A novel lignin hydrogel supported nZVI for efficient removal of Cr(VI)

Liu, Xiaoyan; Zhang, Shenyu; Zhang, Xinying; Guo, Hao; Cao, Xinde; Lou, Ziyang; Zhang, Wei; Wang, Chuanhua

doi:10.1016/j.chemosphere.2022.134781

“…The removal of Cr( vi ) was a synergistic result of reduction and adsorption, as evidenced by the correlation coefficient ( R 2 ) exceeding 0.99. 31,32 The pseudo-first kinetics showed a more appropriate fit at pH of 5, 7, and 9, indicating that reduction is the main mechanism for the removal of Cr( vi ). Under acidic pH conditions, the pseudo-first reduction equilibrium rate constant ( k obs ) significantly increases, demonstrating that the reduction of Cr( vi ) is more effective.…”

Section: Resultsmentioning

confidence: 98%

Efficient elimination of Cr(vi) in groundwater using nano zero-valent iron synthesized with Ginkgo biloba extracts: enhanced mechanism and reduced toxicity

Li,

Zhu,

Gao

et al. 2024

Environ. Sci.: Water Res. Technol.

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“…[44] They have also been used as scaffolds for tissue engineering and for the removal of heavy metals and dyes from contaminated water. [45] Lignin based hydrogels have been significantly researched in the field of biomedical applications. Drugrelease systems have been successfully developed using wood (lignin and cellulose)-based hydrogels, wherein paracetamol was used as a standard drug.…”

Section: Lignin-based Soft Hydrogelsmentioning

confidence: 99%

Lignin Upconversion by Functionalization and Network Formation

Chandna,

Olivares M.,

Baranovskii

et al. 2023

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Lignin, a complex and abundant biopolymer derived from plant cell walls, has emerged as a promising feedstock for sustainable material development. Due to the high abundance of phenylpropanoid units, aromatic rings, and hydroxyl groups, lignin is an ideal candidate for being explored in various material applications. Therefore, the demand on lignin valorization for development of value‐added products is significantly increasing. This mini‐review provides an overview of lignin upconversion, focusing on its functionalization through chemical and enzymatic routes, and its application in lignin‐based polymer resins, hydrogels, and nanomaterials. The functionalization of lignin molecules with various chemical groups offers tailored properties and increased compatibility with other materials, expanding its potential applications. Additionally, the formation of lignin‐based networks, either through cross‐linking or blending with polymers, generates novel materials with improved mechanical, thermal, and barrier properties. However, challenges remain in optimizing functionalization techniques, preserving the innate complexity of lignin, and achieving scalability for industrial implementation. As lignin's potential continues to be unlocked, it is poised to contribute significantly to the shift towards more eco‐friendly and resource‐efficient industries

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“…Zu den Anwendungen von weichen Hydrogelen auf Ligninbasis gehören Wundheilung, Medikamentenverabreichung, Gewebezüchtung und Sanierung [44] . Sie wurden auch als Gerüste für die Gewebezüchtung und zur Entfernung von Schwermetallen und Farbstoffen aus kontaminiertem Wasser verwendet [45] …”

Section: Vernetzte Materialien Auf Ligninbasisunclassified

“…[44] Sie wurden auch als Gerüste für die Gewebezüchtung und zur Entfernung von Schwermetallen und Farbstoffen aus kontaminiertem Wasser verwendet. [45] Lignin-basierte Hydrogele wurden im Bereich biomedizinischer Anwendungen umfassend erforscht. Arzneimittelverabreichungs-systeme wurden erfolgreich unter Verwendung holzbasierter Hydrogele (Lignin und Cellulose) entwickelt, wobei Paracetamol als Standardarzneimittel eingesetzt wurde.…”

Section: Weiche Hydrogele Auf Ligninbasisunclassified

Ligninumwandlung durch Funktionalisierung und Netzwerkbildung

Chandna,

Olivares M.,

Baranovskii

et al. 2023

Angewandte Chemie

0

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Lignin, a complex and abundant biopolymer derived from plant cell walls, has emerged as a promising feedstock for sustainable material development. Due to the high abundance of phenylpropanoid units, aromatic rings, and hydroxyl groups, lignin is an ideal candidate for being explored in various material applications. Therefore, the demand on lignin valorization for development of value‐added products is significantly increasing. This mini‐review provides an overview of lignin upconversion, focusing on its functionalization through chemical and enzymatic routes, and its application in lignin‐based polymer resins, hydrogels, and nanomaterials. The functionalization of lignin molecules with various chemical groups offers tailored properties and increased compatibility with other materials, expanding its potential applications. Additionally, the formation of lignin‐based networks, either through cross‐linking or blending with polymers, generates novel materials with improved mechanical, thermal, and barrier properties. However, challenges remain in optimizing functionalization techniques, preserving the innate complexity of lignin, and achieving scalability for industrial implementation. As lignin's potential continues to be unlocked, it is poised to contribute significantly to the shift towards more eco‐friendly and resource‐efficient industries

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A novel lignin hydrogel supported nZVI for efficient removal of Cr(VI)

Cited by 29 publications

References 45 publications

Efficient elimination of Cr(vi) in groundwater using nano zero-valent iron synthesized with Ginkgo biloba extracts: enhanced mechanism and reduced toxicity

Efficient elimination of Cr(vi) in groundwater using nano zero-valent iron synthesized with Ginkgo biloba extracts: enhanced mechanism and reduced toxicity

Lignin Upconversion by Functionalization and Network Formation

Ligninumwandlung durch Funktionalisierung und Netzwerkbildung

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