Algae, biochar and bacteria for acid mine drainage (AMD) remediation: A review

Tianhao Du; Anna Bogush; Ondřej Mašek; Saul Purton; Luiza C. Campos

doi:10.1016/j.chemosphere.2022.135284

Algae, biochar and bacteria for acid mine drainage (AMD) remediation: A review

Tianhao Du, Anna Bogush, Ondřej Mašek, Saul Purton, Luiza C. Campos

Centre for Agroecology, Water and Resilience

Research output: Contribution to journal › Review article › peer-review

5 Citations (Scopus)

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Abstract

Acid mine drainage (AMD) is a global issue and causes harmful environmental impacts. AMD has high acidity and contains a high concentration of heavy metals and metalloids, making it toxic to plants, animals, and humans. Traditional treatments for AMD have been widely used for a long time. Nevertheless, some limitations, such as low efficacy and secondary contamination, have led them to be replaced by other methods such as bio-based AMD treatments. This study reviewed three bio-based treatment methods using algae, biochar, and bacteria that can be used separately and potentially in combination for effective and sustainable AMD treatment to identify the removal mechanisms and essential parameters affecting AMD treatment. All bio-based methods, when applied as a single process and in combination (e.g. algae-biochar and algae-bacteria), were identified as effective treatments for AMD. Also, all these bio-based methods were found to be affected by some parameters (e.g. pH, temperature, biomass concentration and initial metal concentration) when removing heavy metals from AMD. However, we did not identify any research focusing on the combination of algae-biochar-bacteria as a consortium for AMD treatment. Therefore, due to the excellent performance in AMD treatment of algae, biochar and bacteria and the potential synergism among them, this review provides new insight and discusses the feasibility of a combination of algae-biochar-bacteria for AMD treatment.

Original language	English
Article number	135284
Number of pages	18
Journal	Chemosphere
Volume	304
Early online date	9 Jun 2022
DOIs	https://doi.org/10.1016/j.chemosphere.2022.135284
Publication status	Published - Oct 2022

Bibliographical note

Published by Elsevier Ltd. This is This is an Open Access article distributed under the terms of the Creative Commons Attribution License under the CC BY license (http://creativecommons.org/licenses/by/4.0/),
which permits unrestricted use, distribution, and reproduction in any medium,
provided the original work is properly cited..

Keywords

Acid mine drainage
Bioremediation
Heavy metal
Sulfate reducing bacteria
Treatment

ASJC Scopus subject areas

Environmental Engineering
Environmental Chemistry
Chemistry(all)
Pollution
Public Health, Environmental and Occupational Health
Health, Toxicology and Mutagenesis

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1016/j.chemosphere.2022.135284Licence: CC BY

PublishedFinal published version, 4.71 MBLicence: CC BY

Cite this

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title = "Algae, biochar and bacteria for acid mine drainage (AMD) remediation: A review",

abstract = "Acid mine drainage (AMD) is a global issue and causes harmful environmental impacts. AMD has high acidity and contains a high concentration of heavy metals and metalloids, making it toxic to plants, animals, and humans. Traditional treatments for AMD have been widely used for a long time. Nevertheless, some limitations, such as low efficacy and secondary contamination, have led them to be replaced by other methods such as bio-based AMD treatments. This study reviewed three bio-based treatment methods using algae, biochar, and bacteria that can be used separately and potentially in combination for effective and sustainable AMD treatment to identify the removal mechanisms and essential parameters affecting AMD treatment. All bio-based methods, when applied as a single process and in combination (e.g. algae-biochar and algae-bacteria), were identified as effective treatments for AMD. Also, all these bio-based methods were found to be affected by some parameters (e.g. pH, temperature, biomass concentration and initial metal concentration) when removing heavy metals from AMD. However, we did not identify any research focusing on the combination of algae-biochar-bacteria as a consortium for AMD treatment. Therefore, due to the excellent performance in AMD treatment of algae, biochar and bacteria and the potential synergism among them, this review provides new insight and discusses the feasibility of a combination of algae-biochar-bacteria for AMD treatment.",

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note = "Published by Elsevier Ltd. This is This is an Open Access article distributed under the terms of the Creative Commons Attribution License under the CC BY license (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.. ",

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AU - Du, Tianhao

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AU - Purton, Saul

AU - Campos, Luiza C.

N1 - Published by Elsevier Ltd. This is This is an Open Access article distributed under the terms of the Creative Commons Attribution License under the CC BY license (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited..

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AB - Acid mine drainage (AMD) is a global issue and causes harmful environmental impacts. AMD has high acidity and contains a high concentration of heavy metals and metalloids, making it toxic to plants, animals, and humans. Traditional treatments for AMD have been widely used for a long time. Nevertheless, some limitations, such as low efficacy and secondary contamination, have led them to be replaced by other methods such as bio-based AMD treatments. This study reviewed three bio-based treatment methods using algae, biochar, and bacteria that can be used separately and potentially in combination for effective and sustainable AMD treatment to identify the removal mechanisms and essential parameters affecting AMD treatment. All bio-based methods, when applied as a single process and in combination (e.g. algae-biochar and algae-bacteria), were identified as effective treatments for AMD. Also, all these bio-based methods were found to be affected by some parameters (e.g. pH, temperature, biomass concentration and initial metal concentration) when removing heavy metals from AMD. However, we did not identify any research focusing on the combination of algae-biochar-bacteria as a consortium for AMD treatment. Therefore, due to the excellent performance in AMD treatment of algae, biochar and bacteria and the potential synergism among them, this review provides new insight and discusses the feasibility of a combination of algae-biochar-bacteria for AMD treatment.

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KW - Sulfate reducing bacteria

KW - Treatment

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Algae, biochar and bacteria for acid mine drainage (AMD) remediation: A review

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

UN SDGs

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