2001
DOI: 10.1016/s0926-3373(01)00220-x
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Characterization and activity of Fe-ZSM-5 catalysts for the total oxidation of phenol in aqueous solutions

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Cited by 74 publications
(36 citation statements)
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“…ESR results (Fig. 6) 22 From these results, it can be confirmed that both framework and extra-framework Fe appear together in the Fe-MFI samples.…”
Section: Effect Of Iron Concentrationsupporting
confidence: 53%
“…ESR results (Fig. 6) 22 From these results, it can be confirmed that both framework and extra-framework Fe appear together in the Fe-MFI samples.…”
Section: Effect Of Iron Concentrationsupporting
confidence: 53%
“…2 together with the parent ZSM-5 zeolite used in ion exchange. All samples exhibited the typical diffractograms of the MFI framework (2u = 7-98 and 23-258) which emphasized high dispersion of Cu and Fe ions in compensating positions inside zeolites [24][25][26][27][28][29][30][31][32]. The course of the baseline indicated that no-impurity phase was observed.…”
Section: X-ray Diffraction Studiesmentioning
confidence: 99%
“…The bands at about 1100 and 445 cm À1 are due to the internal vibrations of (Si, Al) O 4 tetrahedra of ZSM-5, whereas the bands at 1225 and 800 cm À1 are due to vibrations related to external linkages between tetrahedral and hence sensitive to framework structure. The band at 550 cm À1 has been assigned to the five membered ring of the pentasil zeolite structure [22,23,25,28,33]. The band appearing at around 650 cm À1 was related to CuO vibration mode and -(Si-O-Fe) n -symmetric stretching vibration band [23,33,34].…”
Section: Ftir Measurementsmentioning
confidence: 99%
“…Iron and copper containing zeolites show redox properties because these metals can change their oxidation states [1][2][3][4][5][6][7][8][9][10][11][12][13][14]. Recently, high catalytic activity of iron containing zeolites for phenol oxidation [15,16] and for degradation of dyes [2,3] has been reported. Supported Fe-saponite clay catalysts revealed to be quite active in the Fenton-like oxidation of Orange II [4].…”
Section: Introductionmentioning
confidence: 99%