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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Frost, Ray
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (18/18 displayed)
- 2020Volatilisation of trace elements during reduction of iron ore by hydrogencitations
- 2019Elemental deportment and chemical structure evolution of iron ore during direct reduction in hydrogen atmosphere
- 2016Environmental applications of inorganic-organic clays for recalcitrant organic pollutants removal: Bisphenol Acitations
- 2014Vibrational spectroscopy of the sulphate mineral sturmanite from Kuruman manganese deposits, South Africacitations
- 2014Infrared and raman spectroscopic characterization of the borate mineral vonsenite Fe2/2+ Fe3+BO5citations
- 2014A vibrational spectroscopic study of the phosphate mineral churchite (REE)(PO4).2H2Ocitations
- 2013Vibrational spectroscopic characterization of the phosphate mineral kulanite Ba(Fe2+,Mn2+,Mg)2(Al,Fe3+)2(PO4)3(OH)3citations
- 2013Vibrational spectroscopic characterization of the phosphate mineral series eosphorite-childrenite-(Mn,Fe)Al(PO4)(OH)2.(H2O)citations
- 2013The phosphate mineral arrojadite-(KFe) and its spectroscopic characterizationcitations
- 2013Vibrational spectroscopic characterization of the phosphate mineral phosphophyllite - Zn2Fe(PO4)2.4H2O, from Hagendorf Sud, Germany and in comparison with other zinc phosphatescitations
- 2012Thermal analysis and application of organoclays for water purification
- 2012Raman and infrared spectroscopic characterization of beryllonite, a sodium and beryllium phosphate mineral - implications for mineral collectorscitations
- 2011Characterisation of organoclays and adsorption of p-nitrophenol: Environmental applicationcitations
- 2011Synthesis and vibrational spectroscopy of halotrichite and bilinitecitations
- 2009Thermal decomposition of hydrotalcites with variable cationic ratioscitations
- 2008Thermal decomposition of synthesized layered double hydroxides based upon Mg/(Fe,Cr) and carbonatecitations
- 2008Thermal decomposition of hydrotalcite with molybdate and vanadate anions in the interlayercitations
- 2008Characterisation of red mud and seawater neutralised red mud using vibrational spectroscopic techniques
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document
Thermal analysis and application of organoclays for water purification
Abstract
In recent years, organoclays have become widely used in many industrial applications, and particularly they have been applied as adsorbents for water purification (de Paiva et al., 2008; Zhou et al., 2008; Park et al., 2011). When the organoclays are enhanced by intercalation of cationic surfactant molecules, the surface properties are altered from hydrophilic to highly hydrophobic. These changes facilitate their industrial applications which are strongly dependent onthe structural properties of organoclays (Koh and Dixon, 2001; Zeng et al., 2004; Cui et al., 2007). Thus a better understanding of the configuration and structural change in the organoclays by thermogravimetric analysis (TG) is essential. It has been proven that the TG is very useful for the study of complex minerals, modified minerals, and nanomaterials (Laachachi et al., 2005; Palmer et al., 2011; Park et al., in press, 2011). Therefore, the current investigation involves the thermal stability of a montmorillonite intercalated with two types of cationic surfactants: dodecyltrimethylammonium bromide (DDTMA) and didodecyldimethylammonium bromide (DDDMA) using TG. The modification of montmorillonite results in an increase in the interlayer or basal spacing and enhances the environmental and industrial application of the obtained organoclay.