Cellular Glass Manufactured by Microwave Irradiation of Residual Glass, Eggshell and Borax

Journal La Multiapp

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Title Cellular Glass Manufactured by Microwave Irradiation of Residual Glass, Eggshell and Borax
Creator Paunescu, Lucian
Axinte, Sorin Mircea
Cosmulescu, Felicia
Subject Cellular Glass
Microwave Heating
Residual Glass
Eggshell Residue
Description The paper presents an improved method of manufacturing cellular glass using residual glass (91 %), sodium borate (5 %), eggshell waste (4 %) and added water (9 %). Compared to methods using eggshell as an expanding agent producing cellular glass with low compression strength, the technique adopted by the authors is original by the addition of sodium borate, which contributes to increasing the compression strength and the use of the unconventional electromagnetic wave heating method, which ensures very economical specific energy consumption. The optimal variant of cellular glass had the following characteristics: density of 0.40 g/cm3, porosity of 81 %, heat conductivity of 0.086 W/m·K, compression strength of 4.3 MPa and the cell dimension between 0.3-0.9 mm. The specific energy consumption of the process was 0.80 kWh/kg. The product has adequate features for using as a heat insulation material under conditions of quite high mechanical loading.
Publisher Newinera Publisher
Date 2021-12-20
Type info:eu-repo/semantics/article
Peer-reviewed Article
Format application/pdf
Identifier http://www.newinera.com/index.php/JournalLaMultiapp/article/view/479
Source Journal La Multiapp; Vol. 2 No. 5 (2021): Journal La Multiapp; 37-46
Language eng
Relation http://www.newinera.com/index.php/JournalLaMultiapp/article/view/479/431
Rights Copyright (c) 2021 Journal La Multiapp

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