The influence of substituting metals (Ti, V, Cr, Mn, Co and Ni) on the thermal stability of magnetite
作者： Xiaoliang Liang , Yuanhong Zhong , Wei Tan , Jianxi Zhu , Peng Yuan
DOI: 10.1007/S10973-012-2432-1
关键词:
摘要: In this paper, a systematic study on the influence of substituting metals thermal stability magnetite was carried out. Six series substituted (Fe3−x M x O4, M = Ti, V, Cr, Mn, Co and Ni) Ti–V co-doped were prepared by precipitation-oxidation method, followed characterization X-ray diffraction (XRD), absorption near-edge structure (XANES) spectroscopy thermogravimetry differential scanning calorimetry (TG-DSC) analyses. XRD patterns confirmed formation samples with spinel XANES probed valence site occupancy ions. From TG-DSC analysis results, substitution Ti4+, Mn2+, Co2+ Ni2+ stabilizes structure, while V3+ Cr3+ do not show such an effect. For maghemite, has negative effect other studied ions positive magnetites, Ti4+ is similar to case their single-metal-substituted magnetites. The mechanism about change metal also discussed. obtained results will be high importance for industrial applications magnetite.
springer.com
irgrid.ac.cn参考文章(38)
M. Nohair, D. Aymes, P. Perriat, B. Gillot, Infrared spectra-structure correlation study of vanadium-iron spinels and of their oxidation products Vibrational Spectroscopy. ,vol. 9, pp. 181- 190 ,(1995) , 10.1016/0924-2031(95)00004-E
Xiaoliang Liang, Sanyuan Zhu, Yuanhong Zhong, Jianxi Zhu, Peng Yuan, Hongping He, Jing Zhang, The remarkable effect of vanadium doping on the adsorption and catalytic activity of magnetite in the decolorization of methylene blue Applied Catalysis B-environmental. ,vol. 97, pp. 151- 159 ,(2010) , 10.1016/J.APCATB.2010.03.035
Debanjan Guin, Babita Baruwati, Sunkara V Manorama, A simple chemical synthesis of nanocrystalline AFe2O4 (A = Fe, Ni, Zn): An efficient catalyst for selective oxidation of styrene Journal of Molecular Catalysis A-chemical. ,vol. 242, pp. 26- 31 ,(2005) , 10.1016/J.MOLCATA.2005.07.021
B. Gillot, H. Nouaim, F. Mathieu, A. Rousset, Effect of a pretreatment under high pressure on the oxidation mechanism of magnetite to γ−fe2o3 and on the transformation γ−fe2o3 to α−fe2o3 Materials Chemistry and Physics. ,vol. 28, pp. 389- 397 ,(1991) , 10.1016/0254-0584(91)90074-5
M. Nohair, P. Perriat, B. Domenichini, B. Gillot, Cationic distribution and mechanism of the oxidation of V3+ ions in vanadium-substituted magnetites Thermochimica Acta. ,vol. 244, pp. 223- 234 ,(1994) , 10.1016/0040-6031(94)80221-1
W Fu-Sheng, Sensitive spectrophotometric determination of nickel(II) with 2-(5-bromo-2-pyridylazo)-5-diethylaminophenol. Talanta. ,vol. 28, pp. 189- 191 ,(1981) , 10.1016/0039-9140(81)80011-2
Céline Dupuis, Georges Beaudoin, Discriminant diagrams for iron oxide trace element fingerprinting of mineral deposit types Mineralium Deposita. ,vol. 46, pp. 319- 335 ,(2011) , 10.1007/S00126-011-0334-Y
Iztok Arcon, Breda Mirtic, Alojz Kodre, Determination of Valence States of Chromium in Calcium Chromates by Using X‐ray Absorption Near‐Edge Structure (XANES) Spectroscopy Journal of the American Ceramic Society. ,vol. 81, pp. 222- 224 ,(2005) , 10.1111/J.1151-2916.1998.TB02319.X
Shijian Yang, Hongping He, Daqing Wu, Dong Chen, Xiaoliang Liang, Zonghua Qin, Mingde Fan, Jianxi Zhu, Peng Yuan, None, Decolorization of methylene blue by heterogeneous Fenton reaction using Fe3−xTixO4 (0 ≤ x ≤ 0.78) at neutral pH values Applied Catalysis B-environmental. ,vol. 89, pp. 527- 535 ,(2009) , 10.1016/J.APCATB.2009.01.012
Suh-Jen J. Tsai, Huey Hwang, Spectrophotometric Determination of Titanium in Super Alloys with Diantipyrylmethane and Tiron Journal of The Chinese Chemical Society. ,vol. 36, pp. 187- 194 ,(1989) , 10.1002/JCCS.198900029