지원사업
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
- 2015.10
- 수록면
- 332 - 339 (8page)
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초록· 키워드
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The objective of this study was to evaluate the effectiveness of different biochars on the removal of heavy metals from aqueous media. The experiment was carried out in aqueous solutions containing 200 mg CdL<SUP>-1</SUP> or 200 mg PbL<SUP>-1</SUP> using two different biochars derived from soybean stover and orange peel (20 mg Cd or Pbg<SUP>-1</SUP> biochar). After shaking for 24 hours, biochars were filtered out, and Cd and Pb in the filtrate were analyzed by flame atomic absorption spectrophotometer (FAAS). In order to provide information regarding metal binding strength on biochars, sequential extraction was performed by modified SM&T (formerly BCR). The results showed that 70∼100% of initially added Cd and Pb was adsorbed on biochars and removed from aqueous solution. The removal rate of Pb (95%, 100%) was higher than that of Cd (70%, 91%). In the case of Cd, orange peel derived biochar (91%) showed higher adsorption rate than soybean stover derived biochar (70%). Cd was adsorbed on the biochar mainly in exchangeable and carbonates fraction (1st phase). In contrast, Pb was adsorbed on it mainly in the form of Fe-Mn oxides and residual fraction (2nd and 4th phase). The existence of Cd and Pb as a form of surface-precipitated complex was also observed on the surfaces of biochars detected by field emission scanning electron microscope (FESEM) and energy dispersive X-ray spectrometer (EDAX).
목차
Introduction
Materials and Methods
Results and Discussion
Conclusion
References
참고문헌 (34)
참고문헌 신청
[학술지(정기간행물)] - Ahmad M / 2012 / Effects of pyrolysis temperature on soybean stover- and peanut shell-derived biochar properties and TCE adsorption in water / Bioresour. Technol 118 : 536 ~ 544
[학술지(정기간행물)] - Anthemidis A. N. / 2009 / Development of a sequential injection dispersive liquid-liquid microextraction system for electrothermal atomic absorption spectrometry by using a hydrophobic sorbent material: Determination of lead and cadmium in natural waters / Anal. Chimi.Acta 668 : 35 ~ 40
[학술지(정기간행물)] - 배선영 / 2011 / 열수탄화반응으로 제조한 배추의 바이오차를 이용한 납과 아연의 흡착 / 한국환경분석학회지 14 (4) : 228 ~ 233
[학술지(정기간행물)] - Cao X. / 2009 / Dairy-manure derived biochar effectively sorbs lead and atrazine / Environ. Sci. Technol 43 : 3285 ~ 3291
[학술지(정기간행물)] - Chen B. / 2009 / Sorption of naphthalene and 1-naphthol by biochars of orange peels with different pyrolytic temperatures / Chemoshere 76 : 127 ~ 133
[학술지(정기간행물)] - Anthemidis A. N. / 2009 / Development of a sequential injection dispersive liquid-liquid microextraction system for electrothermal atomic absorption spectrometry by using a hydrophobic sorbent material: Determination of lead and cadmium in natural waters / Anal. Chimi.Acta 668 : 35 ~ 40
[학술지(정기간행물)] - 배선영 / 2011 / 열수탄화반응으로 제조한 배추의 바이오차를 이용한 납과 아연의 흡착 / 한국환경분석학회지 14 (4) : 228 ~ 233
[학술지(정기간행물)] - Cao X. / 2009 / Dairy-manure derived biochar effectively sorbs lead and atrazine / Environ. Sci. Technol 43 : 3285 ~ 3291
[학술지(정기간행물)] - Chen B. / 2009 / Sorption of naphthalene and 1-naphthol by biochars of orange peels with different pyrolytic temperatures / Chemoshere 76 : 127 ~ 133
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UCI(KEPA) : I410-ECN-0101-2016-521-002012858