Preparation polymer-grafted magnetic starch adsorption material St/Fe3O4-g-p(GMA-r-HEMA) used for removal of heavy metals

Hou, Chengmin; Yan, Weimin; Ma, Hanxiao; Bai, Yuan; Yuan, Zhiting

doi:10.1016/j.colsurfa.2024.133255

Cited by 3 publications

(2 citation statements)

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“…The application and research of SAP have been ongoing for 40 years, and it is a vital resource for drought Polymers 2024, 16, 1756 2 of 20 resistance, water conservation, soil enhancement, and fertility preservation for China's agricultural production. In recent years, with the growing attention to the remediation of soil trace metal pollution, the use of SAP for removing soil trace metal pollution has attracted significant interest [6,7]. However, there is a lack of research on the adsorption and antagonism of soil trace metal ions toward different types of SAPs in this field, which provides an important foundation for this study.…”

Section: Introductionmentioning

confidence: 99%

“…Zhang, Y. et al studied the impact of SAP synthesized from acrylic acid, acrylamide, and N,N′-methylene bisacrylamide on the accumulation of Cd in plants and soil quality [ 4 ]. Dhiman, J. et al examined the effects of Plantago major peel biochar, and polyacrylamide SAP on the accumulation of trace metals in potato, spinach, and soil [ 5 , 6 , 7 ]. Li, J. C. et al studied the preparation of magnetic Fe 3 O 4 /ZIF-8 (MFZ) and its adsorption performance for Cd(II) in water.…”

Section: Introductionmentioning

confidence: 99%

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Study on Adsorption Characteristics and Water Retention Properties of Attapulgite–Sodium Polyacrylate and Polyacrylamide to Trace Metal Cadmium Ion

Cai,

Zhan,

Wang

et al. 2024

Polymers

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The adsorption mechanism of superabsorbent polymer (SAP) can provide theoretical guidance for their practical applications in different environments. However, there has been limited research on the mechanism of attapulgite–sodium polyacrylate. This research aimed to compare the Cd(II) adsorption characteristics and water retention properties of organic–inorganic composite SAP (attapulgite–sodium polyacrylate, OSAP) and organic SAP (polyacrylamide, JSAP). Batch experiments were used to investigate the kinetics of Cd(II) adsorption, as well as the thermodynamic properties and factors influencing these properties. The results show that the Cd(II) adsorption capacity was directly proportional to the pH value. The maximum adsorption capacities of OSAP and JSAP were of 770 and 345 mg·g−1. The Cd(II) adsorption for OSAP and JSAP conformed to the Langmuir and the quasi-second-order kinetic model. This indicates that chemical adsorption is the primary mechanism. The adsorption process was endothermic (ΔH0 > 0) and spontaneous (ΔG0 < 0). The water adsorption ratios of OSAP and SAP were 474.8 and 152.6 in pure water. The ratio decreases with the increase in Cd(II) concentration. OSAP and JSAP retained 67.23% and 38.37% of the initial water adsorption after six iterations of water adsorption. Hence, OSAP is more suitable than JSAP for agricultural and environmental ecological restoration in arid and semi-arid regions.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Study on Adsorption Characteristics and Water Retention Properties of Attapulgite–Sodium Polyacrylate and Polyacrylamide to Trace Metal Cadmium Ion

Cai,

Zhan,

Wang

et al. 2024

Polymers

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Formic acid electrospun composite fibers based on polyhydroxybutyrate/polyamide 6 loaded with protonated montmorillonite as promising disposable heavy metal removal sorbent

Penchev,

Budurova,

Ublekov

et al. 2024

emergent mater.

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Integrated Magnetic Carbon-Based Materials as Promising Adsorbents for the Removal of Heavy Metals

Vishnu,

Lawrence,

Pal

2024

Advances in Chemical and Materials Engineering

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Heavy metal toxicity is an alarming challenge, since these metals exhibit negative impacts on ecosystem and human health. Carbon-based materials hold the promising, alternative, and effective material to eliminate pollutants in contaminated soils as it acts as a heavy metal adsorbent in soil remediation. Interestingly, carbon-based materials integrated with magnetic particles possess an enhanced absorption capacity in the heavy metal removal and it also removes the other organic contaminants. Moreover, new approaches are developed by using carbon-based materials integrated with magnetic particles for their long-term, cost effective, and sustainable prospects to environmental pollution. This chapter focused on the role and conspicuousness of carbon-based materials integrated with magnetic particles taking into account in heavy metal removal. Moreover, this chapter ultimately grasped the highlights of contemporary advances in these materials as adsorbents. Carbon-based materials eventually reduce the heavy metal toxicity besides being as a soil rejuvenators.

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Preparation polymer-grafted magnetic starch adsorption material St/Fe3O4-g-p(GMA-r-HEMA) used for removal of heavy metals

Cited by 3 publications

References 54 publications

Study on Adsorption Characteristics and Water Retention Properties of Attapulgite–Sodium Polyacrylate and Polyacrylamide to Trace Metal Cadmium Ion

Study on Adsorption Characteristics and Water Retention Properties of Attapulgite–Sodium Polyacrylate and Polyacrylamide to Trace Metal Cadmium Ion

Formic acid electrospun composite fibers based on polyhydroxybutyrate/polyamide 6 loaded with protonated montmorillonite as promising disposable heavy metal removal sorbent

Integrated Magnetic Carbon-Based Materials as Promising Adsorbents for the Removal of Heavy Metals

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