Adsorption Of Amido Black 10B Research Articles

Adsorption of Amido Black 10B by Zinc Ferrite and Titanium Dioxide

This study focuses on the comprehensive recycling and utilization of zinc ferrite, a by-product of wet zinc refining, for the treatment of azo dye wastewater. It explores the adsorption performance of various materials on Amido Black 10B and analyzes the factors that influence the adsorption process. Zinc ferrite derived from the by-products of wet zinc refining, zinc ferrite synthesized via calcination, and titanium dioxide prepared using the sol–gel method are utilized as adsorbents, specifically targeting Amido Black 10B. By adjusting factors such as calcination temperature, mixing ratio, initial pH, adsorbent dosage, adsorption time, initial concentration, and reaction temperature, the effects on the adsorption of Amido Black 10B are studied. Additionally, the performance of composite materials consisting of different crystalline forms of titanium dioxide and purified zinc ferrite is examined. Furthermore, the adsorption process of Amido Black 10B by purified zinc ferrite/titanium dioxide is analyzed in terms of kinetics and thermodynamics. The results show that titanium dioxide and purified zinc ferrite, prepared at temperatures of 300 °C to 550 °C, achieve over 90% removal efficiency when co-adsorbing Amido Black 10B. The best performance is observed at a ratio of 4:6 for purified zinc ferrite to titanium dioxide, with removal efficiency exceeding 80%. The second-order kinetic model fits the adsorption data well, and higher initial solution concentrations lead to decreased adsorption rates. The adsorption process of purified zinc ferrite/titanium dioxide on Amido Black 10B is spontaneous, exothermic, and reduces system disorder. Higher temperatures negatively impact the adsorption process.

Simultaneous Removal of Cu(II), Cd(II), and Industrial Dye onto a Composite Chitosan Biosorbent

The application of sustainable materials for wastewater treatment can provide a better water quality, by eliminating toxic metals and also organic contaminants. In this study, we demonstrate a simple method to synthesize chitosan/diatomaceous earth composed (CSDE) as an adsorbent for simultaneous adsorption of Amido Black 10B (AB10B), Cd(II), and Cu(II) ions from aqueous solution. The synthesis is based on a surface physical modification of diatomaceous earth by chitosan as a binder. The effects of adsorbent dosage, initial ions concentration, contact time, and pH on the AB10B, Cd(II), and Cu(II) adsorption rate were investigated. Fourier transform infrared spectroscopy confirmed the successful preparation of the CSDE. Under optimal conditions, the adsorption isotherm of AB10B, Cd(II), and Cu(II) onto CSDE fitted the Langmuir model and the adsorption kinetics was well-correlated with the pseudo-second-order model. The CSDE composite exhibited excellent adsorption capacity toward AB10B, Cd(II), and Cu(II) in both single and multicomponent system with removal capacity of 132.8 mg/g—single; 115.3 mg/g—multicomponent (pH 2), 108 mg/g—single; 96.9 mg/g—multicomponent (pH 7), and 97 mg/g—single; 88.27 mg/g—multicomponent (pH 7), respectively, suggesting selective binding capacity and high adsorption efficiency of CSDE composite. The prepared adsorbent could be reused at least ten consecutive adsorption–desorption cycles with marginal decrease in the total adsorption capacity of both metals and AB10B. The prepared adsorbents showed a significant potential for AB10B, Cd(II), and Cu(II) ions recovery in industrial applications.

Synthesis and Characterization of PMMA Polymer/Clay Nanocomposites for Removal of Dyes

The adsorbent polymer/clay nanocomposites were prepared by in situ emulsion polymerization method. The prepared adsorbent was characterized using FT-IR, XRD, TGA and the surface morphology was analyzed using FE-SEM. The prepared polymer/clay nano-composite was used for the removal of malachite green and amido black 10B. The effects of initial pH, adsorbent dosage, initial metal ion concentration, contact time and thermodynamic studies on the malachite green and amido black 10B adsorption were studied. The adsorption isotherm parameters of the adsorption process were determined by using Langmuir, Freundlich and Temkin adsorption isotherm equations. The kinetic parameters were predicted with Lagergren’s pseudo-first order and pseudo-second order equations. The effect of temperature of the adsorption process was demonstrated by using the thermodynamic parameters. The maximum adsorption capacity of malachite green and amido black 10B onto polymer/clay nanocomposites was found at pH 7 and 2. Adsorption of malachite green and amido black 10B onto polymer/clay nanocomposites followed the Langmuir adsorption isotherm and it follows pseudo-second order rate constant equation The thermodynamic parameters, such as ΔHº, ΔSº and ΔGº were also determined which suggested that the studied adsorption process was an endothermic reaction.

