Lignin-based adsorbent materials for metal ion removal from wastewater: A review

Santander, Paola; Butter, Bryan; Oyarce, Estefanía; Yáñez, Marco A.; Xiao, Ling‐Ping; Sánchez, Julio

doi:10.1016/j.indcrop.2021.113510

Cited by 79 publications

(17 citation statements)

References 156 publications

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“…Because of the presence of various active functional groups (such as hydroxyl, carbonyl, carboxyl, methyl, etc. ), lignin can be chemically modified to obtain lignin-based adsorbent materials with high efficiency and to improve the commercial value of lignin [65].…”

Section: Adsorbentmentioning

confidence: 99%

Research Progress on the Preparation and High-Value Utilization of Lignin Nanoparticles

Liu

Zhuang

Chen

et al. 2022

IJMS

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Lignin nanoparticles, the innovative achievements in the development and utilization of lignin, combine the structural characteristics of nanomaterials and lignin molecules and have a wide range of applications. In this review, we summarize the methods for preparing lignin nanoparticles by solvent exchange method, mechanical method, biological enzymatic method, interface polymerization/crosslinking method, and spray freezing method, and emphatically introduce the application prospects of lignin nanoparticles in ultraviolet protection, antibacterial, nano-filler, drug delivery, and adsorption, aiming to provide a certain reference direction for additional high-value applications of lignin nanoparticles.

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Section: Adsorbentmentioning

confidence: 99%

Research Progress on the Preparation and High-Value Utilization of Lignin Nanoparticles

Liu

Zhuang

Chen

et al. 2022

IJMS

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“…In particular, industrial (technical) lignin has attracted worldwide attention as it is an abundant biodegradable and renewable resource for the production of biofuels, chemicals, and polymeric materials, with the advantage that it does not compete with food stocks. Lignins have potential as adsorbents for removing metals from water due to their acid sites, namely, carboxylic and phenolic groups [28][29][30], though the phenolic groups exhibit a higher affinity for metal ions than the carboxylic ones [28]. In addition, other functional groups, such as nitrogen-and sulfurcontaining groups that may be present in the lignin structure, can also bind heavy metal ions [29,30].…”

Section: Introductionmentioning

confidence: 99%

“…Lignins have potential as adsorbents for removing metals from water due to their acid sites, namely, carboxylic and phenolic groups [28][29][30], though the phenolic groups exhibit a higher affinity for metal ions than the carboxylic ones [28]. In addition, other functional groups, such as nitrogen-and sulfurcontaining groups that may be present in the lignin structure, can also bind heavy metal ions [29,30]. In fact, lignin modification with nitrogen-and sulfur-containing functional groups has been used in the design and development of advanced adsorbents [29][30][31][32].…”

Section: Introductionmentioning

confidence: 99%

“…In addition, other functional groups, such as nitrogen-and sulfurcontaining groups that may be present in the lignin structure, can also bind heavy metal ions [29,30]. In fact, lignin modification with nitrogen-and sulfur-containing functional groups has been used in the design and development of advanced adsorbents [29][30][31][32]. Among different technical lignins, lignosulfonate (LS) is the only abundant lignin source on the market that can be considered potentially interesting for the production of conducting composites.…”

Section: Introductionmentioning

confidence: 99%

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Lignosulfonate-Based Conducting Flexible Polymeric Membranes for Liquid Sensing Applications

et al. 2021

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In this study, lignosulfonate (LS) from the acid sulfite pulping of eucalypt wood was used to synthesize LS-based polyurethanes (PUs) doped with multiwalled carbon nanotubes (MWCNTs) within the range of 0.1–1.4% w/w, yielding a unique conducting copolymer composite, which was employed as a sensitive material for all-solid-state potentiometric chemical sensors. LS-based PUs doped with 1.0% w/w MWCNTs exhibited relevant electrical conductivity suitable for sensor applications. The LS-based potentiometric sensor displayed a near-Nernstian or super-Nernstian response to a wide range of transition metals, including Cu(II), Zn(II), Cd(II), Cr(III), Cr(VI), Hg(II), and Ag(I) at pH 7 and Cr(VI) at pH 2. It also exhibited a redox response to the Fe(II)/(III) redox pair at pH 2. Unlike other lignin-based potentiometric sensors in similar composite materials, this LS-based flexible polymeric membrane did not show irreversible complexation with Hg(II). Only a weak response toward ionic liquids, [C2mim]Cl and ChCl, was registered. Unlike LS-based composites comprising MWCNTs, those doped with graphene oxide (GO), reduced GO (rGO), and graphite (Gr) did not reveal the same electrical conductivity, even with loads up to 10% (w/w), in the polymer composite. This fact is associated, at least partially, with the different filler dispersion abilities within the polymeric matrix.

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“…La lignina se une covalentemente a la celulosa y al xilano. La función de la lignina es dar soporte estructural, impermeabilidad y resistencia frente a ataques microbiales y el estrés oxidativo (Santander et al, 2021).…”

Section: Ligninaunclassified

Obtención de biobutanol a partir del residuo sólido de la industria cervecera. Estudio de alternativas y optimización de variables de proceso.

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Lignin-based adsorbent materials for metal ion removal from wastewater: A review

Cited by 79 publications

References 156 publications

Research Progress on the Preparation and High-Value Utilization of Lignin Nanoparticles

Research Progress on the Preparation and High-Value Utilization of Lignin Nanoparticles

Lignosulfonate-Based Conducting Flexible Polymeric Membranes for Liquid Sensing Applications

Obtención de biobutanol a partir del residuo sólido de la industria cervecera. Estudio de alternativas y optimización de variables de proceso.

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