Synthesis and Characterizations of Titanium Tungstophosphate Nanoparticles for Heavy Metal Ions Removal

Ghanem, Mohamed Ali; Khdary, Nezar H.; Almayouf, Abdullah M.; Salah, Mabrook A.

doi:10.4028/www.scientific.net/SSP.257.187

Paper Titles

Correlation between the Hydrogen Absorption Properties and the Vanadium Concentration of Ti-V-Cr Based Alloys
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Chemical Bonding Specifics of Hybrid Metal-Polymer Nanocomposites Based on Cobalt Nanoparticles and Polyacrylonitrile: X-Ray Spectroscopy Investigation
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Formation of Nanostructured Ni-TaC and Fe-TaC Composite Powders via Mechanical Alloying
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Low-Dimensional Gadolinium Polyselenides: Thermodynamic Modelling, Crystals Growing and Crystal Structure
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Synthesis and Characterizations of Titanium Tungstophosphate Nanoparticles for Heavy Metal Ions Removal
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Magnetic Instabilities in Non-Fermi Liquid Ce₃Pd₄Si₄ Driven by Magnetic Dilution
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Evolution of Ce-Valence in Ce-Rh-Si Compounds: Intermediate Valence in CeRh₆Si₄
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Phonon Anharmonicity and Thermodynamic Properties of Strongly Correlated Iron Monosilicide
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First Principles Study of the Structural, Electronic, and Magnetic Properties of ZrC
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Home Solid State Phenomena Solid Compounds of Transition ElementsSynthesis and Characterizations of Titanium...

Synthesis and Characterizations of Titanium Tungstophosphate Nanoparticles for Heavy Metal Ions Removal

Abstract:

Ionic exchange of multi-components titanium tungstophosphate nanoparticles (TiWP-NPs) were prepared using sol-gel reaction of titanium isoperoxide and tungestophosphoric acid (TPA) in presence of CTAB surfactant. The X-ray, BET and TEM characterizations showed that the nanoparticles exhibit the characteristic structure of titanium tungstophosphate and a BET surface area of 74 ± 3 m²/g was achieved. The TPA has shown an effect on the self-assembly process and maintains the TPA content to minimum would be beneficial for obtaining higher surface area of TiWP nanoparticles. Metal ions adsorption of Cu(II), Pb(II) or Cd(II) using the resulting titanium tungstophosphate nanparticles materials is investigated and up to 95% removal percentage was achieved. Using this method, nanoparticles of ionic exchange titanium tungstophosphate can be synthesized in the form of powder and amenable to mass production.

Info:

Periodical:

Solid State Phenomena (Volume 257)

Main Theme:

Solid Compounds of Transition Elements

Edited by:

Juan Bartolomé, Jose Ignacio Arnaudas, Larry R. Falvello

Pages:

187-192

DOI:

10.4028/www.scientific.net/SSP.257.187

Citation:

M. A. Ghanem et al., "Synthesis and Characterizations of Titanium Tungstophosphate Nanoparticles for Heavy Metal Ions Removal", Solid State Phenomena, Vol. 257, pp. 187-192, 2017

Online since:

October 2016

Authors:

Mohamed Ali Ghanem *, Nezar H. Khdary, Abdullah M. Almayouf, Mabrook A. Salah

Keywords:

Adsorption, Heavy Metal Ions, Nanoparticles, Titanium Tungstophosphate

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Paper TitlePages

Preparation and Characterization of Nanosized Barium-Strontium Titanate Immobilized on Aluminum Oxide and Its Application in Adsorption

Authors: Dong Zhang, Chun Li Zhang

Abstract: Nanometer barium-stroutium titanate immobilized on aluminum oxide (ABST) was prepared by the citric acid sol–gel method and characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and Fourier transform infrared spectrophotometry (FTIR). Its Pb2+ and Cd2+ adsorption properties from water were studied. Adsorption and elution were investigated under different conditions. The results showed that the nanometer barium-strontium titanate was immobilized on aluminum oxide firmly, becoming a composite adsorbent. The lead and cadmium ions were quantitatively retained at pH 5-8; their adsorption capacities of ABST were 70.28 mg•g－1 and 8.12 mg•g－1, respectively. The adsorbent of adsorped lead and cadmium ions were regenerated completely by elution with 1 mol•L－1 HNO3. The adsorbent had a promising prospect in analyticl chemistry and water treatment.

