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Efficient preparation of kaolinite/methanol intercalation composite by using a Soxhlet extractor
Hao Qu1, Sihui He1, Haiquan Su2
1Inner Mongolia Key Laboratory of Chemistry and Physics of Rare Earth Materials, School of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, 010021, China.
Scientific Reports
|June 8, 2019
Summary
A novel Soxhlet extractor method efficiently synthesizes kaolinite/methanol intercalation composite (KMe) in 8 hours. This process recycles methanol and yields high-quality kaolinite nanoscrolls.
Area of Science:
- Materials Science
- Clay Science
Background:
- Kaolinite/methanol intercalation composite (KMe) is crucial for inorganic/organic hybrid materials and nanoscrolls.
- Current KMe synthesis is slow, methanol-intensive, and complex, limiting applications.
Purpose of the Study:
- To develop an efficient and faster method for KMe synthesis.
- To enable methanol recycling and improve KMe precursor applications.
Main Methods:
- Utilized a Soxhlet extractor for continuous displacement synthesis.
- Employed kaolinite/DMSO intercalation composite (KD) as a precursor.
- Characterized the KMe formation using X-ray diffraction (XRD) and infrared spectroscopy (IR).
Main Results:
- Achieved efficient KMe synthesis in 8 hours, significantly faster than existing methods.
- Demonstrated complete displacement of DMSO by methanol.
- Confirmed methanol recyclability within the process.
- Successfully produced kaolinite nanoscrolls in high yield from the synthesized KMe.
Conclusions:
- The Soxhlet extractor method offers a rapid, efficient, and sustainable route for KMe synthesis.
- This optimized process facilitates broader applications of KMe, particularly in nanoscroll production.
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