Synthesis of photodegradable cassava starch-based double network hydrogel with high mechanical stability for effective removal of methylene blue

Arayaphan, Jiranun; Maijan, Pattarawadee; Boonsuk, Phetdaphat; Chantarak, Sirinya

doi:10.1016/j.ijbiomac.2020.11.166

Cited by 45 publications

(32 citation statements)

References 58 publications

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“…The proposed interaction mechanism between MB and PVA‐ g ‐PAA/CS‐ g ‐PAA hydrogel is illustrated in Figure 12 [52] . It is evident that electrostatic attractions and H‐bonding are dominant mechanisms for the adsorption of MB onto the hydrogel surface.…”

Section: Adsorption Mechanismsmentioning

confidence: 99%

“…The spent hydrogel adsorbent after adsorption of MB was regenerated by soaking in 0.5 M NaOH and water [52] . The regenerated adsorbent exhibited excellent adsorption performance in five consecutive adsorption‐desorption cycles with minimum loss in adsorption capacity, as shown in Figure 16a [52] .…”

Section: Reusability Performancementioning

confidence: 99%

“…[42] Synthesis mechanism of poly(vinyl alcohol)-g-poly(acrylic acid)/cassava starch-g-poly(acrylic acid) hydrogel (PVA-g-PAA/CS-g-PAA hydrogel) is depicted in Figure 3. [52] In the first stage, the potassium persulfate (KPS, 98 %) initiator reacted with hydroxyl groups of PVA and cassava starch (CS) to generate radicals on the polymer backbones (Figure 3a, b). The resultant PVA-g-PAA and CS-g-PAA were polymerized by acrylic acid monomer to yield the PVA-g-PAA/CS-g-PAA hydrogel (Figure 3c).…”

Section: Synthesis Of Starch-based Adsorbentsmentioning

confidence: 99%

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Recent Developments in the Removal of Dyes from Water by Starch‐Based Adsorbents

Ihsanullah

Bilal

Jamal

2022

The Chemical Record

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Starch‐based adsorbents have demonstrated excellent potential for the removal of various noxious dyes from wastewater. This review critically evaluates the recent progress in applications of starch‐based adsorbents for the removal of dyes from water. The synthesis methods of starch‐based composites and their effects on physicochemical characteristics of produced adsorbents are discussed. The removal of various dyes by starch‐based adsorbents are described in detail, with emphasis on the effect of key parameters, adsorption mechanism and their reusability potential. The key challenges related to the synthesis and applications of starch‐based adsorbents in water purification are highlighted. Based on the research gaps, recommendations for future research are made. The evaluation of starch‐based adsorbents would contribute to the development of sustainable water treatment options in near future.

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Section: Adsorption Mechanismsmentioning

confidence: 99%

Section: Reusability Performancementioning

confidence: 99%

Section: Synthesis Of Starch-based Adsorbentsmentioning

confidence: 99%

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Recent Developments in the Removal of Dyes from Water by Starch‐Based Adsorbents

Ihsanullah

Bilal

Jamal

2022

The Chemical Record

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“…Physically and mechanically stable. [86] Chitosan-Gelatin based hydrogel CH-GEL/ZSPNC (MW) eliminated 99% of cationic dye from the solution. The adsorption capacity of about 10.5 mg/g [87] CdS amended nano-ZnO/chitosan hydrogel For 5.0 mg/L, 95 percent of Congo Red was removed in 1 min.…”

Section: Polymeric Aerogels and Hydrogelsmentioning

confidence: 99%

Advanced Polymeric Nanocomposites for Water Treatment Applications: A Holistic Perspective

Adeola

Nomngongo

2022

Polymers

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Water pollution remains one of the greatest challenges in the modern era, and water treatment strategies have continually been improved to meet the increasing demand for safe water. In the last few decades, tremendous research has been carried out toward developing selective and efficient polymeric adsorbents and membranes. However, developing non-toxic, biocompatible, cost-effective, and efficient polymeric nanocomposites is still being explored. In polymer nanocomposites, nanofillers and/or nanoparticles are dispersed in polymeric matrices such as dendrimer, cellulose, resins, etc., to improve their mechanical, thermophysical, and physicochemical properties. Several techniques can be used to develop polymer nanocomposites, and the most prevalent methods include mixing, melt-mixing, in-situ polymerization, electrospinning, and selective laser sintering techniques. Emerging technologies for polymer nanocomposite development include selective laser sintering and microwave-assisted techniques, proffering solutions to aggregation challenges and other morphological defects. Available and emerging techniques aim to produce efficient, durable, and cost-effective polymer nanocomposites with uniform dispersion and minimal defects. Polymer nanocomposites are utilized as filtering membranes and adsorbents to remove chemical contaminants from aqueous media. This study covers the synthesis and usage of various polymeric nanocomposites in water treatment, as well as the major criteria that influence their performance, and highlights challenges and considerations for future research.

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“…It was reported that the effluents from textile industries typically contain 0.6−0.8 g L -1 of dye [3]. Dyes are chemicals which consist of aromatic structures; without proper wastewater treatment, they can be harmful to the aquatic environment and human health [4]. The molecules of dyes may shield light penetration in watercourses and affect the photosynthesis of aquatic plants [2].…”

Section: Introductionmentioning

confidence: 99%

Heterogeneous Fenton-Like Oxidation of Methylene Blue Using Alternative Catalysts

Michálek

Domnina

Kvorková

et al. 2021

Research Papers Faculty of Materials Science and Technology Slovak University of Technology

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The usage of the low-cost catalysts for methylene blue removal from wastewater was investigated. Heterogeneous Fenton-like process consists of the use of a hydrogen peroxide solution, and an iron-rich catalyst, red mud and black nickel mud were used for that purpose. The factors such as the catalyst dose and the hydrogen peroxide solution volume were monitored. The results of experiments showed that the degradation of methylene blue dye in Fenton-like oxidation process using selected catalysts can be described by a pseudo-second-order kinetic model. The highest dye removal efficiency (87.15 %) was achieved using the black nickel mud catalyst after 30 minutes of reaction.

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Synthesis of photodegradable cassava starch-based double network hydrogel with high mechanical stability for effective removal of methylene blue

Cited by 45 publications

References 58 publications

Recent Developments in the Removal of Dyes from Water by Starch‐Based Adsorbents

Recent Developments in the Removal of Dyes from Water by Starch‐Based Adsorbents

Advanced Polymeric Nanocomposites for Water Treatment Applications: A Holistic Perspective

Heterogeneous Fenton-Like Oxidation of Methylene Blue Using Alternative Catalysts

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