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논문 기본 정보

자료유형
학술저널
저자정보
Hua Deng (Guangxi Normal University) Ya Fen Li (Guangxi Normal University) Shu Qi Tao (Guangxi Normal University) An Yu Li (Guangxi Normal University) Qiu Yan Li (Guangxi Normal University) Le Ning Hu (Guangxi Normal University)
저널정보
대한환경공학회 Environmental Engineering Research Environmental Engineering Research 제27권 제3호
발행연도
2022.6
수록면
129 - 137 (9page)

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초록· 키워드

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In this study, banana biochar (BB) and cassava biochar (CB) were roasted in a tube furnace at 400℃ for 2 h, and their adsorption effects on malachite green (MG) were studied. The removal of MG with respect to the solution concentration and reaction time was also investigated. The results show that the optimal amount of biochar is 2 g/L. Studies of the adsorption kinetics and adsorption isotherms show that the pseudo-second-order kinetics can most accurately reflect the adsorption process. Freundlich model fits the experimental data well. The theoretical saturated adsorption capacities of BB and CB are 1,092.80 mg/g and 261.42 mg/g, respectively. SEM-EDS, TGA, BET, FTIR, XRD, element analysis and other characterization techniques were used to explore the adsorption mechanism. Based on the characterization results, it is speculated that the adsorption of BB and CB for MG mainly includes chemical adsorption and physical adsorption.

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ABSTRACT
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
References

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