In‑situ growth of ZIF‑8/CP with ultra‑high adsorption capacity for removing Malachite green from water
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서지정보
ㆍ발행기관 : 한국탄소학회
ㆍ수록지정보 : Carbon letters / 33권 / 7호
ㆍ저자명 : Jie Lou, Qiuping Fu, Lei Yu, Hui Yuan, Jie Zhao, Xinde Wei, Tong Wang, Changli Mo
ㆍ저자명 : Jie Lou, Qiuping Fu, Lei Yu, Hui Yuan, Jie Zhao, Xinde Wei, Tong Wang, Changli Mo
목차
In-situ growth of ZIF-8CP with ultra-high adsorption capacity for removing Malachite green from waterAbstract
1 Introduction
2 Experimental section
2.1 Materials
2.2 Preparation of ZIF-8CP
2.3 Adsorption experiments
3 Results and discussion
3.1 Evaluation of dye adsorption performance
3.1.1 3.1.1 Selective adsorption experiments
3.1.2 3.1.2 Morphology and characterization of the ZIF-8CP and ZIF-8CP-MG
3.2 Main factors influencing MG adsorption
3.2.1 Effect of pH
3.2.2 Effect of co-existing ions
3.3 Adsorption isotherm
3.4 Adsorption kinetics study
3.5 Absorption thermodynamics
3.6 Reusability study
4 Conclusion
Acknowledgements
References
영어 초록
An environmentally friendly and low-cost chitosan-containing polysaccharide (CP) composite ZIF-8/CP was designed and prepared based on the difficulty of separating the traditional adsorbent from the water phase. ZIF-8/CP was synthesized through in-situ growth approach. The physical, chemical and structure properties of ZIF-8/CP were determined through a series of characterization methods, including SEM, FT-IR and PXRD. The effects of touch time, pH, temperature, and coexisting ions on adsorption were assessed. In addition, kinetics, isotherms of adsorption and thermodynamics were examined. The data of isotherms for adsorption indicated that the adsorption of ZIF-8/CP on MG was similar to the Langmuir model, with a maximum adsorption capacity of 1428.57 mg/g. Moreover, the kinetic parameters were consistent with the pseudo- 2nd-order equation. Thermodynamic studies (ΔG < 0, ΔH > 0) demonstrated a heat-absorbing and spontaneous adsorption process. Our study reveals that ZIF-8/CP has good adsorption properties and environmental properties.참고 자료
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