Comparative environmental and economic life cycle assessment of phytoremediation of dredged sediment using Arundo Donax, integrated with biomass to bioenergy valorization chain

Soleimani, Tara; Sordes, Flo; Techer, Isabelle; Junqua, Guillaume; Hayek, Mahmoud; Salgues, Marie; Souche, Jean-Claude

doi:10.1016/j.scitotenv.2023.166160

Cited by 5 publications

(1 citation statement)

References 58 publications

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“…Its cultivation will have positive effects on environmental quality, such as improvement of soil fertility and reduction in soil loss by erosion due to reducing soil erodibility and increasing vegetation cover (Eid et al, 2016). Previous research endeavors investigated the capability of A. donax for phytomanaging and phytoremediation of water sources (Soleimani et al, 2023) and contaminated soils in addition to its potential to be utilized as a plant-based feedstock (Cristaldi et al, 2020;El-Ramady et al, 2015;Lewandowski et al, 2003;Nsanganwimana et al, 2014).…”

Section: Ecosystem Services and Goodsmentioning

confidence: 99%

Arundo donax L. in Egypt: a potentially valuable economic plant

Kassem,

Ali,

Saad Zaghloul

2024

Advances in Basic and Applied Sciences

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Section: Ecosystem Services and Goodsmentioning

confidence: 99%

Arundo donax L. in Egypt: a potentially valuable economic plant

Kassem,

Ali,

Saad Zaghloul

2024

Advances in Basic and Applied Sciences

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Management of dredged marine sediments in Southern France: main keys to large-scale beneficial re-use

Dorleon,

Rigaud,

Techer

2024

Environ Sci Pollut Res

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Fifty million cubic meters of marine sediments are dredged each year in France in order to maintain harbor activities and sustain the economy of littoral territories. Because of anthropogenic activities in and around harbors, sediments can contain significant amounts of chemical and organic pollutants whose behavior during dredging must be addressed in order to avoid releasing risks for humans and the environment. French regulations come to govern the management of dredged sediments, considering them “safe” and possible to be dumped at sea or “contaminated” and needed to be treated on land as waste. In recent years, new constraints have been pushed toward the management of land. This management is, however, challenging as few channels are proposed to reuse marine sediments, and elimination appears to be economically and environmentally unsustainable. This study provides an overview of the technical and regulatory aspects related to dredged marine sediment management in France and aims to identify and discuss the limits of their valorization. Dredged sediments are mainly composed of particles with heterogeneous grain size, some being known for many applications such as building materials and growing media. However, several reasons have been put forward to explain why these particles are not reused when extracted from dredged sediments. Several technical, socio-economic, and regulatory obstacles explain the low demand for dredged sediments. This demand can be stimulated by government incentives and a good regulatory framework. National regulations could help streamline their reuse by removing their “waste” status and creating a regulated market for dredged sediment.

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