Effect of morphological properties of layered double hydroxides on adsorption of azo dye Methyl Orange: A comparative study

Hassani, Kaoutar El; Beakou, Buscotin Horax; Kalniņa, Daina; Oukani, Elhassan; Anouar, Abdellah

doi:10.1016/j.clay.2017.02.010

Cited by 141 publications

(45 citation statements)

References 46 publications

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“…The peaks between 1100 and 1500 cm −1 are in accordance with the C–H stretching band. Figure 11 b shows the peaks at 1368, 1260, 1118, and 1006 cm −1 of 0.3 HEC-Sb 2 S 3 adsorbed by MO sample were attributed to the C–N vibrations, C–N aromatic stretching vibrations, the vibration of C–N bonds, and C–H in-plane bending vibration of benzene rings of MO molecules, respectively [ 9 , 14 , 47 ]. Figure 11 c shows the peak at 1010 cm −1 of 0.3 HEC-Sb 2 S 3 adsorbed by MB was broadened compare to 0.3 HEC-Sb 2 S 3 —caused by the bonding with 0.3 HEC-Sb 2 S 3 and MB molecules [ 45 , 46 ].…”

Section: Resultsmentioning

confidence: 99%

The Photocatalytic Application of Semiconductor Stibnite Nanostructure Synthesized via a Simple Microwave-Assisted Approach in Propylene Glycol for Degradation of Dye Pollutants and its Optical Property

et al. 2017

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Stibnite (Sb2S3) semiconducting material was successfully synthesized by a rapid and facile microwave route using antimony chloride (SbCl3) and sodiumthiosulfate (Na2S2O3) dissolved in propylene glycol (PG) containing different hydroxyethyl cellulose (HEC) masses. The phase identification, morphology, and elemental composition of products were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), field- emission scanning electron microscopy (FE-SEM), energy dispersive X-ray (EDX) spectroscopy, and Fourier transform infrared spectroscopy (FTIR). The results revealed the orthorhombic phase of Sb2S3 single crystal-forming sheaf-like nanostructure, and a possible formation mechanism was proposed and discussed. Its direct band gap calculated from UV-visible absorption is 1.60 eV. In this research, the photocatalytic activities of Sb2S3 nanostructure were investigated through the degradation of methyl orange (MO) and methylene blue (MB) under visible light irradiation. The as-obtained 0.30 g HEC-added solution (0.3 HEC-Sb2S3) photocatalyst exhibited better photocatalytic activity than the other products, which degraded 91% of MO within 300 min and 90% of MB within 240 min under the Xe-lamp irradiation. The first-order plot was fitted with this experiment which the rate constant (k) of 0.3 HEC-Sb2S3 for MO and MB degradation are 0.0085 and 0.0098 min−1, respectively. Therefore, the new experience with a novel and simple synthetic procedure of Sb2S3 photocatalyst that exhibits the characteristics of a highly effective photocatalyst under visible light irradiation was discovered.

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Section: Resultsmentioning

confidence: 99%

The Photocatalytic Application of Semiconductor Stibnite Nanostructure Synthesized via a Simple Microwave-Assisted Approach in Propylene Glycol for Degradation of Dye Pollutants and its Optical Property

et al. 2017

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“…30,37 The FT-IR spectra of N-O-MgO before and aer MO adsorption at 525-950 cm À1 were shown in groups of MO were connected with Mg 2+ of the N-O-MgO surface. 30,38 Based on these analyses above, the adsorption mechanism was proposed in Scheme 2. As shown in Scheme 1(A), the…”

Section: Utilisation Ratio Of Adsorption Sites the Utilisation Ratiomentioning

confidence: 99%

Synthesis of nano-octahedral MgOviaa solvothermal-solid-decomposition method for the removal of methyl orange from aqueous solutions

et al. 2020

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“…Moreover, after calcination treatment, the surface of the material has a large number of rich oxygen‐containing functional groups, which can form hydrogen bonds with the target substance to generate adsorption, so that hydrotalcite‐derived materials have the potential to become an excellent candidate material in the field of adsorption. Recently, El Hassani et al . synthesized NiAl−LDH by co‐precipitation method and studied the methyl orange adsorption performance of different morphologies.…”

Section: Adsorption Properties Of Hydrotalcite‐derived Materials In Smentioning

confidence: 99%

Research Progress in the Field of Adsorption and Catalytic Degradation of Sewage by Hydrotalcite‐Derived Materials

Pan

Tian

et al. 2019

The Chemical Record

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With the rapid development of industry and agriculture and the greatly improved living conditions, the resultant gradually deteriorated environments threaten the human beings. Refractory or even toxic pollutants, which are from different industries such as printing and dyeing, pesticides, chemicals, petrochemicals, plastics and rubber, seriously threat the ecosystems and human health. Having the advantages of flexible composition, unique structure, high stability, memory effect, easy preparation and low cost, hydrotalcite compounds have a great potential in sewage degradation and environmental protection. This study focuses on the adsorption and catalytic properties (such as photocatalysis, electrocatalysis and photoelectrocatalysis) of hydrotalcite-derived materials for treating organic, inorganic and heavy metal ion sewage. The types of adsorption and catalysis, and the effects of various influencing factors on the degradation efficiency were discussed as well.Wiley Online Library 355 Figure 13. The photoelectrocatalytic mechanism of organic pollutant MB over the ZNI-1-MMO-1.5 V photoelectrode.

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Effect of morphological properties of layered double hydroxides on adsorption of azo dye Methyl Orange: A comparative study

Cited by 141 publications

References 46 publications

The Photocatalytic Application of Semiconductor Stibnite Nanostructure Synthesized via a Simple Microwave-Assisted Approach in Propylene Glycol for Degradation of Dye Pollutants and its Optical Property

The Photocatalytic Application of Semiconductor Stibnite Nanostructure Synthesized via a Simple Microwave-Assisted Approach in Propylene Glycol for Degradation of Dye Pollutants and its Optical Property

Synthesis of nano-octahedral MgOviaa solvothermal-solid-decomposition method for the removal of methyl orange from aqueous solutions

Research Progress in the Field of Adsorption and Catalytic Degradation of Sewage by Hydrotalcite‐Derived Materials

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