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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.8
- 수록면
- 536 - 544 (21page)
이용수
초록· 키워드
오류제보하기
To address organic dye wastewater, economic and effective adsorbents are required. Here, magnetic biochar from alkali-activated rice straw (AMBC) was successfully synthesized using one-step magnetization and carbonization method. The alkaline activation caused the large specific surface area, high pore volume and abundant oxygen-containing groups of the AMBC, and the magnetization gave the AMBC a certain degree of electropositivity and fast equilibrium characteristics. These characteristics collectively contributed to a relative high adsorption capacity of 53.66 mg g<SUP>−1</SUP> for this adsorbent towards rhodamine B (RhB). In brief, RhB can spontaneously adsorb onto the heterogeneous surface of the AMBC and reach the equilibrium in 60 min. Although the initial pH, ionic strength and other substances of the solution affected the adsorption performance of the AMBC, it could be easily regenerated and reused with considerable adsorption content. Based on the results, H-bonds, π–π stacking and electrostatic interactions were speculated as the primary mechanisms for RhB adsorption onto the AMBC, which was also demonstrated by the FTIR analysis. With the advantageous features of low cost, easy separation, considerable adsorption capacity and favorable stability and reusability, the AMBC would be a potential adsorbent for removing organic dyes from wastewater.
목차
ABSTRACT
1. Introduction
2. Material and Methods
3. Results and Discussion
4. Conclusions
References
참고문헌 (45)
참고문헌 신청
Bhatia D, Sharma NR, Singh J, Kanwar RS. Biological methods for textile dye removal from wastewater: A review. Crit. Rev. Env. Sci. Technol. 2017;47:1836-1876.
Belpaire C, Reyns T, Geeraerts C, Van Loco J. Toxic textile dyes accumulate in wild European eel Anguilla anguilla. Chemosphere 2015;138:784-791.
Chung K. Azo dyes and human health: A review. J. Environ. Sci. Health Part C. 2016;34:233-261.
Jain R, Mathur M, Sikarwar S, Mittal A. Removal of the hazardous dye rhodamine B through photocatalytic and adsorption treatments. J. Environ. Manage. 2007;85:956-964.
Oladipo AA, Ifebajo AO. Highly efficient magnetic chicken bone biochar for removal of tetracycline and fluorescent dye from wastewater: two-stage adsorber analysis. J. Environ. Manage. 2018;209:9-16.
Belpaire C, Reyns T, Geeraerts C, Van Loco J. Toxic textile dyes accumulate in wild European eel Anguilla anguilla. Chemosphere 2015;138:784-791.
Chung K. Azo dyes and human health: A review. J. Environ. Sci. Health Part C. 2016;34:233-261.
Jain R, Mathur M, Sikarwar S, Mittal A. Removal of the hazardous dye rhodamine B through photocatalytic and adsorption treatments. J. Environ. Manage. 2007;85:956-964.
Oladipo AA, Ifebajo AO. Highly efficient magnetic chicken bone biochar for removal of tetracycline and fluorescent dye from wastewater: two-stage adsorber analysis. J. Environ. Manage. 2018;209:9-16.
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UCI(KEPA) : I410-ECN-0101-2020-539-000378783