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Date Published: 28/11/2025
Abstract Views: 7
Issue
Vol. 22 No. 11 (2025)
Section
Natural Sciences and Technology
How to Cite
Nguyễn , V. M., Dang Hoang, D., Nguyen Hong Phuong, V., Nguyen Hoang Quoc, H., & Nguyen Thanh Phuoc, A. (2025). SYNTHESE OF MOF-801 MATERIAL AND EVALUATION OF ADSORPTION ABILITY OF TOXIC CHROMIUM(VI) IN AQUEOUS MEDIUM. Ho Chi Minh City University of Education Journal of Science, 22(11). https://journal.hcmue.edu.vn/index.php/hcmuejos/article/view/4855

SYNTHESE OF MOF-801 MATERIAL AND EVALUATION OF ADSORPTION ABILITY OF TOXIC CHROMIUM(VI) IN AQUEOUS MEDIUM

Dr. Nguyễn Văn Mỷ , Duong Dang Hoang1, Vi Nguyen Hong Phuong1, Huy Nguyen Hoang Quoc1, Anh Nguyen Thanh Phuoc1
1 Trường Đại học Sư phạm Thành phố Hồ Chí Minh

Main Article Content

Abstract

In this work, MOF-801 was successfully synthesized by incorporating the fumaric acid linker and Zr4+ salt by the solvothermal procedure. Full characterizations of MOF-801 were analyzed through physicochemical methods such as powder X-ray diffraction, Fourier transform infrared spectroscopy, thermogravimetric analysis, and surface morphology analyses. Noteworthily, the maximum Cr(VI) adsorption capacity onto MOF-801 is 103.9 mg·g-1 at pH = 2, much higher than previously published MOF materials. Besides, the gained data of the Cr(VI) uptake is fitted with Langmuir isotherm and pseudo-second-order models, indicating that the Cr(VI) adsorption over MOF-801 is a chemical adsorption. In particular, the architectural stability of MOF-801 is maintained after adsorption, with the uptake efficiency of Cr(VI) without any significant loss after seven consecutive cycles. These results show that MOF-801 could be a promising absorbent in removing highly toxic Cr(VI) from an aqueous medium.

Keywords

Zr-MOFs, Heavy metal ion, Cr(VI), Adsorption, Wastewater treatment

Article Details

References

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