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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.6
- 수록면
- 136 - 149 (14page)
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초록· 키워드
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In this study, the potential of modified rice bran (MRB) was investigated for the elimination of crystal violet (CV) from plotted effluent. In this regard, rice bran (RB) was modified by chlorosulfonic acid. The results of FTIR, EDX, and SEM analysis showed structural change, an increase in the amount of sulfur, and the formation of a new band (998 and 1,225 ㎝<SUP>-1</SUP>) in MRB, respectively. The impact of different variables such as contact time, MRB dosage, pH, CV concentration, and ions content on removal efficiency was studied by using batch experiments. In addition, response surface methodology was employed to optimize the experiments. The maximum removal efficiency of 97.4% was obtained at the adsorbent dosage of 2 g L<SUP>-1</SUP>, initial CV concentration of 100 ㎎ L<SUP>-1</SUP>, and contact time of 42.75 min. The highest adsorption capacity of 603 ㎎ g-1 was acquired by the Langmuir model. The best description of kinetic data was achieved by the Elovich model. The thermodynamic study of the adsorption indicated an endothermic and spontaneous reaction. MRB could be regenerated by HCl 0.5 ㏖ L<SUP>-1</SUP> and removal efficiency was declined 10 percent after 5 adsorption/desorption cycles. It was concluded that MRB is an operational adsorbent to remove CV from effluents.
목차
ABSTRACT
1. Introduction
2. Material and Methods
3. Results and Discussion
4. Conclusions
References
참고문헌 (51)
참고문헌 신청
Shindy A / 2017 / Problems and solutions in colors, dyes and pigments chemistry : a review / Chem. Int 3:97~105
Sohrabi MR / 2016 / Optimization of Reactive Blue 21 removal by Nanoscale Zero-Valent Iron using response surface methodology / Arab. J. Chem 9:518~525
Bhatti HN / 2017 / Adsorptive behavior of rice bran-based composites for malachite green dye : Isotherm, kinetic and thermodynamic studies / J. Mol. Liq 237:322~333
Georgin J / 2018 / Biosorption of cationic dyes by Pará chestnut husk(Bertholletia excelsa) / Water Sci. Technol 77:1612~1621
Iqbal M / 2019 / Bioassays based on higher plants as excellent dosimeters for ecotoxicity monitoring : A review / Chem. Int 5:1~80
Sohrabi MR / 2016 / Optimization of Reactive Blue 21 removal by Nanoscale Zero-Valent Iron using response surface methodology / Arab. J. Chem 9:518~525
Bhatti HN / 2017 / Adsorptive behavior of rice bran-based composites for malachite green dye : Isotherm, kinetic and thermodynamic studies / J. Mol. Liq 237:322~333
Georgin J / 2018 / Biosorption of cationic dyes by Pará chestnut husk(Bertholletia excelsa) / Water Sci. Technol 77:1612~1621
Iqbal M / 2019 / Bioassays based on higher plants as excellent dosimeters for ecotoxicity monitoring : A review / Chem. Int 5:1~80
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