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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
- 2022.12
- 수록면
- 133 - 142 (10page)
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초록· 키워드
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The aim of this study was to synthesize novel and highly efficient functionalized material (BNMPTS) for selective elimination of Cu<SUP>2+</SUP> and Cd<SUP>2+</SUP> from aqueous waste. The detailed insights of solid/solution interactions were investigated by X-Ray photoelectron spectroscopic analyses. The grafting of silane caused for significant decrease in specific surface area of bentonite from 41.14 to 4.65 ㎡/g. The functionalized material possessed significantly high sorption capacity (12.59 mg/g for Cu<SUP>2+</SUP> and 13.19 mg/g for Cd<SUP>2+</SUP>) and selectivity for these cations. The material showed very high elimination efficiency at a wide range of pH ~2.0 to 7.0 for Cu<SUP>2+</SUP>, ~3.0 to 10.0 for Cd<SUP>2+</SUP> and concentration (1.0 to 25.0 mg/L) for Cu<SUP>2+</SUP> and Cd<SUP>2+</SUP>. A rapid uptake of these two cations achieved an apparent equilibrium within 60 minutes of contact. The increased level of background electrolyte concentrations (0.0001 to 0.1 mol/L) did not affect the elimination efficiency of these two cations by BNMPTS. Moreover, the common coexisting ions did not inhibit the removal of these toxic ions. Furthermore, high breakthrough volumes i.e., 1.4 and 3.69 L for <SUP>Cu2+, </SUP>2.6 and 6.64 L for Cd<SUP>2+</SUP> was obtained using 0.25 and 0.50 g of BNMPTS respectively in a fixed-bed column operations.
목차
ABSTRACT
1. Introduction
2. Materials and Methods
3. Results and Discussions
4. Conclusions
References
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