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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.10
- 수록면
- 685 - 692 (8page)
이용수
초록· 키워드
오류제보하기
Burning of agricultural residues has been a prevalent cause of environmental concern especially in developing countries. In the Philippines, rice husks are usually burned in open air and either usually left in the field or rarely collected to be sold in the wet market as a cleanser. Hence in this study, an alternative use of this burning residue (rice husks ash, RHA) for removal of dyes from aqueous solutions was explored. Yet, its applications in real wastewater will be difficult in its pristine powdered form. Therefore, the RHA was functionalized with Fe₃O₄ to become inherently magnetic (MRHA), providing relative ease in handling. The RHA used was obtained from the local markets of Davao City, Philippines. Systematic adsorption studies on the effects of contact time, solution pH, solid/liquid ratio, and feed concentration were conducted. MB adsorption was Langmuir-type and followed a pseudo-second-order rate model. Its adsorption rate is significantly fast (t = 10 min, k₂ = 0.015 g ㎎<SUP>-1</SUP> min<SUP>-1</SUP>) with high q<SUB>m</SUB> (150.5 ㎎ g<SUP>−1</SUP>). MRHA was highly stable and reusable (＞ 10 cycles) demonstrating its high potential as an economical alternative for treatment of dye contaminated wastewater.
목차
ABSTRACT
1. Introduction
2. Experimental
3. Results and Discussion
4. Conclusions
References
참고문헌 (49)
참고문헌 신청
Kant R. Textile dyeing industry an environmental hazard. Nat. Sci. 2012;4:22-26.
Choi HJ, Yu SW. Biosorption of methylene blue from aqueous solution by agricultural bioadsorbent corncob. Environ. Eng. Res. 2019;24:99-106.
Tezcan, U, Ates F. Low?cost adsorbent prepared from poplar sawdust for removal of disperse orange 30 dye from aqueous solutions. Int. J Environ. Sci. Technol. 2018;16:899-908.
Mohammadi A, Alinejad A, Kamarehie B, Javan S, Ghaderpoury A, Ahmadpour M. Metal-organic framework Uio-66 for adsorption of methylene blue dye from aqueous solutions. Int. J. Environ. Sci. Technol. 2017;14:1959-1968.
Sharma P, Kaur R, Baskar C, Chung WJ. Removal of methylene blue from aqueous waste using rice husk and rice husk ash. Desalination 2010;259:249-257.
Choi HJ, Yu SW. Biosorption of methylene blue from aqueous solution by agricultural bioadsorbent corncob. Environ. Eng. Res. 2019;24:99-106.
Tezcan, U, Ates F. Low?cost adsorbent prepared from poplar sawdust for removal of disperse orange 30 dye from aqueous solutions. Int. J Environ. Sci. Technol. 2018;16:899-908.
Mohammadi A, Alinejad A, Kamarehie B, Javan S, Ghaderpoury A, Ahmadpour M. Metal-organic framework Uio-66 for adsorption of methylene blue dye from aqueous solutions. Int. J. Environ. Sci. Technol. 2017;14:1959-1968.
Sharma P, Kaur R, Baskar C, Chung WJ. Removal of methylene blue from aqueous waste using rice husk and rice husk ash. Desalination 2010;259:249-257.
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UCI(KEPA) : I410-ECN-0101-2020-539-000465309