682

Synthesis and Characterization of Attapulgite Clay Coated Ag/AgBr/TiO₂ Visible Light Photocatalyst

Authors: Xu Gu, Jin Long Jiang, Dong Li

Abstract: Attapulgite clay coated Ag/AgBr/TiO2 visible light photocatalyst was prepared by an impregnation-deposition-precipitation method. The catalyst was characterized via powder X-ray diffraction (XRD), TEM, UV-Vis spectroscopy, and EMAX, and their photocatalytic activity was examined by degradation of methylene blue in water under sunlight. The results showed that the catalyst exhibited high efficiency for the degradation of methylene blue and the catalyst activity maintained effectively after successive cyclic experiments under sunlight, attributed to adsorption of dye on attapulgite clay and high dispersion of AgBr and TiO2 nano-sized particles on the surface of attapulgite clay.

285

An Efficient Removal of Rhodamine B in Water by Targeted Adsorption on SnS₂ Nanosheets

Authors: Xi Li, Jian Zhu, Fu Jian Lv, Jin Guo Wang, Zong Li Xie, Manh Hoang, He Xing Li

Abstract: Two kinds of SnS₂ materials were prepared through the hydrothermal route, respectively using thioacetamide (TAA) and thiourea as the sulfur source. The as-prepared SnS₂ samples were characterized with X-ray diffraction (XRD), scanning electron microscopy (SEM) and N₂-sorption. The results showed that the SnS₂ sample prepared with TAA had a lengthening shape, a smaller size and surface area, but a better adsorption of rhodamine B (RhB). X-ray photoelectron spectroscopy (XPS) analysis was used to confirm that there was an interaction between RhB molecule and SnS₂ contributing to the strong adsorption of RhB.

1708

Enhanced Adsorption Properties of Poly(2-Acrylamido-2-Methyl-1-Propansulfonic Acid)/Silica Composite Materials for Heavy Metal Ion Removal

Authors: Jing Jing Wang, Xian Ning Li

Abstract: Poly(2-acrylamido-2-methyl-1-propansulfonic acid)(PAMPS)/silica composite hydrogels have been prepared by in situ free-radical polymerization. The composite hydrogels were used to remove heavy metal ions from aqueous solution under the non-competitive condition. The results showed that the adsorption capacity of the hydrogels increased with the pH values and silica content in the formulation. Furthermore, the synergistic complexation of metal ions was found in the adsorption studies. Regeneration studies suggested that metal rebinding capacity of the hydrogels did not change significantly through repeated applications compared with the first run.

154

Preparation, Characterization and their Performance of the Supported Nanoscale Zero-Valent Iron Materials with Different Iron Contents

Authors: Zhi Hua Pang, Xiao Shan Jia, Kai Liu, Zhen Xing Wang, Qi Jing Luo, Jun Luo

Abstract: Taking the organic modified montmorillonite as a carrier and dispersant, the supported nanoscale zero-valent iron materials with different iron contents were synthesized through the ferrous sulfate (FeSO4) and the sodium borohydride (NaBH4) in it. The structure and morphology of the materials were characterized by X-ray diffraction(XRD) and scanning electron microscopy(SEM). Finally, the performances of the supported nanoscale zero-valent iron were studied by high-performance liquid chromatography to determine the adsorption and degradation of 4-chlorophenol. The results indicate that the supported nanoscale zero-valent iron was well dispersed,different iron dosages imposed a visible effect on the morphology and particle diameter of iron;the degradation of 4-chlorophenol resulted from adsorption and degradation processes. Materials with different iron contents exhibited significantly different performance levels in terms of 4-chlorophenol adsorption and degradation.

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