Catalytic Decolorization of Rhodamine B, Congo Red, and Crystal Violet Dyes, with a Novel Niobium Oxide Anchored Molybdenum (Nb–O–Mo)
Abstract
:1. Introduction
2. Result and Discussion
3. Experimental
3.1. Materials and Chemicals
3.2. Preparation of the Catalyst
3.3. Experimental Procedure for Oxidative Decolorization of Rh B, Congo Red, and Crystal Violet
3.4. Characterization
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Angle (2 Ɵ) | Intensity | |
---|---|---|
Nb2O5 | Nb–O–Mo | |
22.59 | 16,452 | 9156 |
28.36 | 11,108 | 6451 |
36.58 | 4470 | 2577 |
46.14 | 3107 | 1682 |
49.90 | 1468 | 965 |
50.98 | 1949 | 1222 |
55.43 | 2045 | 1258 |
Dye Concentration | R2 | k [min−1] |
---|---|---|
Rh B 20 ppm 298 K | 0.9948 | 1.944 |
Rh B 50 ppm 298 K | 0.9995 | 2.220 |
Rh B 50 ppm 318 K | 0.9993 | 2.226 |
Congo Red 20 ppm 298 K | 0.9931 | 2.940 |
Congo Red 50 ppm 298 K | 0.9988 | 1.986 |
Crystal Violet 20 ppm 298 K | 0.9896 | 3.486 |
Crystal Violet 50 ppm 298 K | 0.9834 | 7.116 |
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Kadam, R.L.; Kim, Y.; Gaikwad, S.; Chang, M.; Tarte, N.H.; Han, S. Catalytic Decolorization of Rhodamine B, Congo Red, and Crystal Violet Dyes, with a Novel Niobium Oxide Anchored Molybdenum (Nb–O–Mo). Catalysts 2020, 10, 491. https://doi.org/10.3390/catal10050491
Kadam RL, Kim Y, Gaikwad S, Chang M, Tarte NH, Han S. Catalytic Decolorization of Rhodamine B, Congo Red, and Crystal Violet Dyes, with a Novel Niobium Oxide Anchored Molybdenum (Nb–O–Mo). Catalysts. 2020; 10(5):491. https://doi.org/10.3390/catal10050491
Chicago/Turabian StyleKadam, Rahul L., Yeonhee Kim, Sanjit Gaikwad, Mincheol Chang, Naresh H. Tarte, and Sangil Han. 2020. "Catalytic Decolorization of Rhodamine B, Congo Red, and Crystal Violet Dyes, with a Novel Niobium Oxide Anchored Molybdenum (Nb–O–Mo)" Catalysts 10, no. 5: 491. https://doi.org/10.3390/catal10050491