Single-stage technogy for granulated foam glass production based on the composition of Tripoli and technogical microsilica

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Abstract

The possibility of foam glass production by means of one-stage technology based on the natural Tripoli and technogenic silica is determined. 45 % sodium hydroxide solution is used for the synthesis of foam glass. The addition of microsilica as an extra component in an amount of 10 to 50 wt. % in batch component increases the strength of the obtained material to 4 MPa and reduces foaming temperature from 870 to 830 °C. The increased mechanical strength of the material is due to the residual quartz dissolution and cristobalite crystallization. The samples obtained from batch with 30 wt. % microsilica have maximum strength.
Original languageEnglish
JournalIOP Conference Series: Earth and Environmental Science
Volume43
Issue number1
DOIs
Publication statusPublished - 11 Oct 2016

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