2015
DOI: 10.1016/j.jhazmat.2015.08.026
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High efficient removal of molybdenum from water by Fe2(SO4)3: Effects of pH and affecting factors in the presence of co-existing background constituents

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Cited by 25 publications
(13 citation statements)
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“…Mo adsorption was also dependent on the solid concentration. The results of our experiments of Mo adsorption on ferrihydrite were comparable to those obtained in previous laboratory studies. , …”
Section: Resultssupporting
confidence: 90%
See 1 more Smart Citation
“…Mo adsorption was also dependent on the solid concentration. The results of our experiments of Mo adsorption on ferrihydrite were comparable to those obtained in previous laboratory studies. , …”
Section: Resultssupporting
confidence: 90%
“…Our laboratory adsorption experiments showed that the K d for Mo adsorption on iron oxide depends predominantly on solution pH (Figure b). A previous examination of the effects of coexisting ions on the adsorption of Mo on iron oxide showed that the presence of both Ca and SO 4 ions (the predominant cation and anion in river waters in the Erdenet area) has little effect on the adsorption of Mo under neutral to alkaline pH conditions …”
Section: Resultsmentioning
confidence: 99%
“…However, it was observed that the final solution pH altered to basic values (8.5-9.4) due to the effect of ligand exchange mechanism. It is known that at pH > 7, aqueous Fe 2+ (as dissolved FeSO4 •7H2O) can be oxidized to Fe 3+ [57] which interacts with water molecules forming hydrolysis products such as Fe(OH) 2+ , Fe(OH)2 + , Fe2(OH)2 4+ etc [59]. These products can then interact with oxoanions such as PO4 3through electrostatic adsorption, surface complexation and coprecipitation [59].…”
Section: Effect Of Coexisting Ions and Organic Mattermentioning
confidence: 99%
“…In FT-IR spectra of the Mg 2 AlCO 3 -LDH (Fig. 2), the IR absorptions due to the υ 3 and υ 4 stretching vibrations of interlayer CO 3 2-ions were recorded at 1340-1370 and 1000-1020 cm -1 . This is almost what is observed for every hydroxide irrespective of the nature of the octahedral sheets suggesting a rather symmetric environment for the interlayer anions [17], [18].…”
Section: Ft-ir Analysis Of the Mg 2 Alco 3 -Ldh And Mg 2 Alc 2 O 4 -Lmentioning
confidence: 99%
“…Since heavy metals are recognized to be nonbiodegradable, it is advisable to remove them from industrial wastewater before discharge into the environment. Several methods such as ion exchange, solvent extraction, reverse osmosis, precipitation, electrochemical and adsorption processes have been proposed for the treatment of sewage contaminated with heavy metals [4][5]. However, the above mentioned methods are not economically feasible for small and medium size industries.…”
Section: Introductionmentioning
confidence: 99%