Lignocellulose-based materials and their application in the removal of dyes from water: A review

Roa, Karina; Oyarce, Estefanía; Boulett, Andrés; ALSamman, Mohammad T.; Oyarzún, Diego P.; Pizarro, Guadalupe del C.; Sánchez, Julio

doi:10.1016/j.susmat.2021.e00320

Cited by 43 publications

(28 citation statements)

References 155 publications

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“…Therefore, new alternative treatments have been considered for effective dye removal. One of the treatments that has been shown to be promising in water decontamination is adsorption [ 14 ]. Specifically, a key parameter for the adsorption of dyes is the choice of the adsorbent [ 15 ], which can be diverse, ranging from metal oxides and nitrites to zeolites, clays, polymers and biobased polymers [ 16 , 17 , 18 , 19 , 20 ].…”

Section: Introductionmentioning

confidence: 99%

Cellulose Nanofiber-Based Aerogels from Wheat Straw: Influence of Surface Load and Lignin Content on Their Properties and Dye Removal Capacity

et al. 2022

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Water pollution is one of the most serious problems worldwide. Nanocellulose-based aerogels usually show excellent adsorption capacities due to their high aspect ratio, specific surface area and surface charge, making them ideal for water purification. In this work, (ligno)cellulose nanofibers (LCNFs/CNFs) from wheat straw residues were obtained using two types of pre-treatments: mechanical (Mec) and TEMPO-mediated oxidization (TO), to obtain different consistency (0.2, 0.4, 0.6 and 0.8) bioaerogels, and their adsorption capacities as dye removers were further studied. The materials were characterized in terms of density, porosity and mechanical properties. An inversely proportional relationship was observed between the consistencies of the aerogels and their achieved densities. Despite the increase in density, all samples showed porosities above 99%. In terms of mechanical properties, the best results were obtained for the 0.8% consistency LCNF and CNF-Mec aerogels, reaching 67.87 kPa and 64.6 kPa for tensile strength and Young’s modulus, respectively. In contrast, the adsorption capacity of the aerogels was better for TEMPO-oxidized aerogels, reaching removal rates of almost 100% for the CNF-TO5 samples. Furthermore, the residual lignin content in LCNF-Mec aerogels showed a great improvement in the removal capacity, reaching rates higher than 80%, further improving the cost efficiency of the samples due to the reduction in chemical treatments.

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Section: Introductionmentioning

confidence: 99%

Cellulose Nanofiber-Based Aerogels from Wheat Straw: Influence of Surface Load and Lignin Content on Their Properties and Dye Removal Capacity

et al. 2022

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“…Biomass-based adsorbent materials have increasingly received great attention in water purification industry over the past years because this type of adsorbents are nontoxic and biodegradable unlike conventional petroleum-based adsorbent ones which are harmful to ecological environment and human health due to their extreme difficulty to be degraded and accumulation in natural environment along with microplastic derived from petroleum-based product wastes (Patel et al 2018, Law et al 2014, Rilliing et al 2012, Roa et al 2021. Studies have shown that lignocellulosic porous materials prepared from natural biomass corncob and willow wood can remove dye methylene blue and oil from water (Xu et al 2018).…”

Section: Introductionmentioning

confidence: 99%

Magnetic hydroxyethyl cellulose spheres with efficient congo red removal

Hui

Liu²,

Li³

et al. 2023

J Porous Mater

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Ecofriendly adsorbent materials for the rapid and efficient removal of pollutant dyes are highly desired on account of concerns about environmental pollution and human health. Herein, novel magnetic HC/Fe3O4 spherical materials have been constructed via crosslinking hydroxyethyl cellulose (HC) by poly(ethylene glycol) diglycidyl ether (PGDE) followed by the introduce of magnetic Fe3O4 by a facile and effective strategy developed in this work. The morphology, structure and magnetic behavior of the spherical materials have been systematically investigated using scanning electron microscopy (SEM), X-ray diffraction (XRD), Fourier transform infrared (FT-IR) and vibrating sample magnetometer (VSM) techniques. Further, the spherical materials were utilized to remove congo red (CR-SO3Na) from aqueous solution under varying adsorption conditions. Meanwhile, the adsorption kinetics, thermodynamics and isothermics have been achieved to explore the adsorption process and possible adsorption mechanism of CR-SO3Na by the spherical materials. The materials show not only an efficient capacity of CR-SO3Na removal from aqueous solution, but also a sufficient magnetic property of the recovery of the materials from aqueous solution after adsorption. The spherical materials have great potential to be used as efficient adsorbents for the removal of dye-containing effluent.

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“…The main features of a good adsorbent material are: environmental compatibility, a high number of adsorption sites, good dispersion in water, large surface area, chemical durability, good shape consistency, size controllability and affordability. Furthermore, the design of the adsorbent material must comply with the principles of eco-sustainability [ 13 , 14 ]. In this scenario, plant-derived polyphenols are attracting increasing attention due to their broad chemical versatility, metal chelating and antimicrobial properties [ 15 ].…”

Section: Introductionmentioning

confidence: 99%

Silica Meets Tannic Acid: Designing Green Nanoplatforms for Environment Preservation

et al. 2022

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Hybrid tannic acid-silica-based porous nanoparticles, TA-SiO2 NPs, have been synthesized under mild conditions in the presence of green and renewable tannic acid biopolymer, a glycoside polymer of gallic acid present in a large part of plants. Tannic acid (TA) was exploited as both a structuring directing agent and green chelating site for heavy metal ions recovery from aqueous solutions. Particles morphologies and porosity were easily tuned by varying the TA initial amount. The sample produced with the largest TA amount showed a specific surface area an order of magnitude larger than silica nanoparticles. The adsorption performance was investigated by using TA-5SiO2 NPs as adsorbents for copper (II) ions from an aqueous solution. The effects of the initial Cu2+ ions concentration and the pH values on the adsorption capability were also investigated. The resulting TA-SiO2 NPs exhibited a different adsorption behaviour towards Cu2+, which was demonstrated through different tests. The largest adsorption (i.e., ~50 wt% of the initial Cu2+ amount) was obtained with the more porous nanoplatforms bearing a higher final TA content. The TA-nanoplatforms, stable in pH value around neutral conditions, can be easily produced and their use would well comply with a green strategy to reduce wastewater pollution.

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Lignocellulose-based materials and their application in the removal of dyes from water: A review

Cited by 43 publications

References 155 publications

Cellulose Nanofiber-Based Aerogels from Wheat Straw: Influence of Surface Load and Lignin Content on Their Properties and Dye Removal Capacity

Cellulose Nanofiber-Based Aerogels from Wheat Straw: Influence of Surface Load and Lignin Content on Their Properties and Dye Removal Capacity

Magnetic hydroxyethyl cellulose spheres with efficient congo red removal

Silica Meets Tannic Acid: Designing Green Nanoplatforms for Environment Preservation

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