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An attempt was made to synthesise magnesium oxide of a high degree of dispersion permitting its use as adsorbent or catalyst. The synthesis method proposed was precipitation with the use of magnesium nitrate or magnesium sulfate. The influence of temperature, the mode and the rate of dosing, the concentration and the ratio of the reagents on the properties of the final product was analysed. Magnesium oxides were obtained by thermal decomposition of magnesium hydroxides and subjected to thorough analysis. The results permitted selection of the reaction systems ensuring synthesis of the final products of the desired properties.
Czasopismo
Rocznik
Tom
Strony
52--56
Opis fizyczny
Bibliogr. 10 poz., rys., tab.
Twórcy
autor
autor
autor
autor
- Poznan University of Technology, Institute of Chemical Technology and Engineering, M. Skłodowskiej-Curie 2 Sq., 60-965 Poznań, Poland, e-mail address: teofil.jesionowski@put.poznan.pl
Bibliografia
- 1. Yan, Y., Zhou, L. & Zhang, Y. (2008). Synthesis of MgO hierarchical nanostructures controlled by the supersaturation ratio, J. Phys. Chem. 112, 19831 – 19835. DOI: 10.1021/jp806639x.
- 2. Choudhary, V.R. & Dumbre, D.K. (2009). Magnesium oxide supported nano-gold: A highly active catalyst for solvent-free oxidation of benzyl alcohol to benzaldehyde by TBHP, Catal. Communications 10, 1738 – 1742. DOI: 10.1016/j.catcom.2009.05.020.
- 3. Ouraipryvan, P., Sreethawong, T. & Chavadej, S. (2009). Synthesis of crystalline MgO nanoparticle with mesoporousassembled structure via a surfactant-modified sol-gel process, Mater. Lett. 63, 1862 – 1865. DOI: 10.1016/j.matlet.2009.05.068.
- 4. Wang, W., Qiao, X. & Chen, J. (2008). The role of acetic acid in magnesium oxide preparation via chemical precipitation, J. Am. Ceram. Soc. 91, 1697 – 1699. DOI: 10.1111/j.1551-2916.2008.02326.x.
- 5. Byrappa, K. & Adschiri, T. (2007). Hydrothermal technology for nanotechnology, Prog. Cryst. Growth Charac. Mater. 53, 117 – 166. DOI: 10.1016/j.pcrysgrow.2007.04.001.
- 6. Fan, W., Sun, S., You, L., Cao, G., Song, X., Zhang, G. & Yu, H. (2003). Solvothermal synthesis of Mg(OH) 2 nanotubes using Mg 10 (OH)18Cl2.5H2O nanowires as precursors, Mater. Chem. 13, 3062 – 3065. DOI: 10.1039/b307619a.
- 7. Zou, G., Chen, W., Liu, R. & Xu, Z. (2008). Morphology-tunable synthesis and characterizations of Mg(OH)2 films via a cathodic electrochemical process, Mater. Chem. Phys. 107, 85 – 90. DOI: 10.1016/j.matchemphys.2007.06.046.
- 8. Wu, H., Shao, M., Gu, J. & Wei, X. (2004). Microwaveassisted synthesis of fibre-like Mg(OH)2 nanoparticles in aqueous solution at room temperature, Mater. Lett. 58, 2166 – 2169. DOI: 10.1016/j.matlet.2004.01.010.
- 9. Polshettiwar, V., Baruwati, B. & Varma, R.S. (2009). Selfassembly of metal oxides into three-dimensional nanostructures: Synthesis and application in catalysis, ACS NANO 3, 728 – 736. DOI: 10.1021/nn800903p.
- 10. Marciniak, H. & Diduszko, R. (2004). X-Rayan – software for structure analysis and identification using WAXS technique (in Polish).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BPS3-0016-0010