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논문 기본 정보

자료유형
학술저널
저자정보
Jiwan Singh (Babasaheb Bhimrao Ambedkar University) Yoon-Young Chang (Kwangwoon University) Janardhan Reddy Koduru (Kwangwoon University) Jae-Kyu Yang (Kwangwoon University)
저널정보
대한환경공학회 Environmental Engineering Research Environmental Engineering Research 제23권 제1호
발행연도
2018.3
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1 - 9 (9page)

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초록· 키워드

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The degradation of methylene blue (MB) in an aqueous solution by nano-metallic particles (NMPs) was studied to evaluate the possibility of applying NMPs to remove MB from the wastewater. Scanning electron microscopy (SEM), Fourier-transform infrared (FTIR) spectroscopy and X-ray photoelectron spectroscopy (XPS) were used to characterize the synthesized NMPs before and after the reaction. The effects of the NMP dosage, the initial pH, the initial concentration of MB and the amount of H₂O₂ on the MB degradation outcomes were studied. The highest removal rate of MB was achieved to be 100% with an initial MB concentration of 5 mg/L, followed by 99.6% with an initial concentration of 10 mg/L under the following treatment conditions: dose of NMP of 0.15 g/L, concentration of H₂O₂-100 mM and a temperature of 25℃. The SEM analysis revealed that the nano particles were not spherical in shape. FTIR spectra shows occurrence of metal oxides on the surfaces of the NMPs. The XPS analyses results represent that Fe, Zn, N, Ca, C and O were occurred on the surfaces of the NMPs. The degradation of MB was suitable for the pseudo-first-order kinetics.

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ABSTRACT
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
References

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