Adsorptive Removal of Amido Black 10B from Aqueous Solution using Stem Carbon of Ricinus communis as Adsorbent

In the present work the efficiency of activated carbon made from stems of Ricinus communis (CRC) has been studied for removal of anionic dye- Amido black 10B from aqueous solution. The adsorbent has been characterized with scanning electron microscopy (SEM) and Fourier transformer infrared (FT-IR). The effects of various experimental parameters such as contact time, adsorbent dose, initial dye concentrations, pH, concentration of salt and temperature have been studied. Langmuir, Freundlich and Tempkin isotherm models have been used for describing the adsorption process. Of these, Langmuir isotherm model has best fitted the experimental data with a maximum adsorption capacity of 7.12 mg/g. Kinetics studies indicate that the adsorption of Amido black 10B has favoured toward pseudo-second-order model with high correlation coefficients. Thermodynamics parameters confirmed that the adsorption has been found to be spontaneous and endothermic in nature. These results suggested that CRC has a potential low-cost adsorbent for the removal of toxic dye Amido black 10B.

Bentonite Modified by Allylamine Polymer for Adsorption of Amido Black 10B.

The main object of this work is to remove Amido black 10B using a new type of bentonite-based adsorbent with cationic groups by the modification of polyallyl amines between the interlayers of bentonite. Fourier transform infrared, X-ray diffraction, thermogravimetric analysis, and scanning electron microscopy were used to characterize the functionalized bentonite. A series of batch adsorption experiments were performed. The maximum adsorption amount was 144.08 mg g−1 when the pH was 2 and the contact time was 120 min. In addition, the equilibrium isotherm data were analyzed using Langmuir and Freundlich isotherm models, while only the Langmuir model could provide a high correlation. Therefore, this study provided a new functionalized bentonite as a low-cost adsorbent for dye removal from water.

Adsorption of Amido Black 10B from aqueous solution using polyaniline/SiO2 nanocomposite: Experimental investigation and artificial neural network modeling

The present work focused on the performance of Polyaniline/SiO2 nanocomposite for removing Amido Black 10B dye from aqueous solution. The effect of different variables, such as adsorption time, the mass of adsorbent, solution pH and initial dye concentration was studied and also was optimized by an Artificial Neural Network (ANN) method. Lagergren, pseudo-second order, Intra-particle Diffusion, Elovich and Boyd models were tested to track the kinetics of the adsorption process. The experimental data were fitted to different two-parameter, and three-parameter isotherm models, namely, Langmuir, Freundlich, Temkin, D-R, Hill, Sips and Redlich-Peterson models, and their validity was examined. The results showed that the dye adsorption process was well described by Redlich-Peterson isotherm model. Thermodynamic studies revealed that the adsorption of Amido Black 10B onto Polyaniline/SiO2 nanocomposite was endothermic. The comparison of the adsorption efficiencies obtained by the ANN model and the experimental data evidenced that the ANN model could estimate the behavior of the Amido Black 10B dye adsorption process under various conditions.

Facile Synthesis of Chitosan Modified Fe<sub>3</sub>O<sub>4</sub> Magnetic Nanoparticles for Azo Dye Amido Black 10B Adsorption

Magnetic chitosan nanoparticles (Fe3O4-CS MNPs) were synthesized by an improved one-pot hydrothermal method and applied for azo dye amido black 10B adsorption. The Fe3O4-CS MNPs were characterized by SEM, TEM, DLS, XRD, FTIR, TGA and VSM. The adsorptive behavior of amido black 10B on Fe3O4-CS MNPs was investigated using the UV-vis specteophotometric technique and the affecting parameters including solution pH, contact time, amido black 10B concentration and Fe3O4-CS MNPs amount were examined. The adsorption process followed the pseudo-second-order kinetic model. The adsorption equilibrium data fitted well with the Freundlich isotherm model with the saturated adsorption capacity of 124.8 mg/g at pH=2.0. The desorption experiment could be carried out using NaOH with the recovery of 91.78%. After five cycles, adsorption efficiency still reached 83.24%. The results showed that Fe3O4-CS MNPs possessed a simple synthesis route and excellent reusability, which have potential application in the adsorption of azo dye in environmental effluents.

Adsorption of Amido Black 10B from Aqueous Solution Using Weed Waste as Adsorbent: Characterization, Equilibrium, Kinetic and Thermodynamic Studies

Adsorption of Amido Black 10B from Aqueous Solution Using Weed Waste as Adsorbent: Characterization, Equilibrium, Kinetic and Thermodynamic Studies

Synthesis of bentonite grafted by cationic polymer for the adsorption of Amido black 10B

In this work, a new kind of green functional bentonite (Bent) was synthesized by modifying Bent with poly(2-(acryloyloxy)ethyl) trimethylammonium chloride (PDAC) in a simple way. Bent-PDAC was characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), and thermogravimetric analysis (TGA). Results showed that PDAC was successfully grafted on the surface and interlayer of Bent. The as-prepared Bent-PDAC has the better adsorption capacity for anionic dye AB10B from aqueous solution. The adsorption of AB10B was examined by batch sorption experiments with respect to pH, initial concentration, temperature, and contact time. Results showed that the adsorption of Amido black 10B (AB10B) by Bent-PDAC fitted well with the pseudo-second-order kinetic model and Langmuir isotherm. The novel Bent-PDAC adsorbent exhibited great performance (399.47 mg/g) for the removal of AB10B under the optimum adsorption conditions. Bent-PDAC could be applied as an ideal adsorbent for removal of anionic dyes in water.

