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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.9
- 수록면
- 434 - 442 (9page)
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초록· 키워드
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The present study investigated a novel calcium hydroxide-coated dairy manure-derived biochar (Ca-BC) for adsorption of phosphate from water and dairy wastewater. The Ca-BC showed much higher adsorption of phosphate than that of dairy manure-derived biochar. The Ca-BC possessed mainly the calcium hydroxide and various functional groups resulting in high reactivity between phosphate and calcium hydroxide in the Ca-BC. The adsorption of phosphate onto Ca-BC followed pseudo-second order kinetic and Freundlich isotherm models indicating chemisorptive interaction occurred on energetically heterogeneous surface of Ca-BC. The maximum adsorption capacity of the Ca-BC was higher than those of iron oxide and zinc oxide-coated biochars, but lower than those of CaO- and MgO-coated biochars. However, the Ca-BC showed high reactivity per surface area for adsorption of phosphate indicating importance of surface functionalization of biochar. On the other hand, the adsorption of phosphate in dairy wastewater on Ca-BC was lower than that in water owing to competition between other anions in wastewater and phosphate. Overall, the Ca-BC would be a low cost and effective adsorbent for recovery of phosphate from water and wastewater.
목차
ABSTRACT
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
References
참고문헌 (49)
참고문헌 신청
Cie?lik B, Konieczka P. A review of phosphorus recovery methods at various steps of wastewater treatment and sewage sludge management. The concept of “no solid waste generation” and analytical methods. J. Clean. Prod. 2017;142:1728-1740.
Li R, Wang JJ, Zhou B, et al. Recovery of phosphate from aqueous solution by magnesium oxide decorated magnetic biochar and its potential as phosphate-based fertilizer substitute. Bioresour. Technol. 2016;215:209-214.
Shepherd JG, Sohi SP, Heal KV. Optimising the recovery and re-use of phosphorus from wastewater effluent for sustainable fertiliser development. Water Res. 2016;94:155-165.
Shih Y-J, Abarca RRM, de Luna MDG, Huang Y-H, Lu M-C. Recovery of phosphorus from synthetic wastewaters by struvite crystallization in a fluidized-bed reactor: Effects of ph, phosphate concentration and coexisting ions. Chemosphere 2017;173:466-473.
McDowell RW, Sharpley AN. Approximating phosphorus release from soils to surface runoff and subsurface drainage. J. Environ. Qual. 2001;30:508-520.
Li R, Wang JJ, Zhou B, et al. Recovery of phosphate from aqueous solution by magnesium oxide decorated magnetic biochar and its potential as phosphate-based fertilizer substitute. Bioresour. Technol. 2016;215:209-214.
Shepherd JG, Sohi SP, Heal KV. Optimising the recovery and re-use of phosphorus from wastewater effluent for sustainable fertiliser development. Water Res. 2016;94:155-165.
Shih Y-J, Abarca RRM, de Luna MDG, Huang Y-H, Lu M-C. Recovery of phosphorus from synthetic wastewaters by struvite crystallization in a fluidized-bed reactor: Effects of ph, phosphate concentration and coexisting ions. Chemosphere 2017;173:466-473.
McDowell RW, Sharpley AN. Approximating phosphorus release from soils to surface runoff and subsurface drainage. J. Environ. Qual. 2001;30:508-520.
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UCI(KEPA) : I410-ECN-0101-2019-539-000448561