期刊
JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY
卷 42, 期 11, 页码 1640-1650出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/01932691.2020.1776129
关键词
Fe anchored aminoclay; hazardous pollutants; XPS; nitrophenol reduction; Schiff base
A novel Fe anchored aminoclay was synthesized and tested for its catalytic activities in reduction and oxidation reactions. The Fe-AC system showed high efficiency in removing pollutants like fluorescein dye, nitrophenol, and Cr(VI). The catalyst yielded higher k(app) values for individual pollutants and 91% reduction of Cr(VI) and NP was achieved in a 12-minute binary mixture. The oxidation activity of Fe-AC catalyst was confirmed through Schiff base formation and (1)H-NMR spectra.
A novel Fe anchored aminoclay was prepared and characterized. The prepared novel Fe-AC catalyst was tested toward both the reduction and oxidation reactions. The catalytic reduction was achieved toward the removal of the three pollutants such as fluorescein dye, nitrophenol (NP) and Cr(VI) using Fe-AC system. The catalytic reduction study was quantified by UV-visible spectroscopy and thek(app)value was determined to assess the reduction efficiency of the prepared catalyst on the removal of hazardous pollutants. The Fe-AC catalyst yielded higherk(app)values for the reduction of individual pollutant than the binary and tri-pollutant systems. 91% of Cr(VI) and NP was found to be reduced in 12 mins in their binary pollutants mixture. The Schiff base formation was also carried out to examine the oxidation activity of Fe-AC catalyst and the same was confirmed through(1)H-NMR spectra.
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