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Iranian Journal of Chemistry and Chemical Engineering، جلد ۴۲، شماره ۱۲، صفحات ۴۱۳۲-۴۱۴۱
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| عنوان فارسی |
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| چکیده فارسی مقاله |
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| کلیدواژه‌های فارسی مقاله |
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| عنوان انگلیسی |
3D Porous Network Structured Co and Ni Catalysts for 4-Nitrophenol Reduction Reaction |
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| چکیده انگلیسی مقاله |
3D porous network structured cobalt and nickel bead catalysts were easily greenly fabricated in the presence of chitosan for the catalytic reduction of 4-nitrophenol to 4-aminophenol. Physicochemical properties and morphology were determined using XRD, nitrogen adsorption/desorption, FT-IR, and SEM /EDS analyses. While the XRD pattern and FT-IR spectra showed the presence of chitosan, peaks related to cobalt and nickel species were not observed. Nitrogen adsorption/desorption isotherms exhibited a behavior indicating of micro-mesoporous structure. The surface area (41.24 m2/g), total pore volume (0.035 cm3/g), and pore diameter (3.59 nm) values of Ni@chitosan catalyst were acquired higher than that of Co@chitosan catalyst. EDS mapping showed that cobalt and nickel were homogeneously distributed in the chitosan structure. Co@chitosan exhibited higher catalytic activity. Reaction rate constant values were found as 0.498 and 0.074 min-1 for Co@chitosan and Ni@chitosan, respectively. The catalytic activity of the catalysts was competitive and guided for 4-nitrophenol reduction applications. |
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| کلیدواژه‌های انگلیسی مقاله |
Cobalt-nickel catalyst,chitosan beads,4-Nitrophenol,catalytic reduction reaction |
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| نویسندگان مقاله |
Filiz Akti |
Department of Chemical Engineering, Hitit University, Corum 19030, TURKEY
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| نشانی اینترنتی |
https://ijcce.ac.ir/article_706304_9c71eca18db396026d40095eb124c293.pdf |
| فایل مقاله |
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| زبان مقاله منتشر شده |
en |
| موضوعات مقاله منتشر شده |
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