Growing food in polluted soils: A review of risks and opportunities associated with combined phytoremediation and food production (CPFP)

Haller, Henrik; Jönsson, Anders

doi:10.1016/j.chemosphere.2020.126826

Cited by 46 publications

(26 citation statements)

References 136 publications

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“…Van Der Ent et al [156] introduced the term agromining to involve technologies growing a metal accumulator plant as a crop and then harvesting the biomass and drying, ashing, and processing it to recover target HMs, such as As, Se, Cd, Cu, Co, La, Mn, Ni, Pb, Tl, and Zn. However, Haller and Jonsson [157] stated that phytoremediation is not attractive to farmers, especially for subsistence farming in economically vulnerable regions. Van der Ent et al [156] stated that a large-scale demonstration of agromining is first needed to work through operational challenges and provide evidence of profitability.…”

Section: Economic Feasibility and Other Benefits Of The Revalorizatiomentioning

confidence: 99%

“…Therefore, the combination of phytoremediation and food production is under development and in the process of technological maturity. However, it can potentially allow safe food production on polluted soil, restringing the pollutants' transfer to the food chain, while the soil pollutant pool is reduced [157].…”

Section: Economic Feasibility and Other Benefits Of The Revalorizatiomentioning

confidence: 99%

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Coupling Plant Biomass Derived from Phytoremediation of Potential Toxic-Metal-Polluted Soils to Bioenergy Production and High-Value by-Products—A Review

et al. 2021

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Phytoremediation is an attractive strategy for cleaning soils polluted with a wide spectrum of organic and inorganic toxic compounds. Among these pollutants, heavy metals have attracted global attention due to their negative effects on human health and terrestrial ecosystems. As a result of this, numerous studies have been carried out to elucidate the mechanisms involved in removal processes. These studies have employed many plant species that might be used for phytoremediation and the obtention of end bioproducts such as biofuels and biogas useful in combustion and heating. Phytotechnologies represent an attractive segment that is increasingly gaining attention worldwide due to their versatility, economic profitability, and environmental co-benefits such as erosion control and soil quality and functionality improvement. In this review, the process of valorizing biomass from phytoremediation is described; in addition, relevant experiments where polluted biomass is used as feedstock or bioenergy is produced via thermo- and biochemical conversion are analyzed. Besides, pretreatments of biomass to increase yields and treatments to control the transfer of metals to the environment are also mentioned. Finally, aspects related to the feasibility, benefits, risks, and gaps of converting toxic-metal-polluted biomass are discussed.

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Section: Economic Feasibility and Other Benefits Of The Revalorizatiomentioning

confidence: 99%

Section: Economic Feasibility and Other Benefits Of The Revalorizatiomentioning

confidence: 99%

Coupling Plant Biomass Derived from Phytoremediation of Potential Toxic-Metal-Polluted Soils to Bioenergy Production and High-Value by-Products—A Review

et al. 2021

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“…Thus, one of the big challenges is to cultivate while respecting food security and human health but there is a lack of data. To remediate to its problem, more and more works were focused on the combination of phytoremediation and food production [34]. At present, there are no large-scale studies, and most of this work reports on experiments with crop/phytoremediating plants combinations.…”

Section: Challenges and Perspectives Of Phytoremediation's Applicatiomentioning

confidence: 99%

Phytoremediation: An Ecological Solution for Decontamination of Polluted Urban Soils

Jusselme¹,

Bousserrhıne²,

Abbad-Andaloussi³

et al. 2021

Soil Contamination - Threats and Sustainable Solutions

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Urbanization and industrialization are the main causes of increasing contaminated soils in cities all around the world. This leads to numerous abandoned lands, reduction in biodiversity, and thereby posing a serious health risk for urban inhabitants. The development of effective and ecological remediation approaches is necessary. Phytoremediation is well known as an ecological solution with good acceptation for remediation of contaminated soils. Since, urban soils are particularly characterized by their highly disturbed, heterogeneous and low fertility, the application of phytoremediation to rehabilitate contaminated soils in urban areas is until now very limited at the laboratory scale and even less at the field scale. In this context, we have to take into account all these parameters and precautions when it's application. The main objective of this chapter is to discuss how to take phytoremediation approaches from a proven technology to an accepted practice in an urban context. An overview of urban soil types is provided following phytoremediation's application for urban soils with the focus on inorganic and organic pollutants, to provide a frame of reference for the subsequent discussion on better utilization of phytoremediation. At last, we offer suggestion on how to gain greater acceptance for phytoremediation by urban inhabitants.

