Preparation, structure and adsorption properties of synthesized multiwall carbon nanotubes for highly effective removal of maxilon blue dye

Alkaim, Ayad F.; Sadik, Zainab; Mahdi, Dunia K.; Alshrefi, Saif M.; Al-Sammarraie, Abdulkareem Mohammed Ali; Alamgir, Faisal M.; Singh, Preet M.; Aljeboree, Aseel M.

doi:10.1007/s11814-015-0078-y

Cited by 47 publications

(17 citation statements)

References 39 publications

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“…The adsorption process was dependent on different conditional parameters such as contact time, solution pH, initial dye concentration, and adsorbent. The effects of conditional parameters including pH (2)(3)(4)(5)(6)(7)(8)(9)(10)(11)(12), initial concentration of dye (20-100 mg/L), adsorbent dosage (0.02-0.1 g/L), and contact time (0-180 min) on the adsorption of dye were investigated and then optimized. A high removal efficiency of 88% was achieved under the optimal condition of adsorbent dosage of 0.06 g/L, contact time of 60 min, initial dye concentration of 20 mg/L, and solution pH 2.…”

Section: Discussionmentioning

confidence: 99%

“…The consumed dyes are categorized into three groups: non-ionic, cationic, and anionic, which are toxic at low concentrations and have high suitability in water resources. Also, synthetic dyes are categorized as organic dyes which have a complex aromatic molecular structure and are hardly biodegradable [4][5][6]. Therefore, entrance of synthetic dye molecules to water resources has threatened the environment and general health of humans [7].…”

Section: Introductionmentioning

confidence: 99%

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Barium/Cobalt@Polyethylene Glycol Nanocomposites for Dye Removal from Aqueous Solutions

Rahdar

Sattari

et al. 2021

Polymers

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Dyes are known as one of the most dangerous industrial pollutants which can cause skin diseases, allergy, and provoke cancer and mutation in humans. Therefore, one of the important environmental issues is the effective removal of dyes from industrial wastewater. In the current work, BaFe12O19/CoFe2O4@polyethylene glycol (abbreviated as BFO/CFO@PEG) nanocomposite was synthesized and evaluated regarding its capacity for adsorptive removal of a model dye Acid Blue 92 (denoted as AB92) from aqueous solutions. The characteristics of the prepared nanocomposite was determined by tests such as X-ray diffraction (XRD), scanning electron microscope (SEM), vibration sample magnetization (VSM), and Fourier transform infrared spectroscopy (FTIR). The effects of conditional parameters including pH (2–12), initial concentration of dye (20–100 mg/L), adsorbent dosage (0.02–0.1 g/L) and contact time (0-180 min) on the adsorption of dye were investigated and then optimized. The results indicated that with the increase of the adsorbent dosage from 0.02 to 0.1 g/L, the removal efficiency increased from 74.1% to 78.6%, and the adsorbed amount decreased from 148.25 to 31.44 mg/g. The maximum removal efficiency (77.54%) and adsorption capacity (31.02 mg/g) were observed at pH 2. Therefore, the general optimization conditions revealed that the maximum adsorption efficiency of dye was obtained in condition of initial concentration of 20 mg/L, contact time of 1 h and pH of solution equal 2. The adsorption isotherm and kinetic data were evaluated using a series of models. The pseudo-second order kinetic model and Freundlich isotherm model show the best fitting with experimental data with R2∼0.999.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Barium/Cobalt@Polyethylene Glycol Nanocomposites for Dye Removal from Aqueous Solutions

Rahdar

Sattari

et al. 2021

Polymers

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“…The two model equations are expressed as Eqs. (5) and 6 where qe (mg/g) is equilibrium MB adsorption quantity on the adsorbent, qt (mg/g) is adsorption quantity at a particular time, K1 (min-1) is the adsorption constant, and t (min) is the adsorption reaction time. (6) where K2 is the adsorption constant of the pseudo second-order kinetics model equation (g/mg•min).…”

