Ultra-light Colorless and Green Glass Foam Produced by Microwave Radiation

  • Lucian Paunescu Daily Sourcing & Research SRL Bucharest
  • Sorin Mircea Axinte Daily Sourcing & Research SRL Bucharest + Department of Applied Chemistry and Materials Science, University "Politehnica" of Bucharest, Romania
  • Felicia Cosmulescu Cosfel Actual SRL Bucharest, Romania
  • Marius Florin Dragoescu Department of Applied Chemistry and Materials Science, University "Politehnica" of Bucharest, Romania
  • Bogdan Valentin Paunescu Consitrans SA Bucharest, Romania
Keywords: Ultra-light Glass Foam, Glass Waste, Calcium Carbonate, Microwave Heating, Apparent density

Abstract

Abstract                                                        

According to the research objective that was the basis of the paper, an ultra-light glass foam with an apparent density of 0.14 g/cm3 was experimentally made from 98.9% post-consumer glass bottle and 1% CaCO3 as a foaming agent by sintering/foaming at 823 ºC in microwave field with a very low specific energy consumption (0.70 kWh/kg). A very advanced mechanical processing of glass waste (below 32 μm) and a very fine granulation (below 6.3 μm) of CaCO3 were the solutions adopted to obtain this high-performance product. The originality of the work is the use of the unconventional technique of predominantly direct microwave heating with a very high energy efficiency, applied by authors in recent years and presented in several previous papers.

References

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Published
2021-03-09
How to Cite
Paunescu, L., Axinte, S. M., Cosmulescu, F., Dragoescu, M. F., & Paunescu, B. V. (2021). Ultra-light Colorless and Green Glass Foam Produced by Microwave Radiation. Journal La Multiapp, 2(1), 1-12. https://doi.org/10.37899/journallamultiapp.v2i1.286