41 synthesized by microwave-assisted hydrothermal method

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• 作者：Krittanun Deekamwong ; Jatuporn Wittayakun ; ^{jatuporn@sut.ac.th}
• 关键词：MCM-41 ; CTAB ; Microwave ; Sonication ; Ion-exchange extraction
• 刊名：Microporous and Mesoporous Materials
• 出版年：2017
• 出版时间：February 2017
• 年：2017
• 卷：239
• 期：Complete
• 页码：54-59
• 全文大小：1185 K
• 卷排序：239

文摘

> 70 wt% of CTA+ was removed in 15 min by ion-exchange extraction under sonication. The CTA+ removal by methanollic solution was better than that in aqueous solution. High CTA+ removal was achieved by exchanged with Na+ and NH4+ salts. Extraction with NH4+ salts retained MCM-41 structure better than Na+ and K+ salts. Extraction at 60 °C for 15 min was sufficient in terms of energy consumption.