Synthesis of Single-Phase Zeolite A by Coal Gasification Fine Slag from Ningdong and Its Application as a High-Efficiency Adsorbent for Cu2+ and Pb2+ in Simulated Waste Water
Abstract
:1. Introduction
2. Experimental Section
2.1. Materials and Reagents
2.2. Zeolite A Synthesis
2.3. Heavy Metal Treatment Experiment
2.4. Characterization Methods
3. Results and Discussion
3.1. Types and Contents of Substances in Coal Gasification Fine Slag
3.2. Zeolite Synthesis and Optimization
3.2.1. Effect of Solid-Phase Alkali Fusion Temperature
3.2.2. Effect of Hydrothermal Reaction Temperature
3.2.3. Effect of NaOH/CGFS (Mass Ratio)
3.2.4. Effect of Hydrothermal Synthesis Time
3.2.5. The Effect of Different Liquid–Solid Ratios
3.3. Characterization of Synthetic Zeolites
3.3.1. Infrared Spectrum
3.3.2. Specific Surface Area and SEM
3.4. Treatment of Heavy Metal Ions in Simulated Waste Water
Effects of Adsorbent Dosage, Constant Temperature Oscillation Time, pH Value of the Solution, and Mixed Ions on Removal Rate of Heavy Metal Ions
4. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Chemical Composition (wt %) | ||||||||
---|---|---|---|---|---|---|---|---|
SiO2 | Al2O3 | Na2O | Fe2O3 | MgO | CaO | K2O | TiO2 | Total |
54.5 | 15.7 | 1.77 | 7.32 | 2.76 | 10.1 | 3.43 | 1.23 | 96.81 |
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Ji, W.; Feng, N.; Zhao, P.; Zhang, S.; Zhang, S.; Lan, L.; Huang, H.; Li, K.; Sun, Y.; Li, Y.; et al. Synthesis of Single-Phase Zeolite A by Coal Gasification Fine Slag from Ningdong and Its Application as a High-Efficiency Adsorbent for Cu2+ and Pb2+ in Simulated Waste Water. ChemEngineering 2020, 4, 65. https://0-doi-org.brum.beds.ac.uk/10.3390/chemengineering4040065
Ji W, Feng N, Zhao P, Zhang S, Zhang S, Lan L, Huang H, Li K, Sun Y, Li Y, et al. Synthesis of Single-Phase Zeolite A by Coal Gasification Fine Slag from Ningdong and Its Application as a High-Efficiency Adsorbent for Cu2+ and Pb2+ in Simulated Waste Water. ChemEngineering. 2020; 4(4):65. https://0-doi-org.brum.beds.ac.uk/10.3390/chemengineering4040065
Chicago/Turabian StyleJi, Wenxin, Ning Feng, Pengde Zhao, Shiyue Zhang, Shasha Zhang, Liping Lan, Honglan Huang, Kangning Li, Yonggang Sun, Yuanyuan Li, and et al. 2020. "Synthesis of Single-Phase Zeolite A by Coal Gasification Fine Slag from Ningdong and Its Application as a High-Efficiency Adsorbent for Cu2+ and Pb2+ in Simulated Waste Water" ChemEngineering 4, no. 4: 65. https://0-doi-org.brum.beds.ac.uk/10.3390/chemengineering4040065