Montmorillonite-based photoresponsive microcapsules for efficient removal of chromium

被引：1
|
作者：
Acheampong, Edward Opong [1 ]
Wang, Ke [1 ]
Lv, Rui [1 ]
Lin, Sen [1 ]
Sun, Shiyong [1 ]
Golubev, Yevgeny Aleksandrovich [2 ]
Kotova, Elena Leonidovna [3 ]
Kotova, Olga Borisovna [2 ]
机构：
[1] Southwest Univ Sci & Technol, Sch Environm & Resource, Key Lab Solid Waste Treatment, Resource Recycle Minist Educ, Mianyang 621010, Sichuan, Peoples R China
[2] Yushkins Inst Geol, Komi Sci Ctr, Ural Branch RAS, ul Pervomay Skaya54, Syktyvkar 167982, Russia
[3] Min State Univ St Petersburg, 21St Line, St Petersburg 199106, Russia
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2023年 / 332卷 / 09期
基金：
中国国家自然科学基金; 俄罗斯科学基金会;
关键词：
Montmorillonite; g-C3N4; Microcapsules; Chromium; Photocatalysis; CARBON NITRIDE; PHOTOCATALYTIC ACTIVITY; REDUCTION; CR(VI); TIO2; ADSORPTION; G-C3N4; WATER; LEAD; VI;
D O I：
10.1007/s10967-023-09039-4
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Pickering emulsion method is used to construct photo-responsive metal-free microcapsules comprising graphitic carbon nitride (g-C3N4) nanosheets dispersed in montmorillonite (Mt) colloidosomes. Morphology characterization revealed a spherical-shaped microcapsule with diameter ranges from 5 to 50 & mu;m. Cr (VI) was employed as a target contaminant to evaluate the photocatalytic performance of the microcapsules. Batch investigation showed pH 3 to be the optimal condition with a complete Cr (VI) removal. XPS analysis proved that the as-prepared microcapsule is able to reduce Cr (VI) to Cr (III).
引用
收藏
页码：3675 / 3686
页数：12
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