Agar/maltodextrin/poly(vinyl alcohol) walled montmorillonite composites for removal of methylene blue from aqueous solutions

Nguyen, Thuong Thi; Hoang, Ngoc Bich; Tran, Thuan Van; Nguyen, Dai Van; Nguyen, Trinh Duy; Vo, Dai‐Viet N.

doi:10.1016/j.surfin.2021.101410

Cited by 9 publications

(5 citation statements)

References 45 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…These results are in agreement with previously published scanning electron microscope and Fourier transform infrared analysis results. 30,31,33 In the case of the PAM244 membrane, it shows compliance with the models with the same correlation coefficients. In addition, the Elovich and Bangham models showed the presence of diffusion of antibiotic molecules into the membrane.…”

Section: Resultssupporting

confidence: 55%

“…The membrane films were synthesized by the casting method at different component ratios to give PAM244 (PAM at 20%/40%/40%, w/w), PAM433 (PAM at 40%/30%/30%, w/w), PAM622 (PAM at 60%/20%/20%, w/w), and PAM811 (PAM at 80%/10%/10%, w/w), based on our previous studies. 30,31,33 Components were dissolved in 100 mL of distilled water at 70°C. 31 After mixing three solutions, 0.5% of glycerol (v/v) was added to the mixture and homogenized for 1 h using a magnetic stirrer.…”

Section: Preparation Of the Composite Membranementioning

confidence: 99%

See 1 more Smart Citation

Removal of the antibiotic ciprofloxacin by using a polyvinyl alcohol/agar/maltodextrin composite membrane: Optimization by response surface methodology

Tran,

Hoang,

Van Tan

et al. 2023

Journal of Chemical Research

Self Cite

View full text Add to dashboard Cite

Polyvinyl alcohol/agar/maltodextrin composite membranes at different ratios are investigated for the removal of the antibiotic ciprofloxacin from water. The factors affecting the adsorption capacity of the as-synthesized membranes include time, pH, temperature, concentration, and dosage of film. The PAM244 and PAM433 membranes are subjected to optimization using response surface methodology model employing the Box–Behnken experimental design model. The optimal model has shown compatibility between the experimental value and the predicted value of the model. The correlation coefficients of PAM244 and PAM433 are recorded as R2 = 0.999 and R2 = 0.991, respectively. The model also proposes the optimal parameters. For PAM244, the adsorption capacity predicted from the model is 11.52 mg g–1 (42% of efficiency) at pH 5.89, a concentration of 41.28 mg L–1, over a time period of 19.87 min, and dosage of film 2.08 g L–1. For PAM433, the adsorption capacity predicted from the model is 10.46 mg g–1 (40% of efficiency) at pH 6.07, a concentration of 41.24 mg L–1, over a time period of 19.59 min, and dosage of film 2.16 g L–1. To enhance the potential of the material, the membrane reusability is also examined with the number of reuses being three times with the PAM244 membrane and twice with the PAM433 membrane.

show abstract

Section: Resultssupporting

confidence: 55%

Section: Preparation Of the Composite Membranementioning

confidence: 99%

Removal of the antibiotic ciprofloxacin by using a polyvinyl alcohol/agar/maltodextrin composite membrane: Optimization by response surface methodology

Tran,

Hoang,

Van Tan

et al. 2023

Journal of Chemical Research

Self Cite

View full text Add to dashboard Cite

show abstract

“…MMT can undergo surface modification with various species through grafting, immobilization, chemical vapor deposition [73], sol-gel, condensation, surfactant modifications etc., to form exciting surfaces of polymer-MMT composites [114], surfactant/MMT [157], metal//MMT, metal-oxide/MMT nanocomposites [79], for heterogeneous catalysis. Although metal-oxide nanoparticle semiconductors have been the most widely employed photocatalyst due to their low-cost, stability, and ability to generate electrons (e − ) and holes (h + ) generation upon light absorption [158]; however, they suffered extended photogenerated carriers' recombination [159] and can only be excited by ultraviolet radiation.…”

Section: Mmt For Photocatalytic Degradation Of Pollutantsmentioning

confidence: 99%

Montmorillonite for Adsorption and Catalytic Elimination of Pollutants from Wastewater: A State-of-the-Arts Review

Zango

Garba

et al. 2022

Sustainability

View full text Add to dashboard Cite

Clay minerals have been recognized as one of the cheap and effective materials for wastewater remediation. Among the various clay minerals, montmorillonite (MMT) has received much attention due to its wide availability, low-cost and promising properties such as high porosity, mechanical strength, and cation exchange capacity. Additionally, MMT has high swelling properties. These features make it an ideal material for wastewater remediation applications. In addition, it possessed good cationic exchange capacity, making it easier to interact with various molecules. MMT and its composites exhibited good selectivity and catalytic activity for contaminants elimination from wastewater. Surface modification and functionalization have been identified as a way to improve the MMT’s adsorptive performance and endow it with light and light-harnessing properties. Thus, MMT composites, especially metal and metal-oxide nanoparticles, have shown good adsorption and photocatalytic activity toward the elimination/mineralization of various contaminants such as dyes, pharmaceuticals, heavy metals, and other organic and inorganic species. As such, MMT and its composites can be adopted as potential materials for wastewater remediation.

show abstract

“…Dye pollution comes from the textile and printing sectors and poses a number of risks to the aquatic environment and public health. However, many textile dyes are recognised to be highly toxic, mutagenic, and carcinogenic substances [ 2 ]. Therefore, the elimination of synthetic dyes is crucial.…”

Section: Introductionmentioning

confidence: 99%

Synthesis of New Hydrogels Involving Acrylic Acid and Acrylamide Grafted Agar-Agar and Their Application in the Removal of Cationic Dyes from Wastewater

Betraoui,

Seddiki,

Souag

et al. 2023

Gels

View full text Add to dashboard Cite

Polyacrylic Acid grafted Agar-agar (AAc-graf-Agar), and polyacrylamide grafted Agar-Agar (AAm-graf-Agar) have been synthesised by free radical polymerisation route initiated by ammonium peroxodisulphate (APS), the grafted polymers were characterised by FTIR, TGA and SEM methods. The swelling properties were studied in deionised water and saline solution at room temperature. The prepared hydrogels were examined by removing cationic methylene blue (MB) dye from the aqueous solution, in which the adsorption kinetics and isotherms models were also investigated. It was found that the pseudo-second-order and Langmuir equations are the most suitable for the different sorption processes. The maximum dye adsorption capacity was 1035.96 mg∙g−1 for AAc-graf-Agar in pH medium 12 and 1015.7 mg∙g−1 for AAm-graf-Agar in neutral pH medium. This indicates that the AAc-graf-Agar hydrogel could be an excellent adsorbent for removing MB from aqueous solutions.

show abstract

Agar/maltodextrin/poly(vinyl alcohol) walled montmorillonite composites for removal of methylene blue from aqueous solutions

Cited by 9 publications

References 45 publications

Removal of the antibiotic ciprofloxacin by using a polyvinyl alcohol/agar/maltodextrin composite membrane: Optimization by response surface methodology

Removal of the antibiotic ciprofloxacin by using a polyvinyl alcohol/agar/maltodextrin composite membrane: Optimization by response surface methodology

Montmorillonite for Adsorption and Catalytic Elimination of Pollutants from Wastewater: A State-of-the-Arts Review

Synthesis of New Hydrogels Involving Acrylic Acid and Acrylamide Grafted Agar-Agar and Their Application in the Removal of Cationic Dyes from Wastewater

Contact Info

Product

Resources

About