Adsorption performances of nickel oxide nanoparticles (NiO NPs) towards bromophenol blue dye (BB)

Al‐Aoh, Hatem A.

doi:10.5004/dwt.2018.22223

Cited by 26 publications

(15 citation statements)

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“…The observed interplanar spacing, d hkl, was compared with the data of JCPDS card number of 78-0429 for NiO and JCPDS 45-0937 for CuO. The results obtained in this study are further supported by XRD results obtained for NiO 38,39 and CuO nanoparticles 40,41 . XRD patterns for Ni-oxide preheated for 1 hr are less intensive compared with oxide calcined for 2 hr.…”

Section: Adsorbents Characterizationsupporting

confidence: 69%

Adsorption of T.N.T. from Wastewater Using Ni-Oxide and Cu-Oxide Nanoparticles

Altallhi¹,

Moray²,

Shaban³

et al. 2021

Mediterr.J.Chem.,

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Nanocrystalline nickel oxide (NiO) and copper oxide (CuO) have been synthesized in a water-in-oil microemulsion. The as-synthesized samples were characterized by X-ray diffraction (XRD), Electron Spin Resonance (E.S.R.), transmission electron microscopy (T.E.M.), and Specific Surface Area (S.S.A.). The particle size of nickel oxide and copper oxide can be controlled from 10.0 to 21.5 and 12.5 to 25.0 nm, respectively, at a different time of calcination temperature with a fixed proportion of water, surfactant, and oil in the microemulsion. Also, the results showed that the specific surface area (89.96 m2 g-1) and pore diameter (8.11 nm) of the prepared nano NiO are higher than the specific surface area (71.96 m2 g-1) and pore diameter (3.71 nm) of the prepared nano CuO. An adsorption test was carried out to show the efficiency of these prepared NiO and CuO nanoparticles for the Adsorption of T.N.T. in an aqueous solution. The removal efficiencies of both nano NiO and CuO were achieved at 90.06% and 77.0%, respectively.Additionally, NiO and CuO nanoparticles were regenerated for five cycles. The Kinetic models of Pseudo first-order and pseudo-second-order were described. The results demonstrated that T.N.T. adsorption on both nano adsorbents follows the pseudo-second-order model.

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Section: Adsorbents Characterizationsupporting

confidence: 69%

Adsorption of T.N.T. from Wastewater Using Ni-Oxide and Cu-Oxide Nanoparticles

Altallhi¹,

Moray²,

Shaban³

et al. 2021

Mediterr.J.Chem.,

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“…Today, water pollution by various pollutants such as organic compounds [1][2][3][4][5][6] and dyes [7][8][9][10][11][12][13][14][15][16][17][18][19][20][21] is one of the main problems. Organic dyes such as trypan blue, [7] methylene blue, [8,9,17,20] methyl green, [21] and methyl orange [11,16] are one of the most important sources of water pollution that used in various industries.…”

Section: Introductionmentioning

confidence: 99%

“…Therefore, one of the most important goals for chemists is to remove these organic dyes from contaminated water. [7][8][9][10][11][12][13][14][15][16][17][18][19][20][21] Many methods have been used to remove organic dyes from contaminated water such as adsorption, [10,[19][20][21] ion exchange, [22] filtration, [23] biodegradation, [24] chemical oxidation, [25] and photodegradation. [7][8][9]11,12,14] Some of these methods are relatively expensive and require complex equipment.…”

Section: Introductionmentioning

confidence: 99%

“…[26][27][28][29][30][31][32][33][34][35] Therefore, various groups have broadly explored the catalytic activity of different nanostructure compounds for the degradation of oxytetracycline, norfloxacin, N 2 reduction, hydrogen evaluation, etc.. [36][37][38][39][40][41][42][43][44][45][46][47] But, the photocatalytic degradation method, [7][8][9]11,12,[14][15][16][17][18] which is simple, has high efficiency, and does not require expensive equipment, is one of the efficient and suitable methods for removing water pollution. One of the important parameters in the efficiency of this method is the type of photocatalyst used such as Fe 2 O 3, [12,14] TiO 2, [15] CdWO 4, [18] NiO, [19] Bi 2 O 3 -Al 2 O 3, [17] Cr 2 O 3, [11] MCM-41 [21] and CeO 2. [7][8][9] Metal oxide nanoparticles are the most important photocatalysts due to their high surface area and good ability to absorb visible and UV radiation and interact with different organic dyes.…”

Section: Introductionmentioning

confidence: 99%

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Methylene blue photodegradation using as‐synthesized CeO₂ nanoparticles

