REVIEW: MAKING STRENGTH CELLULAR GLASS

  • Lucian Paunescu Daily Sourcing & Research SRL Bucharest
  • Sorin Mircea Axinte Daily Sourcing & Research SRL Bucharest
Keywords: microwave heating, cellular glass, residual glass, glycerin, sodium carbonate

Abstract

The original non-conventional technique of preparing expanded bottle utilizing recycled bottle waste and a combination between glycerin in association with Na2SiO3 and Na2CO3, as liquid and respectively, solid expanding agents, was experimentally tested on an 800 W-electromagnetic wave oven and shown in this article. The work objective was obtaining a cellular glass with physio-mechanical and thermal features almost identical to those achieved by conventional techniques at industrial-scale. Thus, the heat conductivity was in the range of 0.060-0.072 W·m-1·K-1, while the compression resistance increased at 6.5-7.2 MPa. Also, the experimental results confirmed the remarkable power efficiency of the non-conventional process, the power use value being diminished to an extremely reduced measure (0.74-0.83 kWh·kg-1). In conclusion, the cellular product made by the unused technique worldwide proved to be suitable for application in special constructions.

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Published
2024-06-28
How to Cite
Paunescu, L., & Axinte, S. (2024). REVIEW: MAKING STRENGTH CELLULAR GLASS. Nonconventional Technologies Review, 28(2). Retrieved from http://revtn.ro/index.php/revtn/article/view/468

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