Use of waste production of crystalline silicon in the production of vacuum insulation release_4t2rdsiguvbinij346rsmmcjli

by Rashit Nazirov, Ivan Inzhutov, Alexey Zhzhonykh, Nikita Novikov

Published in E3S Web of Conferences by EDP Sciences.

2019   Volume 110, p01006

Abstract

The purpose of the study is to consider the possibility of using microsilica - waste of aluminum production, as filler in a vacuum insulation panel. The properties of silicon dioxide powder have been studied, and compositions and manufacturing technology of vacuum thermal insulation panels on its base have been developed. Differential thermal analysis of powders is carried out; the curves of differential thermal analysis and thermogravimetric analysis, x-ray phase analysis are obtained. The microstructure of the samples is investigated. The thermal conductivity of the manufactured panels is measured. The test results suggest that for the manufacture of low–vacuum insulation panels of microsilica powders, waste production of crystalline silicon can be used. The use of waste in the future can become the basis for the production of high-quality vacuum insulation with low cost.
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