Microwave-assisted preparation of sodium-silicate solutions from perlite

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• 作者：V. V. Bagramyan ; A. A. Sarkisyan ; C. Ponzoni…
• 关键词：perlite ; alkali silicate ; liquid glass ; hydrothermal ; microwave treatment
• 刊名：Theoretical Foundations of Chemical Engineering
• 出版年：2015
• 出版时间：September 2015
• 年：2015
• 卷：49
• 期：5
• 页码：731-735
• 全文大小：209 KB
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• 作者单位：V. V. Bagramyan (1)
  A. A. Sarkisyan (1)
  C. Ponzoni (2)
  R. Rosa (2)
  C. Leonelli (2)
  
  1. Institute of General and Inorganic Chemistry, National Academy of Sciences of the Republic of Armenia, ul. Hovsep Arghutyan, Vtoroi per. 10, Yerevan, 0051, Armenia
  2. Università degli Studi di Modena e Reggio Emilia, via Vignolese 905/A, Modena, 41125, Italy
  
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Industrial Chemistry and Chemical Engineering
  Russian Library of Science
  
• 出版者：MAIK Nauka/Interperiodica distributed exclusively by Springer Science+Business Media LLC.
• ISSN：1608-3431

文摘

Systematic studies on the preparation of sodium-silicate solutions of different compositions via the hydrothermal-microwave treatment of perlite with an NaOH solution were performed. The effect of various factors on the degree of SiO₂ recovery and the reaction rate was studied. The application of microwave energy was established to intensify the process of hydrothermal treatment compared to conventional heating.