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Review
. 2023 Apr 24;11(5):404.
doi: 10.3390/toxics11050404.

Bio-Based Adsorption as Ecofriendly Method for Wastewater Decontamination: A Review

Juliette Vievard  1   2 , Abdellah Alem  1 , Anne Pantet  1 , Nasre-Dine Ahfir  1 , Mónica Gisel Arellano-Sánchez  2 , Christine Devouge-Boyer  2 , Mélanie Mignot  2
Affiliations
Review

Bio-Based Adsorption as Ecofriendly Method for Wastewater Decontamination: A Review

Juliette Vievard et al. Toxics. .

Abstract

Intense human activities have for years contributed to the pollution of the environment by many dangerous pollutants such as heavy metals, pesticides, or polycyclic aromatic hydrocarbons. There are many conventional methods used to control pollution, with practical and/or financial drawbacks. Therefore, in recent years, an innovative, easy-to-implement and inexpensive adsorption method has been developed to recover waste and clean up water from micropollutants. Firstly, this article aims to summarize the issues related to water remediation and to understand the advantages and disadvantages of the methods classically used to purify water. In particular, this review aims to provide a recent update of the bio-based adsorbents and their use. Differently from the majority of the reviews related to wastewater treatment, in this article several classes of pollutants are considered. Then, a discussion about the adsorption process and interactions involved is provided. Finally, perspectives are suggested about the future work to be done in this field.

Keywords: adsorption; biomass; isotherm; kinetic studies; pollutant; water treatment.

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Conflict of interest statement

The authors declare that they have no known competing financial interests nor personal relationships that could have appeared to influence the work reported in this paper.

Figures

Figure 1
Figure 1
Pathways of introduction of micropollutants into the environment. Modified from Ref. [31].
Figure 2
Figure 2
Conventional methods of water treatment and examples. Modified from Ref. [52].
Figure 4
Figure 4
Summary of interactions involved in bio-based adsorption of pollutants. Modified from Ref. [89].
Figure 3
Figure 3
Summary of factors affecting pollutants adsorption on bio-based adsorbent.
See this image and copyright information in PMC

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