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Journal of Nanostructures، جلد ۱۰، شماره ۴، صفحات ۸۳۸-۸۴۵
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عنوان انگلیسی Adsorption of hydrogen sulfide (H2S) by BaFe2O4-activated clay nanocomposite: preparation and evaluation
چکیده انگلیسی مقاله AbstractIn this study, BaFe2O4–activated clay nanocomposites were successfully synthesized via mechanosynthesis technique for the first time. Structural analysis of the products confirmed the nanoscale formation of nanocomposites. This study focused on adsorption of hydrogen sulfide (H2S) which is a poisonous gas and can be released from sewage sludge. Formation of nanocomposites was verified by scanning electron microscopy (SEM), energy dispersive X-ray (EDS) analysis, Fourier transform infrared (FTIR) and X-ray powder diffraction (XRD). Results showed that different loadings of barium ferrite in the nanocomposite were important for the adsorption rate. Furthermore, adsorption rate of hydrogen sulfide was improved by increasing BaFe2O4- activated clay concentration which was confirmed by statistical results. The highest average of removal efficiency was 92.79±0.90 in the concentration of 300 g.L-1and the loading of 6%. We could recycle BaFe2O4–activated clay nanocomposite 3 times without a significant decrease in activity. Enhanced performance of BaFe2O4–activated clay, compared to other nanocomposites, recommends its application for adsorptive desulfurization.
کلیدواژه‌های انگلیسی مقاله Hydrogen sulfide, Nanocomposite, Adsorption, BaFe2O4–activated clay
نویسندگان مقاله Shadi Sheibani |
Department of Environmental Health Engineering, Faculty of Health, Kashan University of Medical Sciences, Kashan, Iran

Samira Mandizadeh |
Institute of Nano Science and Nano Technology ,University of Kashan, Kashan,Iran

Seyed Golam Abbas Mousavi |
Department of Statistics, Faculty of Health, Kashan University of Medical Sciences, Kashan, Iran

Gholamreza Mostafaii |
Social Determinants of Health Research Center and Department of Environmental Health Engineering, Faculty of Health, Kashan University of Medical Sciences, Kashan, Iran

نشانی اینترنتی https://jns.kashanu.ac.ir/article_111309_d5fccb32bbba778555da67cb2992a29c.pdf
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