Unconventionally Made-Cellular Glass Aggregate
Journal La Multiapp
View Publication Info| Field | Value | |
| Title |
Unconventionally Made-Cellular Glass Aggregate
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| Creator |
Paunescu, Lucian
Axinte, Sorin Mircea Cosmulescu, Felicia |
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| Subject |
Cellular Glass Aggregate
Residual Glass Calcium Carbonate Borax Microwave Heating |
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| Description |
Improving the original manufacturing process in microwave field of a cellular glass aggregate using a recipe containing colored consumed drinking bottle, calcium carbonate (CaCO3) as an expanding agent, sodium borate (borax) as a fluxing agent and sodium silicate (Na2SiO3) as a binder is shown in the work. The main adopted technological measures were the advanced mechanical processing of residual glass at a grain dimension below 100 μm and especially the use of a high electromagnetic wave susceptible ceramic tube with a wall thickness reduced from 3.5 to 2.5 mm for the protection of the pressed glass-based mixture against the aggressive effect of microwave field and, in the same time, to achieve a preponderantly direct heating with electromagnetic waves. Of the tested variants, a recipe with 1.6 % calcium carbonate, 6 % borax, 8 % sodium silicate and the rest residual glass was determined to be optimal. The cellular glass aggregate had the bulk density of 0.22 g/cm3, heat conductivity of 0.079 W/m·K and compression strength of 5.9 MPa. The specific consumption of energy was very low (0.71 kWh/kg) below the range of reported values of the industrial processes consumption (between 0.74-1.15 kWh/kg). |
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| Publisher |
Newinera Publisher
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| Date |
2021-12-31
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| Type |
info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion Peer-reviewed Article |
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| Format |
application/pdf
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| Identifier |
http://www.newinera.com/index.php/JournalLaMultiapp/article/view/511
10.37899/journallamultiapp.v2i6.511 |
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| Source |
Journal La Multiapp; Vol. 2 No. 6 (2021): Journal La Multiapp; 21-31
2721-1290 2716-3865 |
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| Language |
eng
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| Relation |
http://www.newinera.com/index.php/JournalLaMultiapp/article/view/511/453
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| Rights |
Copyright (c) 2021 Journal La Multiapp
http://creativecommons.org/licenses/by-sa/4.0/ |
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