Section: Adsorption Kineticsmentioning

confidence: 99%

“…The breakdown products of dyes in water can also be toxic [2], carcinogenic, or mutagenic to life forms [3,4]. MB, a common cationic dye, is widely used to dye cotton, leather [5,6]. Consequently, removing MB from aqueous solutions is a difficult requirement faced by leather and dye manufacturing.…”

Section: Introductionmentioning

confidence: 99%

Removal Of Methylene Blue From Aqueous Solution Using Expanded Perlite

Zhao¹,

Li³

et al. 2017

Proceedings of the 2017 5th International Conference on Mechatronics, Materials, Chemistry and Computer Engineering (ICMMCCE 20

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The adsorbent of expanded perlite (EP) was investigated to determine the removal effect on methylene blue (MB) from wastewater through static adsorption. The factors, such as adsorbent dosage, shaking time, temperature, and pH, were investigated. The optimum dosage, shaking time, temperature, and pH was 0.80 g, 100 min, 20 ℃, and 5.67, respectively. Isotherm analysis showed that the patterns of MB adsorption onto expanded perlite was not in line with two adsorption isotherm models, namely, Langmuir and Freundlich. The kinetic characteristics of adsorption were also evaluated. The adsorption process of the MB onto EP was in accordance with the pseudo second-order rate equation. Under ideal experimental parameters, the MB removal efficiency was 94.12% for EP, which indicated that EP is a potential adsorbent for the treatment of MB wastewater.

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“…38,39 The phases of the synthesized TiO 2 anatase structure are well known. These features are observed in the XRD spectra for the Pt-TiO 2 and Pt-TiO 2 / fCNTs (fSWCNTs, fMWCNTs) nanoparticle composites.…”

Section: Catalyst Characterizationmentioning

confidence: 99%

Sonochemical/hydration—dehydration synthesis of Pt—TiO2 NPs/decorated carbon nanotubes with enhanced photocatalytic hydrogen production activity

Abdulrazzak

Hussein

Alkaim

et al. 2016

Photochem Photobiol Sci

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Modified Pt-TiO 2 NPs/decorated carbon nanotubes were synthesized utilizing sonochemical/hydrationdehydration techniques. Pt was loaded on TiO 2 by a photodeposition method keeping in mind the end goal to achieve electron-hole pair separation and promote the surface reaction. The morphological and basic properties of Pt-TiO 2 /fCNTs were investigated by field emission scanning electron microscopy (FESEM), high resolution transmission electron microscopy (HRTEM), powder X-ray diffraction (XRD), UV-vis diffuse reflectance spectroscopy (DRS), photoluminescence (PL) and Raman spectroscopy. The selected area electron diffraction (SAED) patterns of Pt-TiO 2 /fCNTs were obtained utilizing TEM-based energy dispersive X-ray spectroscopy (EDXS) analysis. It was found that the TiO 2 nanoparticles were uniformly distributed on the fCNTs, and the Pt particles were decorated on the surface of TiO 2 /fCNTs. The photocatalytic hydrogen production activity of the Pt (0.5%) -TiO 2 /fCNTs (0.5%) nanoparticle composites was investigated using a sacrificial agent methanol solution. Pt-loaded TiO 2 demonstrated a hydrogen evolution rate around 20 times that of TiO 2 /fCNTs (0.5%) (fSWCNTs, fMWCNTs). When compared with platinized TiO 2 in methanol, which was utilized as a control material, Pt-TiO 2 /fCNTs demonstrated an almost 2-fold increment in hydrogen generation.

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Preparation, structure and adsorption properties of synthesized multiwall carbon nanotubes for highly effective removal of maxilon blue dye

Cited by 47 publications

References 39 publications

Barium/Cobalt@Polyethylene Glycol Nanocomposites for Dye Removal from Aqueous Solutions

Barium/Cobalt@Polyethylene Glycol Nanocomposites for Dye Removal from Aqueous Solutions

Removal Of Methylene Blue From Aqueous Solution Using Expanded Perlite

Sonochemical/hydration—dehydration synthesis of Pt—TiO2 NPs/decorated carbon nanotubes with enhanced photocatalytic hydrogen production activity

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