Journal
JOURNAL OF ENVIRONMENTAL MANAGEMENT
Volume 238, Issue -, Pages 257-262Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jenvman.2019.03.003
Keywords
Kaolinite; Microwave; Modification; Pickering; Emulsion stabilization; Oil recovery
Categories
Funding
- National Natural Science Foundation of China [51576050]
- Guangzhou Municipal Science and Technology Project [201704030107]
- China Scholarship Council
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A facile one-step microwave-assisted method was proposed for kaolinite intercalation and grafting. The structure, morphology, composition, and size distribution of kaolinite sheets were investigated using various methods, including X-ray diffraction (XRD), scanning electron microscopy (SEM), Fourier transform infrared (FTIR) spectroscopy, and thermogravimetric (TG) analysis. The potential application of the modified kaolinite as an oil/water emulsion stabilizer was studied. The results verified that intact kaolinite sheets were obtained. The dodecane/water emulsion stabilized by the modified kaolinite remained stable for more than 60 days. The effective performance suggests that the effectiveness of the proposed kaolinite modification method may be useful for Pickering emulsion stabilization in oil recovery applications.
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