Removal of heavy metals by leaves-derived biosorbents

Anastopoulos, Ioannis; Robalds, Artis; Tran, Hai Nguyen; Mitrogiannis, Dimitris; Giannakoudakis, Dimitrios A.; Hosseini-Bandegharaei, Ahmad; Dotto, Guilherme L.

doi:10.1007/s10311-018-00829-x

Cited by 67 publications

(18 citation statements)

References 78 publications

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“…There is only a recent review work available summarizing the published literature on the use of leaf-based adsorbents for heavy metals adsorption [34]. However, to the best of authors' knowledge, no other review is yet available discussing the application of leaf derived materials for the removal of dyes.…”

Section: Introductionmentioning

confidence: 99%

The utilization of leaf-based adsorbents for dyes removal: A review

Bulgariu

Escudero

Bello

et al. 2019

Journal of Molecular Liquids

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396

128

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The presence of organic dyes in the aquatic environment is a serious global problem because of the serious negative consequences on the quality of ecosystems. Among various physico-chemical methods, the adsorption could be considered a promising alternative for removing dyes from aqueous media, due to its efficiency, high selectivity, low cost, ease of operation, simplicity, and availability in a wide range of experimental conditions. However, all these advantages are closely related to the nature of adsorbent material used in the adsorption processes of dyes. The adsorbent materials available in large quantities requiring a simple preparation will enhance the benefits of the adsorption processes, in agreement with the concepts of green chemistry. This review is focused on the use of leaf-based materials, in raw or modified forms, as adsorbents for the removal of dyes from aqueous effluents, with applications in the wastewater treatment. This review addresses characterization of leaf-based adsorbents, possible utilization of leaf-based adsorbents (raw and activated forms) for dye removal and possible applications in pilot and full scale systems. Also, thermodynamics, equilibrium and kinetic parameters of dye adsorption on leaf-based adsorbents are discussed. The practical utility of leaf-based adsorbents for dye removal, and their possible uses in the treatment of industrial wastewater are copiously highlighted.

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Section: Introductionmentioning

confidence: 99%

The utilization of leaf-based adsorbents for dyes removal: A review

Bulgariu

Escudero

Bello

et al. 2019

Journal of Molecular Liquids

Self Cite

396

128

View full text Add to dashboard Cite

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“…A popular technique is adsorption by biomaterials also known as biosorption [3]. A plethora of biological materials have been studied over the years and these includes fish scales [4,5], plant leaves [6,7], tree barks [8], agricultural wastes [9], egg shells [10,11], fruit pods, fruit shells [12] and a host of others. Plant leaves have had a wave of research papers (in biosorption studies) in recent times due to their low cost and availability all year round.…”

Section: Introductionmentioning

confidence: 99%

A mini-review of the morphological properties of biosorbents derived from plant leaves

Ighalo

Adeniyi

2020

SN Appl. Sci.

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A key feature of biosorption studies is the utilisation of different analytical techniques to evaluate several aspects of the process. Scanning electron microscopy (SEM) is used to study the morphology features of biosorbents. In this mini-review, research efforts by scientists in evaluating the morphological properties of plant leaves biosorbents was discussed. The way in which results have been interpreted and what inferences have been deduced was also discussed. Biosorbents obtained from plant leaves generally possess heterogeneous and irregular surface containing a variety of cavities, holes, voids, cracks, interstices and convolutions. NaOH pre-treatment (also known as mercerisation) helps to remove lignin and oil from the biomass as well as increasing the roughness of the base cellulose. Smoother surfaces with fewer features are observed after sorption of some chemical species (be it pollutants or a modification agent). It was observed that impregnation with nanoparticles usually leads to nanoparticle macro-clusters observable at high resolutions while any previously observed cavities, holes, ruptures and voids tends to disappear. Carbonisation and calcination gives a more porous adsorbent. Chemical modification despite reducing the total surface area of the adsorbent can actually increase the adsorption capacity due to adjustments in functional groups, effects on the solution chemistry and the improvement of the inherent affinity of the biosorbent due to the modification. SEM analysis is even more important in recent times where the functionalisation of adsorbents and biosorbents is a common practice.

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“…Os principais métodos para remoção de contaminantes das fases gasosa e aquosa são: tratamento biológico, floculação, separação por membrana, precipitação química e adsorção com carbono. Entre esses processos, a adsorção com carbono mostra-se muito eficaz na remoção de variados poluentes, no entanto o elevado custo desse método em larga escala levou a pesquisas com materiais adsorventes alternativos (ANASTOPOULOS et al, 2019;DAI et al, 2018;GEREMIAS et al, 2012). de pesquisas foi desenvolvido aproveitando os resíduos lignocelulósicos da bananicultura como biomassa adsorvente para o tratamento de poluentes (AKBAR et al, 2019;BELLO et al, 2018;DAI et al, 2018;JAIN;MALIK;YADAV, 2016;MAHMOOD-UL-HASSAN et al, 2015;NGU-YEN et al, 2013;SINGH et al, 2018).…”

Section: Materiais Adsorventesunclassified

“…Efluentes da indústria têxtil e de impressão contendo grande quantidade de azul de metileno foram tratados com resíduos da bananicultura, sendo estes eficazes na remoção do poluente das águas (HAMEED;MAHMOUD;AHMAD, 2008;RAFATULLAH et al, 2010). No trata-mento de águas contaminadas com metais pesados, como chumbo, níquel, zinco e crômio, os resíduos agrícolas do cultivo de banana apresentaram capacidades iguais ou até maiores de adsorção em comparação com os adsorventes convencionais (ANASTOPOULOS et al, 2019;BELLO et al, 2018;MYLAPILLI;REDDY, 2019;LIU et al, 2019;NGUYEN et al, 2013). Na remoção do carbofurano (um dos pesticidas carbamatos mais tóxicos existentes) de águas contaminadas, a utilização do pseudocaule da bananeira combinado com carvão ativado mostrou-se como uma eficiente opção (AHMAD; DANISH, 2018).…”

Section: Materiais Adsorventesunclassified

Potenciais alternativas para reutilização dos resíduos da bananicultura: uma revisão sistemática

Pereira

Magnago

2020

Rev. Bras. Ciênc. Ambient. (Online)

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A banana é a segunda fruta mais consumida no mundo. Seu cultivoproduz grandes quantidades de resíduos lignocelulósicos, descartadosmajoritariamente de maneira inadequada. Muitas vezes esses resíduos sãopotenciais meios de proliferação de vetores, além de contribuir, mediantedecomposição, para a geração de gases que ocasionam o efeito estufa.Assim, buscou-se identificar, por meio de uma pesquisa sistemática em basesde dados (Periódicos Capes, Science Direct e Springer Link), alternativas paraa reutilização e consequente valorização desses resíduos. Propôs-se realizaruma análise temporal quantitativa e qualitativa dos artigos selecionados,identificando o número de publicações por ano e os periódicos em queforam publicados. Identificou-se crescente número de artigos publicados naúltima década, na maioria em periódicos de alto impacto (índice SCImago).Dessa forma, constatou-se que a produção de compósitos, biocombustíveise compostos adsorventes são as principais alternativas para se atribuirmaior valor agregado aos resíduos da bananicultura e, consequentemente,promover seu reaproveitamento.

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Removal of heavy metals by leaves-derived biosorbents

Cited by 67 publications

References 78 publications

The utilization of leaf-based adsorbents for dyes removal: A review

The utilization of leaf-based adsorbents for dyes removal: A review

A mini-review of the morphological properties of biosorbents derived from plant leaves

Potenciais alternativas para reutilização dos resíduos da bananicultura: uma revisão sistemática

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