Mineralogy Characteristic and Controllable Retrofit Technology of Bentonite

PENG Tongjiang; SUN Hongjuan; LUO Liming; LIU Bo

doi:10.13779/j.cnki.issn1001-0076.2019.06.014

2019 Vol. 39, No. 6

Article Contents

Article navigation > Conservation and Utilization of Mineral Resources > 2019 > 39(6): 93-100

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PENG Tongjiang, SUN Hongjuan, LUO Liming, LIU Bo. Mineralogy Characteristic and Controllable Retrofit Technology of Bentonite[J]. Conservation and Utilization of Mineral Resources, 2019, 39(6): 93-100. doi: 10.13779/j.cnki.issn1001-0076.2019.06.014

Citation:

PENG Tongjiang, SUN Hongjuan, LUO Liming, LIU Bo. Mineralogy Characteristic and Controllable Retrofit Technology of Bentonite[J]. Conservation and Utilization of Mineral Resources, 2019, 39(6): 93-100. doi: 10.13779/j.cnki.issn1001-0076.2019.06.014

Mineralogy Characteristic and Controllable Retrofit Technology of Bentonite

1.
Center of Forecasting and Analysis, Southwest University of Science and Technology, Mianyang 621010, China
2.
Institute of Mineral Materials and Applications, Southwest University of Science and Technology, Mianyang 621010, China
3.
Sichuan Engineering Lab of Nonmetallic Mineral Powder Modification & High-quality Utilization, Southwest University of Science and Technology, Mianyang 621010, China
4.
Nuclear Wastes and Environmental Safety Laboratory, Southwest University of Science and Technology, Mianyang 621010, China
5.
School of National Defense Science and Technology College, Southwest University of Science and Technology, Mianyang 621010, China

Received Date: 19 November 2019

Publish Date: 25 December 2019

Abstract

Abstract

Based on the properties of bentonite, the deep processing technology and application of montmorillonite were discussed on the basis of systematically expounding the composition, structure and physical and chemical properties of montmorillonite. Research showed that montmorillonite has excellent controllable retrofit, and can be exfoliated and dispersed to prepare gel by sodium modification, organic intercalation and pillared montmorillonite can be prepared by cationic exchange modification, and organic monomer and metal oxide precursor can be further introduced into montmorillonite interlayer domain. Montmorillonite/polymer nanomaterials and oxide/montmorillonite nanocomposites were prepared by in-situ polymerization and hydrolysis, dehydroxyl and nucleation crystallization. Zeolites and albites can be synthesized at low temperature and atmospheric pressure by using the characteristics of large specific surface area and strong chemical reaction activity of montmorillonite. A series of new functional montmorillonite materials can be prepared through controllable retrofit and deep processing, and have a wide range of applications in strategic new industries.
- bentonite /
- montmorillonite /
- controllable retrofit /
- deep processing /
- new functional materials

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References

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