Hydrothermal solidification of diatomaceous earth with analcime formation
Hydrothermal solidification of diatomaceous earth with analcime formation
复制标题
硅藻土的水热固化并形成方沸石
DOI:
10.1007/s11164-012-0490-4
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发表时间:
2012-02
影响因子:
3.3
通讯作者:
Zhou, Lei
中科院分区:
文献类型:
--
作者:
Pan, LiLi;Jing, Zhenzi;Ishida, Emile Hideki;Wu, Ke;Zhou, Lei
Diatomaceous earth (DE) solidifies hydrothermally with analcime formation. With analcime formation, strength development was much greater than that with calcium silicate hydrate (CSH) formation. NaOH addition conditioned analcime formation because NaOH solution not only promoted dissolution of quartz and montmorillonite but also provided Na+to form the analcime. Curing temperature and time affected analcime formation, and, in this study, over 6 h (at 200 °C) and 175 °C (for 12 h), analcime seemed to form readily. After hydrothermal treatment, the skeletons of diatoms can still be seen in the solid after analcime formation but can hardly be found after CSH formation.
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影响因子:
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