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논문 기본 정보

자료유형
학술저널
저자정보
Elsayed Elkhatib (Alexandria University) Mohamed Moharem (Agricultural Research Center) Ayman Mahmoud (Alexandria Fertilizers Company)
저널정보
대한환경공학회 Environmental Engineering Research Environmental Engineering Research 제25권 제6호
발행연도
2020.12
수록면
930 - 937 (8page)

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초록· 키워드

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The goal of this study was to produce a novel nano-scale material from nitrogen fertilizer industry byproduct (nNFIB) and assess its capability to remediate Cu contaminated wastewater and soil. The novel nNFIB was produced using planetary mono mill and characterized. Equilibrium and kinetics studies of Cu sorption by nNFIB were performed in batch system. The effects of a variety of factors, including pH, coexisting ions and adsorption time on Cu adsorption were investigated. Furthermore, Cu sequestration mechanism onto nNFIB was investigated using sequential extraction technique and Fourier transform infrared (FTIR) spectra before and after nNFIB adsorption. The Cu sorption equilibrium and kinetics data were successfully described by Langmuir and first-order models, respectively. The calculated maximum Cu(II) adsorption capacity (qmax) of nNFIB (100 mg g−1) was four times higher than qmax of bulk NFIB. Copper removal by nNFIB was quite fast (around 86%) in the first 5 min and gradually slowed down until achieved 100% removal at equilibrium time. The FTIR spectra and Cu fractionation data in biosolid-amended soil demonstrated that Cu sequestration in contaminated water and soil is strongly related to CaCO₃ of nNFIB. The overall findings show the potential use of nNFIB as a best management practice for Cu removal from wastewater and Cu stabilization in contaminated biosolid-amended soils.

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ABSTRACT
1. Introduction
2. Material and Methods
3. Results and Discussions
4. Conclusions
References

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UCI(KEPA) : I410-ECN-0101-2020-539-000545680