Ion imprinted polymer layer modified magnetic nanocomposites for selective recycling of aqueous Ni(II)

Zhou, Guangzhu; Yu, Peidong; Shen, Yuhong; Wang, Cuizhen; Li, Yin-Ming; Yang, Rongchao; Fu, Xiaoning; Chi, Jingyi; Chen, Xi; Feng, Yongzeng

doi:10.1016/j.jclepro.2022.133748

Cited by 16 publications

(9 citation statements)

References 66 publications

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“…Consequently, its removal is highly demanded. Thus, several Ni(II)-imprinted materials have been prepared [ 101 , 102 , 103 , 104 , 105 , 106 , 107 , 108 , 109 , 110 , 111 , 112 ] ( Table 4 ).…”

Section: Ion-imprinted Polymeric Materials For Selective Extraction O...mentioning

confidence: 99%

“…Environmental-friendly Ni(II)-imprinted magnetic nanomaterials have been synthesized by polymerization of PVA on the surface of bentonite/CoFe 2 O 4 /SiO 2 particles [ 109 ]. The adsorption capacity of Ni(II) by the magnetic bentonite/CoFe 2 O 4 /SiO 2 /PVA nanocomposites increased gradually with time, and reached the adsorption equilibrium at 60 min.…”

Section: Ion-imprinted Polymeric Materials For Selective Extraction O...mentioning

confidence: 99%

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Ion-Imprinted Polymeric Materials for Selective Adsorption of Heavy Metal Ions from Aqueous Solution

Lazăr¹,

Ghiorghiță²,

Drăgan³

et al. 2023

Molecules

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The introduction of selective recognition sites toward certain heavy metal ions (HMIs) is a great challenge, which has a major role when the separation of species with similar physicochemical features is considered. In this context, ion-imprinted polymers (IIPs) developed based on the principle of molecular imprinting methodology, have emerged as an innovative solution. Recent advances in IIPs have shown that they exhibit higher selectivity coefficients than non-imprinted ones, which could support a large range of environmental applications starting from extraction and monitoring of HMIs to their detection and quantification. This review will emphasize the application of IIPs for selective removal of transition metal ions (including HMIs, precious metal ions, radionuclides, and rare earth metal ions) from aqueous solution by critically analyzing the most relevant literature studies from the last decade. In the first part of this review, the chemical components of IIPs, the main ion-imprinting technologies as well as the characterization methods used to evaluate the binding properties are briefly presented. In the second part, synthesis parameters, adsorption performance, and a descriptive analysis of solid phase extraction of heavy metal ions by various IIPs are provided.

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Section: Ion-imprinted Polymeric Materials For Selective Extraction O...mentioning

confidence: 99%

Section: Ion-imprinted Polymeric Materials For Selective Extraction O...mentioning

confidence: 99%

Ion-Imprinted Polymeric Materials for Selective Adsorption of Heavy Metal Ions from Aqueous Solution

Lazăr¹,

Ghiorghiță²,

Drăgan³

et al. 2023

Molecules

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“…Adsorption, one of the most common techniques, has been widely used for the cost-effectiveness, high adsorption capacity, sludge minimization, no additional nutrient requirement, and flexible operation. Several studies have made important contributions, for instance, zeolites, [3] biochar, [12][13] calcium silicate hydrategels, [14] apatite, [15] Fe 3 O 4 , [13,16] chitosan-wood flour-based composite, [17] bentonite/CoFe 2 O 4 /SiO 2 @polyvinyl alcohol, [18] resin, [19] orange peel, [20] etc. We are aware that iron-based materials have little influence on the environment, and their huge abundances account determines their relatively lower market prices.…”

Section: Introductionmentioning

confidence: 99%

Preparation of nZVI/MCM‐41/rGO for Adsorption of Nickel Ions from Water

Piao,

Peng,

Liu

et al. 2024

ChemistrySelect

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Emissions of nickel (Ni) are harmful to the environment and people‘s health. Although nano zero‐valent iron (nZVI) has a lot of potential for treating water pollution, its instability and tendency for aggregation have limited its application. In order to improve its properties, composite adsorbent MCM‐41/rGO supported nZVI (nZVI/MCM‐41/rGO) is designed for improving the properties of nZVI, and it is characterized by SEM, XRD, FTIR and BET. The results show that it has an apparent Fe(0) crystallinity and modest rGO crystallinity, as well as a rough and porous structure. There are many oxygen‐containing groups found on the surface of nZVI/MCM‐41/rGO, such as −OH, −COOH, and Si−O. The pore diameter is concentrated at 23.82 nm, and the specific surface area is 15.94 cm2/g. The consequences of several parameters such as contact time, initial metal ion concentration, adsorbent dosage, and pH for adsorption efficiency were investigated. The best performance is occurred at pH 6, C0=80 mg/L with a 2 g/L adsorbent dosage, and after 180 min, a maximum adsorption capacity of 41.82 mg/g is reached at 333 K. The Dubinin‐Radushkevich isotherm and second order kinetic models fit the Ni(II) adsorption process well. It is determined through analysis of the thermodynamic parameters that the adsorption progress is endothermic (ΔH0>0) and spontaneous (ΔG0<0). nZVI/MCM‐41/rGO has proven to be an effective and alternative material for the removal of Ni(II) ions from aqueous media due to its excellent removal ability, availability, and low cost.

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“…Recent studies have shown the successful selective removal of metal ions from aqueous solutions using ion-imprinted chitosan adsorbents such as Cd 2+ ions [ 72 ], Pb 2+ ions [ 73 ], and Hg 2+ ions [ 74 ], which all have achieved higher selectivity in the presence of other ions with similar valence or ionic radius that could cause competitiveness on the ion-imprinted cavities of the adsorbents. Generally, MIPs preparation process has been reported to be complicated and in many cases time-consuming, in addition to producing particles with fewer recognition sites inside their matrices, therefore, the structure of the molecule imprinted layer is difficult to control, which might influence the adsorption capacity [ 75 , 76 ]. This study brings a cost-efficient and highly selective solution to remove iodide ions from nuclear wastewater.…”

Section: Introductionmentioning

confidence: 99%

Iodide ion-imprinted chitosan beads for highly selective adsorption for nuclear wastewater treatment applications

Ismail,

Wang,

Al Shehhi

et al. 2024

Heliyon

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Ion imprinted polymer layer modified magnetic nanocomposites for selective recycling of aqueous Ni(II)

Cited by 16 publications

References 66 publications

Ion-Imprinted Polymeric Materials for Selective Adsorption of Heavy Metal Ions from Aqueous Solution

Ion-Imprinted Polymeric Materials for Selective Adsorption of Heavy Metal Ions from Aqueous Solution

Preparation of nZVI/MCM‐41/rGO for Adsorption of Nickel Ions from Water

Iodide ion-imprinted chitosan beads for highly selective adsorption for nuclear wastewater treatment applications

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