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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.8
- 수록면
- 89 - 99 (11page)
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The present study investigated the adsorption efficiency of magnetic activated carbon was synthesized by waste biomass of Pisum sativum (peel) and pyrolysis at 500˚C temperature (MPPAC-500). Derived activated carbon was applied for removal of fluoride from aqueous solution. The MPPAC-500 was characterized by Fourier Transform Infrared Spectroscopy (FTIR), Scanning Electron Microscopy (SEM), zeta potential, X-ray Diffraction (XRD) and Particle Size Analyser. The fluoride sequestration study was performed in both batch and column systems. The batch adsorption study was focused on parameter like, adsorbent dose, contact time, pH and initial fluoride concentrations. The maximum capacity of fluoride removal was qo = 4.71 (㎎/g). Freundlich isotherm model (R²-0.995) obeyed better than Langmuir (R²-0.979) model. The RL values observed between 0-1 (R<SUB>L</SUB>-0.057) inferred the favourable adsorption. Pseudo-second-order model favoured well than pseudo-first-order in the whole experimental data. In case of column study was performed at two different bed height 5 ㎝ and 10 ㎝ having flow rate of 5 mL/min as well as 10 mL/min. The breakthrough curve and column data were interpreted by Thomas, Adams-Bohart, Yoon-Nelson and Clark model. These finding showed that MPPAC-500 has potential adsorptive capacity for fluoride removal from aqueous solutions in batch and column systems.
목차
ABSTRACT
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Possible Fluoride Adsorption Mechanism on MPPAC-500
5. Conclusions
References
참고문헌 (47)
참고문헌 신청
Inanya M, Raychoudhury T. Application of activated carbon–metal composite for fluoride removal from contaminated groundwater in India. Int. J. Environ. Sci. Technol. 2019;16: 7545-7554.
Chandrajith R, Padmasiri J, Dissanayake C, Prematilaka K. Spatial distribution of fluoride in groundwater of Sri Lanka. J. Natl. Sci. Found. Sri Lanka. 2012;40:303–309.
Craig L, Stillings LL, Decker DL, Thomas JM. Comparing activated alumina with indigenous laterite and bauxite as potential sorbents for removing fluoride from drinking water in Ghana. Appl. Geochem. 2015;56:50–66.
WHO. Chemical Fact Sheets: Fluoride, Guidelines for Drinking Water Quality (Electronic Resource), vol. 1., third edition Incorporation First Addendum, Recommendations, Geneva, 2006;375–377.
Liu J, Zhao P, Xu Y, Jia X. Mg-Al Mixed Oxide Adsorbent Synthesized Using FCT Template for Fluoride Removal from Drinking Water. Bioinorg. Chem. Appl. 2019; 5840205:1-11.
Chandrajith R, Padmasiri J, Dissanayake C, Prematilaka K. Spatial distribution of fluoride in groundwater of Sri Lanka. J. Natl. Sci. Found. Sri Lanka. 2012;40:303–309.
Craig L, Stillings LL, Decker DL, Thomas JM. Comparing activated alumina with indigenous laterite and bauxite as potential sorbents for removing fluoride from drinking water in Ghana. Appl. Geochem. 2015;56:50–66.
WHO. Chemical Fact Sheets: Fluoride, Guidelines for Drinking Water Quality (Electronic Resource), vol. 1., third edition Incorporation First Addendum, Recommendations, Geneva, 2006;375–377.
Liu J, Zhao P, Xu Y, Jia X. Mg-Al Mixed Oxide Adsorbent Synthesized Using FCT Template for Fluoride Removal from Drinking Water. Bioinorg. Chem. Appl. 2019; 5840205:1-11.
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