Adsorption of anthraquinone dye AB111 from aqueous solution using synthesized alumina-iron oxide doped particles

Stupar, Stevan; Vuksanović, Marija M.; Totovski, Ljubica M.; Heinemann, Radmila M. Jančić; Mijin, Dušan Ž.

doi:10.2298/sos2101091s

Cited by 5 publications

(4 citation statements)

References 40 publications

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“…The R L values are between 0 and 1 indicating favorable absorption of Re(VII) and W(VI) on both sorbents [22]. The average R 2 values indicate the best correlation of the equilibrium data with the Freundlich isotherm, followed by the D-R and Temkin, and then the Langmuir isotherm.…”

Section: Resultsmentioning

confidence: 91%

“…Calculated parameters from all isotherm models are listed in Table II The calculated monolayer saturation capacities according to Langmuir adsorption isotherm model for Re(VII) and W(VI) on MB-PGME-ED are 16.7 mg/g and 15.4 mg/g, respectively, while the Q max values for Re(VII) and W(VI) on MB-PGME-HD are 18.9 mg/g and 15.6 mg/g, respectively. Also, the values of the dimensionless constant called the separation factor, R L , were calculated (Eq.2) [22].…”

Section: Resultsmentioning

confidence: 99%

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Novel magnetic polymer/bentonite composite: Characterization and application for Re(VII) and W(VI) adsorption

et al. 2021

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A novel magnetic polymer/bentonite composite was prepared by suspension copolymerization of glycidyl methacrylate and ethylene glycol dimethacrylate in the presence of magnetic bentonite (MB-PGME) and functionalized with ethylene diamine and hexamethylene diamine (MB-PGME-ED and MB-PGME-HD). The obtained samples were characterized in terms of structure as well as thermal, magnetic and morphological properties. The sorption of rhenium (Re) and tungsten (W) from aqueous solution onto MB-PGME-ED and MB-PGME-HD was investigated considering their contact time and different initial ion concentration, giving possibility for usage of these composites as commercial sorbents. The sorption system follows the pseudo-second order and intraparticle diffusion kinetic models. The results indicated a better fit with the Freundlich isotherm model.

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Section: Resultsmentioning

confidence: 91%

Section: Resultsmentioning

confidence: 99%

Novel magnetic polymer/bentonite composite: Characterization and application for Re(VII) and W(VI) adsorption

et al. 2021

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“…Particles κ-Al 2 O 3 represent one of the transition phases of aluminum oxide, which has a polyhedral crystal structure in which oxygen and aluminum usually form octahedra and tetrahedra [30]. The chemical routes of alumina powder synthesis for sintering of ballistic protective equipment can be obtained by sol-gel [31], control precipitation [32], and hydrothermal processing [33] methods.…”

Section: Ceramic Fibers For Ballisticsmentioning

confidence: 99%

Ballistic Composites, the Present and the Future

Stupar¹

2022

Smart and Advanced Ceramic Materials and Applications

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In recent decades, the expansion of arms development has initiated the need to increase the protection of people and vehicles from pistol and rifle ammunition. Modern ceramic and ceramic-based materials are lightweight and durable and provide a sufficient level of protection against the penetration and impact of ammunition, which can protect the vital organs of the person. Modern tendencies require the addition of armor to vehicles, which reduces the necessity of excessive bulk steel usage and eliminates large and heavy mass weight amounts. By replacing the armored steel with new ballistic materials, a higher level of ballistic protection could be achieved, as well as reduction of weight, which both allows better mobility and increases the ability of installment of additional battle fighting equipment. Modern ceramic materials used in the production of armor are made by sintering the ceramic powder under certain conditions in a suitable molding tool. The chapter will cover the short material requirements, and material responses to ballistic impact, production methods, and applications. Also, the chapter will include the usage of ceramic fibers, alumina, silicon and boron carbide, titanium diboride, and ballistic materials that consist of a ceramic face bonded to a reinforced plastic laminate or metallic backplate.

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“…Modern human society invests significant efforts to reduce pollution and to diminish its negative influence on the environment [1,2]. Consequently, the polluted environment has a negative effect on the health and overall life quality of the human population, as well as on the existence of other living organisms.…”

Section: Introductionmentioning

confidence: 99%

Removal of the As(V) and Sr(VI) from the water using magnetite/3D-printed wollastonite hybrid adsorbent

Popović

Veličković²,

Bogdanov³

et al. 2022

Sci Sintering

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In this study, the structure, morphology and composition of the synthesized magnetite/3D-printed wollastonite (3D_W/M) composite were characterized, and its adsorption performance with respect to As(V) and Cr(VI) were studied. Magnetite (MG) modified 3D printed wollastonite was obtained by two step procedure: modification of 3D_W with 3-aminoproylsilane (APTES) followed by controlled magnetite (MG) deposition to obtain 3D_W/M adsorbent. The structure/properties of 3D_W/M were confirmed by applying FTIR, XRD, TGD/DTA, and SEM analysis. The adsorption properties of hybrid adsorbents were carried out for As(V) and Cr(VI) removal - one relative to the initial pH value, the adsorbent mass, the temperature, and the adsorption time. Time-dependent adsorption study was best described by pseudo-second order equation, while Weber Morris analysis showed that intraparticle diffusion controled diffusional transport. Similar activation energy, 17.44 and 14.49 kJ?mol-1 for adsorption As(V) and Cr(VI) on 3D_W/M, respectively, indicated main contribution of physical adsorption. Determination of adsorption parameters was performed by applying different adsorption isotherm models, and the best fit was obtained using Freundlich model. The adsorption capacity of 24.16 and 29.6 mg g-1 for As(V) and Cr(VI) at 2?C, Co = 5.5 and 5.3 mg L-1, respectively, were obtained. Thermodynamic study indicated favourable process at a higher temperature. Preliminary fixed-bed column study and results fitting with Bohart-Adams, Yoon-Nelson, Thomas, and Modified dose-response model showed good agreement with results from the batch study.

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Adsorption of anthraquinone dye AB111 from aqueous solution using synthesized alumina-iron oxide doped particles

Cited by 5 publications

References 40 publications

Novel magnetic polymer/bentonite composite: Characterization and application for Re(VII) and W(VI) adsorption

Novel magnetic polymer/bentonite composite: Characterization and application for Re(VII) and W(VI) adsorption

Ballistic Composites, the Present and the Future

Removal of the As(V) and Sr(VI) from the water using magnetite/3D-printed wollastonite hybrid adsorbent

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