Diacetylmonoxine modified chitosan derived ion-imprinted polymer for selective solid-phase extraction of nickel (II) ions

Elsayed, Nadia H.; Alatawi, Ayshah; Monier, M.

doi:10.1016/j.reactfunctpolym.2020.104570

Cited by 59 publications

(9 citation statements)

References 55 publications

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“…Among the available biopolymers, CS has the highest sorption performance toward HMIs [10][11][12] due to its abundant -NH 2 and -OH groups. Its sorption capacity has been further improved by functionalization with diacetylmonoxime [17] and polyhexamethyleneguanidine [18] or grafting of malic acid [19] or glutamic acid [20] onto CS matrix. Nevertheless, CS has poor mechanical properties and exhibits low chemical stability in harsh aqueous environments such as HMIs-containing wastewaters.…”

Section: Introductionmentioning

confidence: 99%

A Comparative Study on Cu2+, Zn2+, Ni2+, Fe3+, and Cr3+ Metal Ions Removal from Industrial Wastewaters by Chitosan-Based Composite Cryogels

Humelnicu

Drăgan²,

Ignat

et al. 2020

Molecules

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Materials coming from renewable resources have drawn recently an increased attention in various applications as an eco-friendly alternative in the synthesis of novel functional materials. Polysaccharides, with their prominent representative – chitosan (CS), are well-known for their sorption properties, being able to remove metal ions from dilute solutions either by electrostatic interactions or chelation. In this context, we proposed here a comparative study on Cu2+, Zn2+, Ni2+, Fe3+, and Cr3+ metal ions removal from industrial wastewaters by CS-based composite cryogels using batch technique. The composite cryogels consisting of CS embedding a natural zeolite, namely clinoptilolite, were synthesized by cryogelation, and their sorption performance were compared to those of CS cryogels and of acid-activated zeolite. A deeper analysis of thermodynamics and kinetics sorption data was performed to get insights into the sorption mechanism of all metal ions onto sorbents. Based on the optimized sorption conditions, the removal of the above-mentioned ions from aqueous solutions by the composite sorbent using dynamic technique was also evaluated.

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Section: Introductionmentioning

confidence: 99%

A Comparative Study on Cu2+, Zn2+, Ni2+, Fe3+, and Cr3+ Metal Ions Removal from Industrial Wastewaters by Chitosan-Based Composite Cryogels

Humelnicu

Drăgan²,

Ignat

et al. 2020

Molecules

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“…Chitosan exhibited a semicrystalline structure with two characteristic diffractive peaks at 2θ = 12°and 20°, which corresponded to reflection peaks in hydrated chitosan crystals at (0 2 0) and (1 0 0). 41,42 After the cross-linking reaction, the peak at 2θ = 12°d isappeared and the peak at 2θ = 20°decreased in intensity. These results demonstrated that the structural arrangement of the polysaccharide backbone changed after the crosslinking reaction and the crystallinity decreased, which might be attributed to the damage of inter and intra-molecular hydrogen bonds and the slight depolymerization of polysaccharide chains.…”

Section: Resultsmentioning

confidence: 99%

Adsorption property and mechanism of glutaraldehyde-crosslinked chitosan for removal of 2,4-dichlorophenoxyacetic acid from water

Yang

et al. 2023

Environ. Sci.: Water Res. Technol.

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“…In another study concerned with the s tive Ni removal and proper complexation with Ni ions, an ion-imprinted material prepared with diacetylmonoxine-modified chitosan. To maintain the structural rigidi the polymer, glyoxal was used as a crosslinker [145]. Lenoble et al [146] prepared a imprinted polymer using N-(4-vinylbenzyl)-2-(aminomethyl)pyridine (Vbamp) ligan form a complex between Ni²⁺ and the complex crosslinked with EGDMA in a 1:3 r The prepared material showed excellent retention capacity over other competitive The properties of the abovementioned Ni-IIPs are presented in Table 8.…”

Section: Cobaltmentioning

confidence: 99%

Ion-Imprinted Polymers: Synthesis, Characterization, and Adsorption of Radionuclides

et al. 2021

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Growing concern over the hazardous effect of radionuclides on the environment is driving research on mitigation and deposition strategies for radioactive waste management. Currently, there are many techniques used for radionuclides separation from the environment such as ion exchange, solvent extraction, chemical precipitation and adsorption. Adsorbents are the leading area of research and many useful materials are being discovered in this category of radionuclide ion separation. The adsorption technologies lack the ability of selective removal of metal ions from solution. This drawback is eliminated by the use of ion-imprinted polymers, these materials having targeted binding sites for specific ions in the media. In this review article, we present recently published literature about the use of ion-imprinted polymers for the adsorption of 10 important hazardous radionuclides—U, Th, Cs, Sr, Ce, Tc, La, Cr, Ni, Co—found in the nuclear fuel cycle.

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Diacetylmonoxine modified chitosan derived ion-imprinted polymer for selective solid-phase extraction of nickel (II) ions

Cited by 59 publications

References 55 publications

A Comparative Study on Cu2+, Zn2+, Ni2+, Fe3+, and Cr3+ Metal Ions Removal from Industrial Wastewaters by Chitosan-Based Composite Cryogels

A Comparative Study on Cu2+, Zn2+, Ni2+, Fe3+, and Cr3+ Metal Ions Removal from Industrial Wastewaters by Chitosan-Based Composite Cryogels

Adsorption property and mechanism of glutaraldehyde-crosslinked chitosan for removal of 2,4-dichlorophenoxyacetic acid from water

Ion-Imprinted Polymers: Synthesis, Characterization, and Adsorption of Radionuclides

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