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“…Soil contamination with metal(loid)s, termed also 'trace elements' in Biogeochemistry and Life Sciences (hereafter referred as TE) is a global environmental issue that poses serious risks for ecosystem integrity and human health (Joimel et al, 2016;Hou et al, 2017;Peŕez and Eugenio, 2018;Bagherifam et al, 2019;Haller and Jonsson, 2020). Although background and bioavailable TE levels are generally low in soils, except at geochemical anomalies with either deficiency or exceedance, anthropogenic activities such as industry, mining, smelting and metallurgy, intensive agriculture, e-wastes, traffic, use of fossil fuels, etc.…”

Section: Introductionmentioning

confidence: 99%

Phytomanagement of Metal(loid)-Contaminated Soils: Options, Efficiency and Value

Moreira

Pereira

Mench

et al. 2021

Front. Environ. Sci.

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The growing loss of soil functionality due to contamination by metal(loid)s, alone or in combination with organic pollutants, is a global environmental issue that entails major risks to ecosystems and human health. Consequently, the management and restructuring of large metal(loid)-polluted areas through sustainable nature-based solutions is currently a priority in research programs and legislation worldwide. Over the last few years, phytomanagement has emerged as a promising phytotechnology, focused on the use of plants and associated microorganisms, together with ad hoc site management practices, for an economically viable and ecologically sustainable recovery of contaminated sites. It promotes simultaneously the recovery of soil ecological functions and the decrease of pollutant linkages, while providing economic revenues, e.g. by producing non-food crops for biomass-processing technologies (biofuel and bioenergy sector, ecomaterials, biosourced-chemistry, etc.), thus contributing to the international demand for sustainable and renewable sources of energy and raw materials for the bioeconomy. Potential environmental benefits also include the provision of valuable ecosystem services such as water drainage management, soil erosion deterrence, C sequestration, regulation of nutrient cycles, xenobiotic biodegradation, and metal(loid) stabilization. Phytomanagement relies on the proper selection of (i) plants and (ii) microbial inoculants with the capacity to behave as powerful plant allies, e.g., PGPB: plant growth-promoting bacteria and AMF: arbuscular mycorrhizal fungi. This review gives an up-to-date overview of the main annual, perennial, and woody crops, as well as the most adequate cropping systems, presently used to phytomanage metal(loid)-contaminated soils, and the relevant products and ecosystems services provided by the various phytomanagement options. Suitable bioaugmentation practices with PGPB and AMF are also discussed. Furthermore, we identify the potential interest of phytomanagement for stakeholders and end-users and highlight future opportunities boosted by an effective engagement between environmental protection and economic development. We conclude by presenting the legal and regulatory framework of soil remediation and by discussing prospects for phytotechnologies applications in the future.

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Growing food in polluted soils: A review of risks and opportunities associated with combined phytoremediation and food production (CPFP)

Cited by 46 publications

References 136 publications

Coupling Plant Biomass Derived from Phytoremediation of Potential Toxic-Metal-Polluted Soils to Bioenergy Production and High-Value by-Products—A Review

Coupling Plant Biomass Derived from Phytoremediation of Potential Toxic-Metal-Polluted Soils to Bioenergy Production and High-Value by-Products—A Review

Phytoremediation: An Ecological Solution for Decontamination of Polluted Urban Soils

Phytomanagement of Metal(loid)-Contaminated Soils: Options, Efficiency and Value

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