Article | REF: N3303 V1

Geopolymers - Precursors and properties

Authors: Sylvie ROSSIGNOL, Ameni GHARZOUNI

Publication date: October 10, 2022

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4. Examples of other aluminosilicate sources: effect of temperature treatment mode

Other, more abundant and less expensive aluminosilicate sources can also be used.

4.1 Callovo-Oxfordian argillite

The Callovo-Oxfordian argillite, located between – 420 and – 540 m from the Earth's surface, is the host rock for geological disposal of long-lived intermediate-level and high-level radioactive waste packages. Argillite, the excavated soil, is mainly composed of clay minerals (52.0%, illite, interlayered illite – smectite and chlorite), tectosilicates (19.0%, quartz, potassium feldspar and plagioclase) and carbonate species (22.2%, calcite and dolomite) ...

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Examples of other aluminosilicate sources: effect of temperature treatment mode