Saadoon

Jarošová

Machek

et al. 2021

J Chinese Chemical Soc

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Cerium oxide (CeO 2 ) nanoparticles via solution combustion technique using Ce(NO 3 ) 3 as an oxidizer and benzoic acid as fuel were prepared at two different temperatures (500 and 600 C). The as-synthesized CeO 2 nanoparticles were characterized using FT-IR, PL, BET, XRD, VSM, and TEM techniques. The results of FT-IR and XRD techniques show that cerium oxide nanoparticles have been successfully synthesized. The absence of other peaks in the XRD pattern indicates that there are no impurities in these compounds. TEM images also confirm the synthesis of nanoparticles smaller than 20 nm. VSM results of CeO 2 nanoparticles show weak ferromagnetic properties. Furthermore, the as-synthesized CeO 2 nanoparticles were used for the photocatalytic degradation of methylene blue (MB). The effect of various parameters such as irradiation time, amount of catalyst dosage, initial MB concentration, and solution pH was investigated. The results show that the best conditions for photocatalytic removal are pH solution of 10, 0.02 g of catalyst dose, initial MB concentration of 40 ppm, and UV irradiation time of 90 min. Therefore, the as-synthesized CeO 2 nanoparticles have a good performance as a catalyst and can be used for other organic dyes.

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“…Metallic nanoparticles are known to be promising owing to their e cient adsorptive and catalytic degradation potentials for dye containing water [23][24][25] . In particular, zinc oxide nanoparticle (ZnONP) has received signi cant attention for water treatment because of its nontoxicity, long-term stability, acceptable cost, biocompatibility, and potent antimicrobial activities against microbes frequently encountered in water 26,27 .…”

Section: Introductionmentioning

confidence: 99%

One-Pot Synthesis of Zinc Oxide Nanoparticle for Bromophenol Blue Adsorption and Its Antifungal Activity Against Filamentous Fungi

Akpomie¹,

Ghosh²,

Gryzenhout³

et al. 2020

Preprint

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Zinc oxide nanoparticles (ZnONP) have gained attention in recent years due to their multifunctional uses, potent adsorptive potential and effective antifungal activities. Despite these desirable characteristics, ZnONP has not been used for the adsorption of bromophenol blue (BRB) and tests as antifungal agents against certain important filamentous fungal strains have been limited. In this research, ZnONP was prepared via a facile one-pot synthetic approach and applied in the adsorption of BRB and as an antifungal agent against the filamentous fungi and plant pathogens; Alternaria alternata CGJM3078, Alternaria alternata CGJM3006 and Fusarium verticilliodes CGJM3823. The ZnONP was characterized by the UV, FTIR, XRD, TGA, BET, SEM, TEM, and EDX techniques, which showed efficient synthesis. The characteristics ZnO UV absorption band was observed at 375 nm, while the XRD showed an average ZnONP crystalline size of 47.2 nm. The SEM and TEM images showed an irregular shaped and aggregated porous structure of 65.3 nm average-sized ZnONPs. The Freundlich, pseudo-second-order, and intra-particle diffusion models showed R2 > 0.9494 and SSE < 0.7412, thus, exhibited the best fit to the isotherm and kinetics of adsorption. Adsorption thermodynamics revealed feasible, endothermic, random, and spontaneous adsorption of BRB onto the synthesized ZnONPs. The antifungal assay conducted, depicted strong antifungal activities against all three tested fungal cultures. A model was proposed on what causes this antifungal effect. This research demonstrated the potent use of ZnONP for the adsorption of BRB and as effective antifungal agents.

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Adsorption performances of nickel oxide nanoparticles (NiO NPs) towards bromophenol blue dye (BB)

Cited by 26 publications

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Adsorption of T.N.T. from Wastewater Using Ni-Oxide and Cu-Oxide Nanoparticles

Adsorption of T.N.T. from Wastewater Using Ni-Oxide and Cu-Oxide Nanoparticles

Methylene blue photodegradation using as‐synthesized CeO₂ nanoparticles

One-Pot Synthesis of Zinc Oxide Nanoparticle for Bromophenol Blue Adsorption and Its Antifungal Activity Against Filamentous Fungi

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Adsorption performances of nickel oxide nanoparticles (NiO NPs) towards bromophenol blue dye (BB)

Cited by 26 publications

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Adsorption of T.N.T. from Wastewater Using Ni-Oxide and Cu-Oxide Nanoparticles

Adsorption of T.N.T. from Wastewater Using Ni-Oxide and Cu-Oxide Nanoparticles

Methylene blue photodegradation using as‐synthesized CeO2 nanoparticles

One-Pot Synthesis of Zinc Oxide Nanoparticle for Bromophenol Blue Adsorption and Its Antifungal Activity Against Filamentous Fungi

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Methylene blue photodegradation using as‐synthesized CeO₂ nanoparticles