Adsorption of Amido Black 10B from aqueous solutions onto Zr (IV) surface-immobilized cross-linked chitosan/bentonite composite

Zr(IV) surface-immobilized cross-linked chitosan/bentonite composite was synthesized by immersing cross-linked chitosan/bentonite composite in zirconium oxychloride solution, and characterized by X-ray diffraction, Fourier transform infrared spectroscopy, Scanning electron microscopy techniques. The adsorption of an anionic dye, Amido Black 10B, from aqueous solution by Zr(IV) loaded cross-linked chitosan/bentonite composite was investigated as a function of loading amount of Zr(IV), adsorbent dosage, pH value of initial dye solution, and ionic strength. The removal of Amido Black 10B increased with an increase in loading amount of Zr(IV) and adsorbent dosage, but decreased with an increase in pH or ionic strength. The adsorption of AB10B onto Zr(IV) loaded cross-linked chitosan/bentonite composite was favored at lower pH values and higher temperatures. The Langmuir isotherm model fitted well with the equilibrium adsorption isotherm data and the maximum monolayer adsorption capacity was 418.4mg/g at natural pH value and 298K. The pseudo-second-order kinetic model well described the adsorption process of Amido Black 10B onto Zr(IV) loaded cross-linked chitosan/bentonite composite. The possible mechanisms controlling Amido Black 10B adsorption included hydrogen bonding and electrostatic interactions.

Adsorption of an anionic azo dye by cross-linked chitosan/bentonite composite

In this study, cross-linked chitosan (CCS)/bentonite (BT) composite was prepared by the intercalation of chitosan in bentonite and the cross-linking reaction between chitosan and glutaraldehyde. CCS/BT composite was characterized by using Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), X-ray diffraction (XRD) and thermal gravimetric analyses (TGA). Their adsorption characteristics were assessed by using an azo dye (Amido Black 10B) as a model adsorbate. The adsorption of Amido Black 10B onto the CCS/BT composite was found to be optimal at pH 2. The adsorption isotherm was well described by the Langmuir model and the maximum adsorption capacity was 323.6mg/g at 293K and pH 2. Amido Black 10B adsorption kinetics followed a pseudo-second-order kinetic model. The calculated thermodynamic parameters showed that the adsorption of Amido Black 10B by CCS/BT composite was spontaneous and endothermic in nature.

Adsorption of a model anionic dye on protonated crosslinked chitosan

In the present study, chitosan has been chemically modified by crosslinking and protonation. Protonated crosslinked chitosan (PCC) was employed as an adsorbent to remove amido black 10B from aqueous solution. Adsorption experiments were performed by varying initial dye concentration, pH value of the solution, contact time, and temperature. The adsorption of amido black 10B onto PCC obeyed Langmuir isotherm. The adsorption capacity was 9.43 mg g−1 at 293 K. Thermodynamic studies revealed that the nature of amido black 10B adsorption was spontaneous and endothermic. Sorption kinetics was mainly controlled by pseudo-second-order model. About 0.1M NaOH was identified as the best eluent.

Adsorptive removal of an acid dye by lignocellulosic waste biomass activated carbon: Equilibrium and kinetic studies

Chemically prepared activated carbon material derived from palm flower was used as adsorbent for removal of Amido Black dye in aqueous solution. Batch adsorption studies were performed for the removal of Amido Black 10B (AB10B), a di-azo acid dye from aqueous solutions by varying the parameters like initial solution pH, adsorbent dosage, initial dye concentration and temperature with three different particle sizes such as 100 μm, 600 μm and 1000 μm. The zero point charge was pH 2.5 and the maximum adsorption occurred at the pH 2.3. Experimental data were analyzed by model equations such as Langmuir, Freundlich and Temkin isotherms and it was found that the Freundlich isotherm model best fitted the adsorption data and the Freundlich constants varied from ( K F ) 1.214, 1.077 and 0.884 for the three mesh sizes. Thermodynamic parameters such as Δ G, Δ H and Δ S were also calculated for the adsorption processes and found that the adsorption process is feasible and it was the endothermic reaction. Adsorption kinetics was determined using pseudo first-order, pseudo second-order rate equations and also Elovich model and intraparticle diffusion models. The results clearly showed that the adsorption of AB10B onto lignocellulosic waste biomass from palm flower (LCBPF) followed pseudo second-order model, and the pseudo second-order rate constants varied from 0.059 to 0.006 (g mg −1 min) by varying initial adsorbate concentration from 25 mg L −1 to 100 mg L −1. Analysis of the adsorption data confirmed that the adsorption process not only followed intraparticle diffusion but also by the film diffusion mechanism.