Recycling waste glasses by means of the hydrothermal hot pressing method

The recycling of waste glass powder by means of compaction using the hydrothermal hot pressing process was evaluated. Using a powder of bin waste glass with particle size between 46 and 53 micron, studies were made of the effects of water content and temperature on the tensile strength and the appar...

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Bibliographic Details
Published in:Journal of materials science letters 1999, Vol.18 (22), p.1811-1813
Main Authors: VELOZA, Z. M, YANAGIZAWA, K, YAMASAKI, N
Format: Article
Language:English
Subjects:
Applied sciences
Building materials. Ceramics. Glasses
Chemical industry and chemicals
Exact sciences and technology
Glasses
Manufacture
Other wastes and particular components of wastes
Pollution
Wastes
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Summary:The recycling of waste glass powder by means of compaction using the hydrothermal hot pressing process was evaluated. Using a powder of bin waste glass with particle size between 46 and 53 micron, studies were made of the effects of water content and temperature on the tensile strength and the apparent density of solidified compacts. These variables had a more significant effect on the compaction of the powder than the loading pressure and the reaction interval. Increase of either temperature or water content led to the continuous formation of a new phase which resulted in the filling of residual intergranular pores and an abrupt hardening. 13 refs.
ISSN:0261-8028
DOI:10.1023/A:1006622616850