Enhanced Single and Simultaneous As(III) Adsorption in Pearl River Delta Water by Hexylamine Functionalized Vermiculite
Abstract
:1. Introduction
2. Experimental Section
2.1. Materials and Chemicals
2.2. Preparation of Functionalized Materials
2.3. Characterization and Equipment
2.4. Potentiometric Titration Experiment
2.5. Adsorption and Desorption Experiments
3. Results and Discussion
3.1. Characterization Results
3.1.1. Spectroscopy
3.1.2. BET Analysis and Surface Morphology
3.1.3. Thermogravimetric Analysis (TGA)
3.1.4. Potentiometric Analysis
3.2. Adsorption Results
3.2.1. The Effect of Dose and pH
- As(III)mmol.g-1: (HEX-VER, 6.84 × 10−5) > (VER, 4.72 × 10−5)
3.2.2. Adsorption Isotherm Experiments
3.2.3. Adsorption Kinetics
3.2.4. Adsorption Thermodynamics
3.3. XPS Analysis
3.4. Effect of Co-Existing Ions
3.5. Pearl River (ZhuJiang) Water Adsorption Test
3.6. Desorption
3.7. Adsorption Mechanism Overview
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Conflicts of Interest
References
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Ahmed, Z.; Wu, P.; Xu, Y.; Keerio, H.A.; Wu, J.; Ye, Q.; Niu, W.; Chen, M.; Dang, Z. Enhanced Single and Simultaneous As(III) Adsorption in Pearl River Delta Water by Hexylamine Functionalized Vermiculite. Water 2021, 13, 2412. https://doi.org/10.3390/w13172412
Ahmed Z, Wu P, Xu Y, Keerio HA, Wu J, Ye Q, Niu W, Chen M, Dang Z. Enhanced Single and Simultaneous As(III) Adsorption in Pearl River Delta Water by Hexylamine Functionalized Vermiculite. Water. 2021; 13(17):2412. https://doi.org/10.3390/w13172412
Chicago/Turabian StyleAhmed, Zubair, Pingxiao Wu, Yijing Xu, Hareef Ahmed Keerio, Jiayan Wu, Quanyun Ye, Wenchao Niu, Meiqing Chen, and Zhi Dang. 2021. "Enhanced Single and Simultaneous As(III) Adsorption in Pearl River Delta Water by Hexylamine Functionalized Vermiculite" Water 13, no. 17: 2412. https://doi.org/10.3390/w13172412