Advances in Phytoremediation of Contaminated Environments

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Physiology and Metabolism".

Deadline for manuscript submissions: 31 May 2026 | Viewed by 923

Special Issue Editors


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Guest Editor
Department of Environmental and Biological Science, East Texas A&M University, Commerce, TX 75428, USA
Interests: phytoremediation; wastewater treatment; soil remediation; air pollution control

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Guest Editor
Civil Engineering, University of Akron, Akron, OH, USA
Interests: bioremediation; phytoremediation; harmful algal blooms; environmental engineering; engineering education

Special Issue Information

Dear Colleagues,

Human activities and industrial processes release numerous pollutants into the environment. As a cost-effective and eco-friendly technology, phytoremediation is growing in interest. Research on enhancing its efficiency and utilizing the resulting biomass is also receiving increased attention.

This Special Issue of "Advances in Phytoremediation of Contaminated Environments" in Plants will highlight research on the following topics:

  1. Application of phytoremediation for cleaning contaminated environments: Using processes like phytoextraction, phytostabilization, phytodegradation, or other phytoremediation processes can help uptake, sequester, or remove contaminants from polluted air, soil, and water.
  2. Enhancing phytoremediation efficiency: Using strategies such as applying chelators or introducing microorganisms can improve contaminant uptake, degradation, and stabilization.
  3. Utilization of phytoremediation biomass: Methods can be used to recycle or reuse harvested plant biomass (e.g., for bioenergy or biochar), transforming waste into valuable resources while preventing secondary pollution.

We invite the submission of original research and review articles addressing these themes from fundamental laboratory experiments to bench-scale investigations, pilot trials, and full-scale field implementations.

We look forward to receiving your contributions.

Dr. Lin Guo
Prof. Dr. Teresa J. Cutright
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 250 words) can be sent to the Editorial Office for assessment.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Plants is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • phytoremediation
  • environment
  • efficiency
  • byproducts

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Published Papers (1 paper)

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Research

23 pages, 4706 KB  
Article
Phytoremediation Potential of Heavy Metals Using Biochar and Accumulator Plants: A Sustainable Approach Towards Cleaner Environments
by Marcos Rosas-Ramírez, Efraín Tovar-Sánchez, Alexis Rodríguez, María Luisa Castrejón-Godínez, Hugo Albeiro Saldarriaga-Noreña, Luz Bretón-Deval and Patricia Mussali-Galante
Plants 2025, 14(22), 3470; https://doi.org/10.3390/plants14223470 - 14 Nov 2025
Viewed by 736
Abstract
Native plant species show significant promise for the remediation and rehabilitation of mine tailings contaminated with heavy metals (HM). Nonetheless, the harmful impact of HM can decrease plant survival, growth and reproduction, thereby diminishing the effectiveness of phytoremediation. Consequently, incorporating organic amendments into [...] Read more.
Native plant species show significant promise for the remediation and rehabilitation of mine tailings contaminated with heavy metals (HM). Nonetheless, the harmful impact of HM can decrease plant survival, growth and reproduction, thereby diminishing the effectiveness of phytoremediation. Consequently, incorporating organic amendments into mine tailings, like biochar, can promote plant growth, decreasing the bioavailability of HM and their eventual potential to alter the food chain. This study aims to evaluate the capability of coconut fiber biochar in combination with Sanvitalia procumbens to phytostabilize HM in mine tailings by analyzing the effect of coconut fiber biochar on HM bioaccumulation levels (roots and leaves), as well as on morphological, physiological, and genotoxic parameters of S. procumbens grown in mine tailing substrate and mine tailing/biochar. Also, a physicochemical analysis of coconut fiber biochar was conducted. This research was conducted over 100 days on plants grown in greenhouse settings using two different substrates (mine tailing and agrolite [75/25 v/v] and mine tailing and coconut fiber biochar [75/25 v/v]). Every 25 days, 12 plants were selected per treatment for analysis. The bioaccumulation pattern exhibited by S. procumbens was Zn > Pb > Cu > Cd, in root and leaf tissues for both treatments. S. procumbes grown in mine tailing/biochar substrate showed the lowest HM bioaccumulation levels in both tissues in comparison to mine tailing substrate: Zn from 2.95 to 2.50 times lower; Pb 3.04 to 2.82; Cu 3.10 to 2.12; and Zn 2.12 to 3.00 in roots and leaves, respectively. The coconut fiber biochar was rich in functional groups, such as carboxyl and hydroxyl groups, which could favor HM adsorption. Immobilization percentage of HM by coconut fiber biochar showed the following pattern: Pb (66.33%) > Zn (64.50%) > Cu (62.82%) > Cd (55.39%). Incorporating coconut fiber biochar as an amendment improves HM phytostabilization efficiency by reducing their bioaccumulation, increasing biomass production and chlorophyll concentration, and reducing genetic damage levels. This strategy represents a sustainable approach towards reducing the ecological risk of HM biomagnification, alleviating the adverse effects of HM exposure on ecosystem health. Full article
(This article belongs to the Special Issue Advances in Phytoremediation of Contaminated Environments)
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