Hardening mechanism of low-temperature (100°C) solidification of clay brick waste containing NaOH

Hardening mechanism of low-temperature (100°C) solidification of clay brick waste containing NaOH Low temperature (100 °C) solidification of clay brick waste has been achieved by use of NaOH solution after addition of calcium hydroxide. Flexural strength was approximately 26 MPa for specimens containing 30 % (m/m) calcium hydroxide which had been treated with 3 M NaOH then solidified for 48 h. The development of strength of the specimens was found to be mainly because of C–S–H gel or Al-substituted C–S–H gel formation. This C–S–H (Al-substituted C–S–H) gel formation within the specimen resulted in a denser matrix, which in turn enhanced the strength. Low-temperature (100 °C) solidification technology could have high potential for recycling and reuse of clay brick waste on a large scale by use of a continuous solidification process. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Hardening mechanism of low-temperature (100°C) solidification of clay brick waste containing NaOH

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Springer Netherlands
Copyright © 2013 by Springer Science+Business Media Dordrecht
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
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