Lignin-based adsorbent for effective removal of toxic heavy metals from wastewater

Ruthran, V B; Barman, Priyasha; Kadam, R. V.; Kumar, Ajay

doi:10.1007/s42247-021-00311-5

Cited by 10 publications

(1 citation statement)

References 158 publications

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“…Among the most prominent advanced technologies for resource recovery from wastewater, including zero-liquid discharge (thermally driven), membrane-based reverse osmosis, electrodialysis, forward osmosis, activated carbon, microbial electrochemical technologies, chemical precipitation, and polymeric membranes (including ultra- and nanofiltration systems), there remain the issues of high energy requirements, high cost, limited efficiency, noncarbon neutrality, poor resource recovery resulting in water body eutrophication, sludge formation, and toxic gas release (e.g., CO 2 , N 2 O, and CH 4 ). ,− Green lignin nanoparticles have the potential to efficiently recover metals, ,,, toxic dyes, nutrients, pharmaceuticals, oil, microorganisms, and PFAS from wastewater, particularly via adsorption mechanisms . Additionally, lignin nanoparticles have also been tested as effective components of wastewater treatment membranes .…”

Section: Advances In Use Of Lignin Nanoparticles For Resource Recover...mentioning

confidence: 99%

Lignin Smart Nanoparticles for Effective and Eco-Friendly Resource Recovery from Wastewater: Status, Challenges, and Opportunities

Andeme Ela,

Heiden

2024

ACS Sustainable Resour. Manage.

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The overexploitation of finite natural resources and anthropogenic pollution pose a threat to economic security and human health. One approach for tackling these challenges is the development of effective, accessible, low-cost, bioderived, and eco-friendly technologies for the recovery of resources from wastewater. Wastewater contains resources of appreciable market value, including metals, pesticides, inorganic nutrients, dyes, and per- and polyfluorinated substances (PFAS). Established technologies, such as low-pressure membranes, biological treatments, and oxidation, are ineffectual, while more intricate technologies such as customized granular activated carbon and anion exchange resins suffer predominantly from high fouling rates and operating costs, which eventually reduce the effectiveness of resource recovery; thus, these limitations motivate the development of experimental technologies. Green, biopolymeric, smart lignin nanoparticles are potential candidates growing in popularity for their effective recovery of resources from wastewater via adsorption, as lignin-based nanoparticles with metal adsorption capacities higher than 40 mg/g have been reported. In addition, employing lignin nanoparticles for this purpose will promote the circular economy of biorefineries and support the sustainable development of nations. Nonetheless, the valorization of lignin through nanotechnology is limited by the inhomogeneity of technical lignins and the resultant nanoparticles. For instance, the physical (e.g., surface area and electrostatic charge) and chemical (e.g., concentration of hydroxyl and carbonyl groups) properties of the lignin precursor will determine the affinity of the resultant nanoparticles to specific metal ions and their adsorption capacity. Hence, a profound understanding of the relationship between lignin derivation and nanoparticle synthetic methodology with resultant nanoparticle properties (e.g., hydrodynamic size) and performance (i.e., adsorption capacity) is needed to advance the adoption of lignin nanoparticles in sustainable industrial wastewater treatment. Alas, reviews of this nature are lacking. To fill this gap, this perspective reflects on the state-of-the art techniques for lignin nanoparticle synthesis and their application in the retrieval of various substances from aqueous environments, highlighting the properties–performance correlations, the specificity of the nanoparticles, and their comparative performance against established and laboratory-scale technologies. Ultimately, standardized strategies will be needed to control the functionality of lignin nanoparticles (e.g., hydrodynamic size and programmable morphology) to enhance the effective recovery of valuable resources from copious and diverse wastewater resources.

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Section: Advances In Use Of Lignin Nanoparticles For Resource Recover...mentioning

confidence: 99%

Lignin Smart Nanoparticles for Effective and Eco-Friendly Resource Recovery from Wastewater: Status, Challenges, and Opportunities

Andeme Ela,

Heiden

2024

ACS Sustainable Resour. Manage.

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Insights into application of novel citric acid modified Saccharum munja biosorbent for facile removal of fuchsin basic dye, crystal violet dye and copper metal ion: statistical modelling, kinetics, thermodynamics and equilibrium studies

Sharma,

Yadav,

Yadav

et al. 2024

Biomass Conv. Bioref.

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Fixed bed column adsorption of sodium ion by zeolite synthesis from kaolin Malaysia: experiments and prediction via breakthrough curves

Harun

2022

J Aust Ceram Soc

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Lignin-based adsorbent for effective removal of toxic heavy metals from wastewater

Cited by 10 publications

References 158 publications

Lignin Smart Nanoparticles for Effective and Eco-Friendly Resource Recovery from Wastewater: Status, Challenges, and Opportunities

Lignin Smart Nanoparticles for Effective and Eco-Friendly Resource Recovery from Wastewater: Status, Challenges, and Opportunities

Insights into application of novel citric acid modified Saccharum munja biosorbent for facile removal of fuchsin basic dye, crystal violet dye and copper metal ion: statistical modelling, kinetics, thermodynamics and equilibrium studies

Fixed bed column adsorption of sodium ion by zeolite synthesis from kaolin Malaysia: experiments and prediction via breakthrough curves

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