Preparation of Mesoporous SiO2 and ZnO•SiO2 Composite from Raw Rice Husk for Removal of Organic Dye
Main Article Content
Abstract
Mesoporous SiO2 and ZnO•SiO2 composite (10 wt.% of SiO2) were prepared from rice husk for removal of organic dye (Janus Green B, JGB). As-prepared samples were characterized by XRD, FE-SEM, FT-IR, and N2 adsorption/desorption isotherms. SiO2 was observed as mesoporous material with large surface area (98.2 m2/g) and high pore volume (0.746 cm3/g). However, these values were significantly decreased when ZnO doped in ZnO•SiO2 composite. The performance of SiO2 was evaluated by adsorption of JGB and performance of ZnO•SiO2 composite was evaluated by photo-degradation of JGB under low UV intensity (8 W). The adsorption capacity of SiO2 was 3379.5 mg/g and adsorption rate was 0.062 min-1. The degradation efficiency of JGB on ZnO•SiO2 composite was 97.9% in 60 min and degradation rate was 0.061 min-1.
Keywords
Photo-degradation, Zinc oxide, Mesoporous silica, Rice Husk, Janus green B
Article Details
References
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[4] Z.-g. Jia, K.-k. Peng, Y.-h. Li, R.-s. Zhu; Preparation and photocatalytic performance of porous ZnO microrods loaded with Ag; Transactions of Nonferrous Metals Society of China 22 (2012) 873-878.
[5] T. Thangeeswari, A.T. George, A. Arun Kumar; Optical Properties and FTIR Studies of Cobalt Doped ZnO Nanoparticles by Simple Solution Method, 2016.
[6] A.M. Ali, A.A. Ismail, R. Najmy, A. Al-Hajry;. Preparation and characterization of ZnO–SiO2 thin films as highly efficient photocatalyst, Journal of Photochemistry and Photobiology A: Chemistry 275 (2014) 37-46.
[7] S.J. Yang, J.H. Im, T. Kim, K. Lee, C.R. Park; MOF-derived ZnO and ZnO@C composites with high photocatalytic activity and adsorption capacity, Journal of Hazardous Materials 186 (2011) 376-382.
[8] N.T. Van, V.A. Tuan; Photo-degradation of Janus Green B on zince oxide nano particles loaded on activated carbon preparation from rice husk; Vietnam Journal of Chemistry Vol. 56 (2018) 306-311.
[9] N. Panda, H. Sahoo, S. Mohapatra; Decolourization of Methyl Orange using Fenton-like mesoporous Fe2O3–SiO2 composite; J. Hazard. Mater. 185 (2011) 359-365.
[10] X. Zhong, S. Royer, H. Zhang, Q. Huang, L. Xiang, S. Valange, J. Barrault; Mesoporous silica iron-doped as stable and efficient heterogeneous catalyst for the degradation of C.I. Acid Orange 7 using sono–photo-Fenton process; Sep. Purif. Technol. 80 (2011) 163-171.
[11] T. Liu, H. You, Q. Chen; Heterogeneous photo-Fenton degradation of polyacrylamide in aqueous solution over Fe(III)–SiO2 catalyst; J. Hazard. Mater. 162 (2009) 860-865.
[12] R. Molina, F. Martínez, J.A. Melero, D.H. Bremner, A.G. Chakinanala; Mineralization of phenol by a heterogeneous ultrasound/Fe-SBA-15/H2O2 process: Multivariate study by factorial design of experiments; Applied Catalysis B: Environmental 66 (2006) 198-207.
[13] M. Ahmad, E. Ahmed, Z.L. Hong, W. Ahmed, A. Elhissi, N.R. Khalid; Photocatalytic, sonocatalytic and sonophotocatalytic degradation of Rhodamine B using ZnO/CNTs composites photocatalysts; Ultrasonics Sonochemistry 21 (2014) 761-773.
[14] Z. Zuo, R. Liao, X. Zhao, X. Song, Z. Qiao, C. Guo, A. Zhuang, Y. Yuan; Anti-frosting performance of superhydrophobic surface with ZnO nanorods; Applied Thermal Engineering 110 (2017) 39-48.
[15] P.M. Perillo, M.N. Atia, D.F. Rodriguez; Effect of the reaction conditions on the formation of the ZnO nanostructures; Physica E: Low-dimensional Systems and Nanostructures 85 (2017) 185-192.
[16] X. Yu, J. Zhang, X. Wang, Q. Ma, X. Gao, H. Xia, X. Lai, S. Fan, T.-S. Zhao; Fischer-Tropsch synthesis over methyl modified Fe2O3@SiO2 catalysts with low CO2 selectivity; Applied Catalysis B: Environmental 232 (2018) 420-428.
[17] W. Wei, Y. Ding, A. Zhao, K. Ge, C. Zhang, Y. Li, J. Zhang, G. Jia; Monodisperse and mesoporous walnut kernel-like SiO2/γ-Fe2O3 nanocomposite: Synthesis, magnetic properties, and application in drug delivery; J. Alloys Compd. 728 (2017) 585-591.
[18] Y. Zhu, A. Apostoluk, P. Gautier, A. Valette, L. Omar, T. Cornier, J.M. Bluet, K. Masenelli-Varlot, S. Daniele, B. Masenelli; Intense visible emission from ZnO/PAAX (X = H or Na) nanocomposite synthesized via a simple and scalable sol-gel method; Scientific Reports 6 (2016) 23557.
[19] A.-T. Vu, V.-T. Vu; Preparation of MgO for Removal of Dyes and Heavy Metal from Aqueous Solution: Facially Controlling the Morphology, Kinetic, Isotherms and Thermal Dynamic Investigations; Indian Journal of Science and Technology, 11 (2018) 1-14.